Rajah Buayan, Province of Maguindanao del Sur
| Type | municipality |
|---|---|
| Island group | Mindanao |
| Region | Bangsamoro Autonomous Region in Muslim Mindanao (BARMM) |
| Province | Maguindanao del Sur [formerly, Maguindanao] |
| Barangay count | 11 |
| Postal code | 9634 |
| Coastal/Landlocked | landlocked |
| Marine waterbodies | none (landlocked) |
| Philippine major island(s) | Mindanao |
| Area (2013) | 71.98 km2 (27.79 sq mi) |
| Population (2020) | 27,832 |
| Density (2020) | 387 / km2 (1,002 / sq mi) |
| Coordinates | 6° 54' North, 124° 33' East (6.9079, 124.5506) |
| Estimated elevation above sea level | 13.7 meters (44.8 feet) |
Rajah Buayan is a landlocked municipality in the province of Maguindanao del Sur, which was created from the once-unpartitioned province of Maguindanao.
The municipality has a land area of 71.98 square kilometers or 27.79 square miles which constitutes 0.72% of Maguindanao's total area. Its population as determined by the 2020 Census was 27,832. This represented 2.07% of the total population of Maguindanao province, or 0.63% of the overall population of the Bangsamoro Autonomous Region in Muslim Mindanao. Based on these figures, the population density is computed at 387 inhabitants per square kilometer or 1,002 inhabitants per square mile.
Barangays
Rajah Buayan has 11 barangays as shown in the following table.
Demographic profile of barangays
| Barangay | Population percentage (2020) | Population (2020) | Population (2015) | Change (2015‑2020) | Annual Population Growth Rate (2015‑2020) |
|---|---|---|---|---|---|
| Baital | 9.99% | 2,780 | 2,416 | 15.07% | 3.00% |
| Bakat | 8.25% | 2,295 | 1,646 | 39.43% | 7.25% |
| Dapantis | 10.39% | 2,893 | 2,747 | 5.31% | 1.10% |
| Gaunan | 6.16% | 1,715 | 1,517 | 13.05% | 2.62% |
| Malibpolok | 8.86% | 2,465 | 2,017 | 22.21% | 4.31% |
| Mileb | 9.53% | 2,651 | 2,565 | 3.35% | 0.70% |
| Panadtaban | 9.58% | 2,667 | 2,492 | 7.02% | 1.44% |
| Pidsandawan | 8.53% | 2,375 | 1,199 | 98.08% | 15.47% |
| Sampao | 6.37% | 1,772 | 1,556 | 13.88