Skip to content

Municipality

Masiu

Masiu is a municipality in Lanao del Sur, Bangsamoro (BARMM), Philippines. Its population was 36,803 in the 2024 census, and it has 35 barangays.

  • Population: 2024 Census
  • Places: PSGC 2Q 2026
  • Checked by Scene: October 8, 2026
  • Page updated: October 9, 2026
Colour byColours the map of Masiu by the figure chosen; the key beside it says what each colour means.
ButigLumba-BayabaoLumbayanaguePoona BayabaoAbdullah Buisan: 841 people, 3,222 per km², 1.54% a yearCaramian Alim Raya: 594 people, 961 per km², 2.31% a yearAlip Lalabuan: 930 people, 2,650 per km², 2.09% a yearAlumpang Paino Mimbalay: 678 people, 5,339 per km², 2.41% a yearMai Ditimbang Balindong: 820 people, 1,451 per km², 2.83% a yearMai Sindaoloan Dansalan: 770 people, 2,444 per km², 2.31% a yearLakadun: 2,145 people, 227 per km², 2.29% a yearMaranat Bontalis: 585 people, 117 per km², 3.15% a yearDalog Balut: 1,100 people, 2,056 per km², 4.30% a yearGindolongan Alabat: 660 people, 4,853 per km², 1.12% a yearGondarangin Asa Adigao: 1,081 people, 2,544 per km², 2.51% a yearSawir: 1,735 people, 55 per km², 2.32% a yearMoriatao-Bai Labay: 1,062 people, 3,404 per km², 1.40% a yearLaila Lumbac Bacon: 1,280 people, 3,351 per km², 2.33% a yearLanco Dimapatoy: 765 people, 2,844 per km², 2.65% a yearTalub Langi: 1,790 people, 3,278 per km², 1.19% a yearLomigis Sucod: 805 people, 5,000 per km², 2.34% a yearMacabangan Imbala: 917 people, 4,540 per km², 2.33% a yearMacadaag Talaguian: 1,201 people, 671 per km², 3.44% a yearMacalupang Lumbac Caramian: 790 people, 3,405 per km², 1.81% a yearMagayo Bagoaingud: 855 people, 3,767 per km², 2.19% a yearMacompara Apa Mimbalay: 1,075 people, 1,706 per km², 2.34% a yearManalocon Talub: 1,060 people, 1,761 per km², 2.48% a yearPutad Marandang Buisan: 834 people, 4,964 per km², 1.96% a yearMatao Araza: 805 people, 2,896 per km², 2.88% a yearMocamad Tangul: 706 people, 4,011 per km², 2.23% a yearPantao: 2,515 people, 1,479 per km², 1.79% a yearSambowang Atawa: 850 people, 2,760 per km², 1.34% a yearTamboro Cormatan: 975 people, 1,222 per km², 1.14% a yearTowanao Arangga: 1,003 people, 5,335 per km², 2.20% a yearTomambiling Lumbaca Ingud: 851 people, 1,630 per km², 2.33% a yearUnda Dayawan: 854 people, 2,755 per km², 2.29% a yearBuadi Amloy: 2,334 people, 5,665 per km², 2.17% a yearKalilangan: 779 people, 2,176 per km², 1.81% a yearLumbaca Ingud: 758 people, 2,422 per km², 3.64% a year

People · 2024 Census

  • Under 690
  • 690 to 1,100
  • 1,100 to 1,800
  • 1,800 to 3,100
  • 3,100 and over

The same steps colour every map of barangays in the Atlas, so a colour means the same range everywhere.

Density · people per km², 2024

  • Under 160
  • 160 to 340
  • 340 to 700
  • 700 to 2,600
  • 2,600 and over

The same steps colour every map of barangays in the Atlas, so a colour means the same range everywhere.

Growth a year · 2020–2024

  • Fell by more than 1% a year
  • Fell, by up to 1% a year
  • Grew, by under 1% a year
  • Grew by 1 to 2% a year
  • Grew by 2% a year or more

Each place's yearly change between the 2020 and 2024 censuses, on the same steps as every map in the Atlas.

Borders from UN OCHA (PSA and NAMRIA), a guide and not the legal boundary[3]Open in OpenStreetMap

  • PeopleSources

    36,803

    people counted in the 2024 censusCensusA count of every person in the country, all on one day. The 2024 census counted people as they were on 1 July 2024.More in the glossary

    Up 46.2% from 2010 to 2024

  • Rank by peopleSources

    10th

    of the 40 cities and municipalities of Lanao del Sur by population, 2024Rank and shareWorked out by Scene from the PSA's counts: where a place stands among the places listed with it, and how many of every 100 of its parent's people live in it.More in the glossary

    About 3 of every 100 people in Lanao del Sur lived in Masiu in 2024 (2.69%)

  • Inside itSources

    35

    barangays

  • LandSources

    35.59 km²

    of land, 2019 masterlistLand areaThe land inside the place's official boundary. A square kilometre is a square 1 km on each side, about the size of 140 football fields.Explained by Scene: Masiu's land would fill a square about 6.0 km on each side. That is only a way to picture its size: its real shape is on the map.More in the glossary

    Average density, 2024: 1,034 people per km²Population densityHow crowded a place is on average: its people divided by its land area. 1,000 people per square kilometre is 10 people per hectare, a square of 100 by 100 metres.Explained by Scene: About 10 people per hectare if everyone were spread evenly across the land. In fact people live closer together in towns and farther apart in the countryside.More in the glossary

  • HomesSources

    6,694

    households in 2024HouseholdA person living alone, or people who sleep in the same home and share their meals. A family may be one household or several.More in the glossary

    5.5 people in each, on average, in 2024

  • Town or countrySources

    0%

    Fewer than 1 of every 1,000 people lived in urban barangays in 2024Urban barangayThe PSA counts a barangay as urban when it has 5,000 people or more, or a big employer, or several businesses and public services close by. Every barangay in Metro Manila is urban.More in the glossary

PSGC codePSGC codeThe code the Philippine Statistics Authority gives every place, so each one is known exactly, even when two share a name.More in the glossary
1903618000[4]Formerly 153618000
ZIP code
9706[17]

People

Masiu had 36,803 people in the 2024 census, up 46.2% from 2010.
People at each census since 1960

Counts from 2000 on are on today’s borders; earlier counts are as the place was then, so the line may step where a border moved.

Masiu had the 10th most people of the 40 cities and municipalities of Lanao del Sur in 2024[1]
  1. 7Balindong40,047
  2. 8Maguing37,292
  3. 9Tamparan37,190
  4. 10Masiu36,803
  5. 11Ganassi33,897
  6. 12Marogong33,595
  7. 13Poona Bayabao33,307
All 40 cities and municipalities of Lanao del Sur
In 2024, the 10 barangays with the most people held about 44 of every 100 of its people[2]
  1. Pantao2,5157 in 100
  2. Buadi Amloy2,3346 in 100
  3. Lakadun2,1456 in 100
  4. Talub Langi1,7905 in 100
  5. Sawir1,7355 in 100
  6. Laila Lumbac Bacon1,2803 in 100
  7. Macadaag Talaguian1,2013 in 100
  8. Dalog Balut1,1003 in 100
  9. Gondarangin Asa Adigao1,0813 in 100
  10. Macompara Apa Mimbalay1,0753 in 100
See all 35 barangays of Masiu
Age structure · 2020 Census[35]People living in households, by age and sex
  • About 43 of every 100 are children under 15 (43.1%)
  • About 55 of every 100 are of working age, 15 to 64 (54.8%)
  • About 2 of every 100 are 65 or older (2.1%)
MenWomen

The figures by age

People by age group, men and women
AgePeopleMenWomen
0 - 45,3912,7122,679
5 - 94,6992,3322,367
10 - 144,3762,1502,226
15 - 193,5381,7451,793
20 - 243,7571,8051,952
25 - 293,1061,4521,654
30 - 342,0979991,098
35 - 391,589743846
40 - 441,451705746
45 - 491,173577596
50 - 54728343385
55 - 59546288258
60 - 64417199218
65 - 69338152186
70 - 741809783
75 - 791035350
80 years and over913754

Every figure, census by census

People, 2024 CensusCensusA count of every person in the country, all on one day. The 2024 census counted people as they were on 1 July 2024.More in the glossary
36,803[1, 2]
Households, 2024HouseholdA person living alone, or people who sleep in the same home and share their meals. A family may be one household or several.More in the glossary
6,694[1, 2]
People in each household, 2024
5.5 on average[1, 2]
Share of Lanao del Sur, 2024Rank and shareWorked out by Scene from the PSA's counts: where a place stands among the places listed with it, and how many of every 100 of its parent's people live in it.More in the glossary
2.69%[1]
In urban barangays, 2024Urban barangayThe PSA counts a barangay as urban when it has 5,000 people or more, or a big employer, or several businesses and public services close by. Every barangay in Metro Manila is urban.More in the glossary
0% (0 people)[5]
Men and women, 2020
16,389 men, 17,191 women[35]People living in households
Population at each census, with its source
CensusPopulationGrowth since the census beforeHouseholdsPeople per household
2024as of July 1, 202436,803[1, 2]2.22% a year6,6945.5
2020as of May 1, 202033,580[1]3.00% a year——
2015as of August 1, 201529,176[1]2.84% a year——
2010as of May 1, 201025,181[1]———
2007as of August 1, 2007; as it was then30,196[33]3.15% a year——
2000as of May 1, 2000; on today’s borders24,105[33, 34]4.03% a year——
1995as of September 1, 1995; as it was then20,042[33]3.10% a year——
1990as of May 1, 1990; as it was then17,030[33]3.13% a year——
1980as of May 1, 1980; as it was then12,512[33]−4.14% a year——
1975as of May 1, 1975; as it was then15,462[33]4.27% a year——
1970as of May 6, 1970; as it was then12,550[33]3.41% a year——
1960as of February 15, 1960; as it was then8,903[33]———

Barangays

Masiu is made up of 35 barangays.
Barangays of Masiu. Each column heading sorts the table.
[2, 3, 5, 6, 7]Share (2024)Urban or rural
Abdullah Buisan8412.29%1.54% a yearabout 0.261 km²Rural
Alip Lalabuan9302.53%2.09% a yearabout 0.351 km²Rural
Alumpang Paino Mimbalay6781.84%2.41% a yearabout 0.127 km²Rural
Buadi Amloy2,3346.34%2.17% a yearabout 0.412 km²Rural
Caramian Alim Raya5941.61%2.31% a yearabout 0.618 km²Rural
Dalog Balut1,1002.99%4.30% a yearabout 0.535 km²Rural
Gindolongan Alabat6601.79%1.12% a yearabout 0.136 km²Rural
Gondarangin Asa Adigao1,0812.94%2.51% a yearabout 0.425 km²Rural
Kalilangan7792.12%1.81% a yearabout 0.358 km²Rural
Laila Lumbac Bacon1,2803.48%2.33% a yearabout 0.382 km²Rural
Lakadun2,1455.83%2.29% a yearabout 9.45 km²Rural
Lanco Dimapatoy7652.08%2.65% a yearabout 0.269 km²Rural
Lomigis Sucod8052.19%2.34% a yearabout 0.161 km²Rural
Lumbaca Ingud7582.06%3.64% a yearabout 0.313 km²Rural
Macabangan Imbala9172.49%2.33% a yearabout 0.202 km²Rural
Macadaag Talaguian1,2013.26%3.44% a yearabout 1.79 km²Rural
Macalupang Lumbac Caramian7902.15%1.81% a yearabout 0.232 km²Rural
Macompara Apa Mimbalay1,0752.92%2.34% a yearabout 0.63 km²Rural
Magayo Bagoaingud8552.32%2.19% a yearabout 0.227 km²Rural
Mai Ditimbang Balindong8202.23%2.83% a yearabout 0.565 km²Rural
Mai Sindaoloan Dansalan7702.09%2.31% a yearabout 0.315 km²Rural
Manalocon Talub1,0602.88%2.48% a yearabout 0.602 km²Rural
Maranat Bontalis5851.59%3.15% a yearabout 5.00 km²Rural
Matao Araza8052.19%2.88% a yearabout 0.278 km²Rural
Mocamad Tangul7061.92%2.23% a yearabout 0.176 km²Rural
Moriatao-Bai Labay1,0622.89%1.40% a yearabout 0.312 km²Rural
Pantao2,5156.83%1.79% a yearabout 1.70 km²Rural
Putad Marandang Buisan8342.27%1.96% a yearabout 0.168 km²Rural
Sambowang Atawa8502.31%1.34% a yearabout 0.308 km²Rural
Sawir1,7354.71%2.32% a yearabout 31.44 km²Rural
Talub Langi1,7904.86%1.19% a yearabout 0.546 km²Rural
Tamboro Cormatan9752.65%1.14% a yearabout 0.798 km²Rural
Tomambiling Lumbaca Ingud8512.31%2.33% a yearabout 0.522 km²Rural
Towanao Arangga1,0032.73%2.20% a yearabout 0.188 km²Rural
Unda Dayawan8542.32%2.29% a yearabout 0.31 km²Rural

Areas are approximate: each is measured inside the barangay's border on UN OCHA's map, which is a guide, not the legal boundary.

Land & Environment

Masiu covers 35.59 km² of land, 1,034 people for every km² in 2024. Its land rises to 1,448 m above the sea and it lies inland.
Land areaLand areaThe land inside the place's official boundary. A square kilometre is a square 1 km on each side, about the size of 140 football fields.More in the glossary
35.59 km²[6]As listed in the 2019 Masterlist of Land Areas (LMB, DENR)
Average density, 2024Population densityHow crowded a place is on average: its people divided by its land area. 1,000 people per square kilometre is 10 people per hectare, a square of 100 by 100 metres.More in the glossary
1,034 people per km²[6]
Coordinates
7.78903° N, 124.38361° E[3]The point inside its border farthest from every edge, so it always falls within the place.
Height above the sea[30]
Lowest
700 m
Average
979 m
Highest
1,448 m

Heights from the Copernicus DEM, a 30 m model of the surface: it reads the tops of trees and roofs, not the bare ground, over the land inside the border, the sea left out. Produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved.

Water, coast and peaks

No coastline: it lies inland.

Rivers[31]

  1. Masiu River11.4 of 14.1 km

Peaks[31]

  1. Gatong Mountain827 m

Named rivers, lakes and peaks as OpenStreetMap mapped them on 30 September 2026, and the coast within 150 m of the border. Map data © OpenStreetMap contributors, under the Open Database License.

Climate

Climate typeClimate typePAGASA sorts the country's climate into four types by when the rain falls. Type I has a dry season from November to April and a wet one for the rest of the year; Type II has no dry season, with the most rain from December to February; Type III has a short dry season; Type IV has rain spread through the year.More in the glossary

Type III[32]

No clear rainiest time of year, and a short dry season of one to three months, in December to February or in March to May.

Read by Scene off PAGASA's climate map, so approximate: the type that covers most of the place's land.

Life & Economy

About 18 of every 100 people lived below the poverty line in 2021.
Poverty, 2021Poverty incidenceHow many of every 100 people live in families whose income is below the poverty line: what a person needs in a year for food and other basic needs, as the PSA sets it for each province. It is an estimate, from a survey or, for a town, a statistical model, so the PSA gives a range it is likely to fall in.More in the glossary
18.4% of people[20]Below the poverty line, by the PSA's estimate for every town.
Income classIncome classThe Department of Finance sorts provinces, cities and municipalities into classes by their average yearly income over recent years: 1st class has the most. It measures the local government's income, not how well off its people are.More in the glossary
3rd class[4]
About 18 of every 100 people in Masiu lived below the poverty line in 2021 (18.4%)[20]

The PSA's model for every town puts it between 11.5% and 25.4%, with 90% confidence.

The PSA says caution must be observed in using this estimate: read it as a rough guide only.

Public places

  • 3government offices
  • 1hospital or health centre
  • 17schools
  • 1place of worship
  • 1market

Counted from OpenStreetMap[3, 8]. Schools, places of worship, barangay halls and places known only by a common name, such as a chapel, are listed on each barangay's page.

As OpenStreetMap maps them on September 30, 2026. Map data © OpenStreetMap contributors, under the Open Database License.

Government & Leaders

A mayor leads Masiu. Its local laws, called ordinances, are passed by the Sangguniang Bayan (the municipal council), led by the vice mayor. The mayor, the vice mayor and the council's elected members serve three-year terms, and none may serve more than three in a row.[15, 16]

Legislative districtLegislative districtThe area that elects one member of the House of Representatives. A big province or city may have several.More in the glossary
1st district of Lanao del Sur[18, 19]

Leaders

The mayor and vice mayor elected at each election since 2001, as COMELEC's lists of the elected name them, and those in office now, as the DILG's directory lists them.

  1. 2025–2028In office as of February 2026

    Mayor
    Romil Mitmug Guiling[21]
    Vice mayor
    Jadid Repors Mimbantas[21]

  2. 2022–2025

    Mayor
    Nasser Pacasum Pangandaman Jr.[22]
    Vice mayor
    Jamimah Casad Solaiman[22]

  3. 2019–2022

    Mayor
    Nasser Pacasum Pangandaman Jr.[23]
    Vice mayor
    Mocsen Sharief Magandia[23]

  4. 2016–2019

    Mayor
    Nasser Cadiente Pangandaman[24]
    Vice mayor
    Amelbansa Mimbantas Pangandaman[24]

  5. 2013–2016

    Mayor
    Nasser Pacasum Pangandaman Jr.[25]
    Vice mayor
    Amelbansa Mimbantas Pangandaman[25]

  6. 2010–2013

    Mayor
    Nasser Pacasum Pangandaman Jr.[26]
    Vice mayor
    Amilbansa Mimbantas Pangandaman[26]

  7. 2007–2010

    Mayor
    Nasser Pacasum Pangandaman Jr.[27]
    Vice mayor
    Umbra Pangandaman Unda[27]

  8. 2004–2007

    Mayor
    Aminullah Arimao[28]
    Vice mayor
    Usman Oranggaga[28]

  9. 2001–2004

    Mayor
    Nasib G. Pangandaman[29]
    Vice mayor
    Jamil Tagoranao Rimbang[29]
Mayors and vice mayors of Masiu, by term
TermMayorVice mayor
2025–2028In office as of February 2026Romil Mitmug Guiling[21]Jadid Repors Mimbantas[21]
2022–2025Nasser Pacasum Pangandaman Jr.[22]Jamimah Casad Solaiman[22]
2019–2022Nasser Pacasum Pangandaman Jr.[23]Mocsen Sharief Magandia[23]
2016–2019Nasser Cadiente Pangandaman[24]Amelbansa Mimbantas Pangandaman[24]
2013–2016Nasser Pacasum Pangandaman Jr.[25]Amelbansa Mimbantas Pangandaman[25]
2010–2013Nasser Pacasum Pangandaman Jr.[26]Amilbansa Mimbantas Pangandaman[26]
2007–2010Nasser Pacasum Pangandaman Jr.[27]Umbra Pangandaman Unda[27]
2004–2007Aminullah Arimao[28]Usman Oranggaga[28]
2001–2004Nasib G. Pangandaman[29]Jamil Tagoranao Rimbang[29]

History & Identity

Created
Executive Order No. 42, signed June 25, 1963, declared the municipal district of Masiu a fifth class municipality counted from July 1, 1962. No earlier law creating the district was found.[9]

Its story

The Bangsamoro heritage commission lists Masiu as one of the four principalities of the Maranao sultanate, the Pat a Pagampong sa Ranao.[10]

The 1917 Administrative Code lists Masiu as a municipal district of Lanao.[11]

It was a municipal district of Lanao del Sur in 1959 and was ranked first class in 1960.[12, 13]

In 1963 it was declared a municipality.[9]

Timeline

  1. 1917

    In the 1917 Administrative Code, Masiu is listed among the municipal districts of the Province of Lanao.[11]

  2. May 22, 1959

    Republic Act 2228 created the Province of Lanao del Sur from part of Lanao and named Masiu among its municipal districts or municipalities.[12]

  3. December 5, 1960

    Executive Order 409 reclassified Masiu as a first class municipal district.[13]

  4. June 25, 1963

    Executive Order 42 declared Masiu a fifth class municipality, counted from July 1, 1962.[9]

  5. October 4, 1971

    Republic Act 6406 provided for splitting Lanao del Sur in two, with Masiu in Maranaw.[14]

Nearby

Masiu shares a border with Butig, Lumba-Bayabao, Lumbayanague and Poona Bayabao.

How it compares

Masiu beside Lanao del Sur, and where it stands among the cities and municipalities of Lanao del Sur.

Masiu beside Lanao del Sur
FigureMasiuLanao del SurRank among the cities and municipalities of Lanao del Sur
People, 2024CensusA count of every person in the country, all on one day. The 2024 census counted people as they were on 1 July 2024.More in the glossary36,803[1, 2]1,368,13710th of 40
Growth a year, 2020–2024Growth a yearHow fast the number of people changed each year between two censuses. 1% a year means about 1 more person for every 100 people, each year.More in the glossary2.22% a year[1, 2]slower3.29% a year23rd of 40
People per km², 2024Population densityHow crowded a place is on average: its people divided by its land area. 1,000 people per square kilometre is 10 people per hectare, a square of 100 by 100 metres.More in the glossary1,034[6]more crowded25013th of 40
Land areaLand areaThe land inside the place's official boundary. A square kilometre is a square 1 km on each side, about the size of 140 football fields.More in the glossary35.59 km²[6]5,483.08 km²27th of 40
People in each household, 2024HouseholdA person living alone, or people who sleep in the same home and share their meals. A family may be one household or several.More in the glossary5.5[1, 2]lower5.7not ranked
In urban barangays, 2024Urban barangayThe PSA counts a barangay as urban when it has 5,000 people or more, or a big employer, or several businesses and public services close by. Every barangay in Metro Manila is urban.More in the glossary0%[5]lower6.5%not ranked

How far, in a straight line[3]

Marawi City, the capital of Lanao del Sur
29.2 km north
Manila
842.7 km northwest

In a straight line between the points inside each place farthest from its edges, not by road.

The nearest towns and cities[3]

  1. Poona BayabaoLanao del Sur6.4 km northwest
  2. TamparanLanao del Sur10.2 km northwest
  3. Lumba-BayabaoLanao del Sur11.4 km east
  4. LumbayanagueLanao del Sur11.6 km west
  5. ButigLanao del Sur12.3 km south
  6. TarakaLanao del Sur13.3 km north

Sources

Page updated October 9, 2026. Sources checked by Scene October 8, 2026.
  1. 1.Philippine Statistics Authority. Population and Annual Population Growth Rate of the Philippines and its Regions, Provinces, and Highly Urbanized Cities Based on the 2010, 2015, 2020 and 2024 Population Census (OpenSTAT table 0211A6DAPG0). Published August 7, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  2. 2.Philippine Statistics Authority. Total Population, Household Population, and Number of Households by Province, City, Municipality, and Barangay as of 01 July 2024 : Bangsamoro Autonomous Region In Muslim Mindanao (BARMM) (OpenSTAT table 0141A6DTHP3). Published August 7, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  3. 3.UN OCHA, from the PSA and NAMRIA. Philippines: Subnational Administrative Boundaries (COD-AB), barangay layer. Published February 13, 2025. Read by Scene September 25, 2026. CC BY-IGO 3.0. Open the source
  4. 4.Philippine Statistics Authority. Philippine Standard Geographic Code (PSGC), 2nd Quarter 2026: Publication Datafile. Published June 30, 2026. Read by Scene September 24, 2026. CC BY (PSA Terms of Use). Open the source
  5. 5.Philippine Statistics Authority. Total Population and Urban Population by Urban Classification and Region, Province, Highly Urbanized City, City/Municipality and Barangay: Philippines, 2024 (OpenSTAT table 0231A6DPUP0). Published August 7, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  6. 6.Philippine Statistics Authority, from the Land Management Bureau (DENR). Population, Land Area, Population Density, and Percent Change in Population Density by Region, Province/Highly Urbanized City, and City/Municipality: 2015, 2020, and 2024 (OpenSTAT table 0221A6DLPD0). Published August 7, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  7. 7.Philippine Statistics Authority. Philippine Standard Geographic Code (PSGC), 4th Quarter 2022: Publication Datafile, with the 2015 and 2020 census counts (the PSA's file, as the Internet Archive keeps it). Published December 31, 2022. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  8. 8.OpenStreetMap contributors. Named public places in OpenStreetMap: schools, hospitals and health centres, places of worship, government offices, markets, stations, parks, beaches and monuments, from Geofabrik's extract of the Philippines. Published September 30, 2026. Read by Scene October 2, 2026. ODbL 1.0. Open the source
  9. 9.Office of the President. Executive Order No. 42 (25 June 1963), declaring certain municipal districts as municipalities. Published June 25, 1963. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  10. 10.Bangsamoro Commission for the Preservation of Cultural Heritage (BARMM). Lanao del Sur. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  11. 11.Philippine Legislature (via National Library of the Philippines Digital Collections). Act No. 2711: An Act amending the Administrative Code. Published March 10, 1917. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  12. 12.Lawphil Project (Arellano Law Foundation). Republic Act No. 2228, An Act to Create the Provinces of Lanao del Norte and Lanao del Sur. Published 1959. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  13. 13.The Lawphil Project, Arellano Law Foundation. Executive Order No. 409, s. 1960 (reclassifying municipal districts). Published December 5, 1960. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  14. 14.The Lawphil Project, Arellano Law Foundation. Republic Act No. 6406 (dividing Lanao del Sur into Maranaw and Lanao del Sur). Published October 4, 1971. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  15. 15.Congress of the Philippines. Republic Act No. 7160: the Local Government Code of 1991. Published October 10, 1991. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  16. 16.1986 Constitutional Commission. The 1987 Constitution of the Republic of the Philippines. Published February 2, 1987. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  17. 17.Philippine Postal Corporation (PHLPost). Philippine ZIP Codes (the directory "ZipCode 2019.pdf", made 2019-12-02), as the Internet Archive keeps it (its SHA-1 matches the Archive's index). Published December 2, 2019. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1; a government-owned corporation's work is the Government's, Section 171.9). Open the source
  18. 18.1986 Constitutional Commission (text from the Chan Robles Virtual Law Library). Ordinance appended to the 1987 Constitution, apportioning the seats of the House of Representatives. Published February 2, 1987. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  19. 19.Commission on Elections (COMELEC). 2025 National and Local Elections: results, certificates of canvass of every province, city and municipality. Published May 2025. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  20. 20.Philippine Statistics Authority. Municipal and City Level Small Area Poverty Estimates; 2018 and 2021 (the PSA's workbook "2018 - 2021 SAE_with PSGC_noHUC.xlsx", sheet "2018-2021_NoHUC", as the Internet Archive keeps it). Published April 2, 2024. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  21. 21.Department of the Interior and Local Government (DILG). Directory of LGU Elective Officials for Term 2025-2028 as of February 2026 (its sheet: Consolidated List of Officials for Election Terms (2025-2028)), released through the FOI portal. Published February 2026. Read by Scene October 2, 2026. A work of the Government of the Philippines: RA 8293, Section 176 (no copyright subsists in it; exploiting it for profit needs the agency's prior approval). Open the source
  22. 22.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected City/Municipal Candidates, May 9, 2022 National and Local Elections. Published December 23, 2025. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  23. 23.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected City/Municipal Candidates, May 13, 2019 National and Local Elections. Published December 23, 2025. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  24. 24.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected City/Municipal Candidates, May 9, 2016 National and Local Elections (its pages are headed "LIST OF ELECED CITY/MUNICIPAL CANDIDATES"). Published January 12, 2026. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  25. 25.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected City/Municipal Candidates, May 13, 2013 National and Local Elections. Published January 12, 2026. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  26. 26.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected City/Municipal Candidates, May 10, 2010 National and Local Elections. Published January 8, 2026. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  27. 27.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected City/Municipal Candidates, May 14, 2007 National and Local Elections. Published January 14, 2026. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  28. 28.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected City/Municipal Candidates, May 10, 2004 National and Local Elections (its pages are headed "LIST OF CITY/MUNICIPAL CANDIDATES"). Published January 14, 2026. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  29. 29.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected City/Municipal Candidates, May 14, 2001 National and Local Elections. Published January 8, 2026. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  30. 30.European Union and the European Space Agency (Copernicus), from DLR and Airbus Defence and Space (WorldDEM). Copernicus DEM GLO-30: global digital surface model at 30 m, one-degree tiles (2021 release). Published 2021. Read by Scene October 2, 2026. Copernicus DEM GLO-30 licence: free, any use including commercial, with the Copernicus notice. Open the source
  31. 31.OpenStreetMap contributors, extract by Geofabrik. Named rivers, lakes, reservoirs, peaks and the coastline of the Philippines in OpenStreetMap (Geofabrik extract, cut by osmium). Published September 30, 2026. Read by Scene October 2, 2026. ODbL 1.0. Open the source
  32. 32.Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), Climatology and Agrometeorology Division. Climate Map of the Philippines (1951-2010), Modified Coronas Climate Classification. Published August 2014. Read by Scene October 2, 2026. A work of the Government of the Philippines: no copyright (RA 8293 s.176.1); PAGASA's approval is needed to use it for profit. Open the source
  33. 33.Philippine Statistics Authority. 2015 Census of Population, Statistical Tables, Table 1: Population Enumerated in Various Censuses by City/Municipality, 1960-2015 (one workbook for each province, highly urbanized city and region). Published 2017. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  34. 34.Philippine Statistics Authority. 2020 Census of Population and Housing: Table A (Population and Annual Growth Rate for the Philippines and its Regions, Provinces and Highly Urbanized Cities) and Table B (Population and Annual Growth Rates by Province, City and Municipality, by Region). Published July 2021. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  35. 35.Philippine Statistics Authority. 2020 Census of Population and Housing: Household Population by Age Group and Sex, for the Philippines and its regions, provinces, cities and municipalities (revised file, psa.gov.ph/system/files/phcd/2022-12/). Published December 2022. Read by Scene October 8, 2026. CC BY (PSA Terms of Use). Open the source

Scene adds what the sources do not print themselves: growth rates, shares, barangay areas and densities, coordinates, neighbours and distances, each computed from the figures and borders above. How each is made.

See something wrong on this page? Write to hello@scene.ph with the page address. We check every report against the source.

Cite this page

Scene.ph. “Masiu, Lanao del Sur.” Scene Atlas. Updated October 9, 2026. https://scene.ph/atlas/lanao-del-sur/masiu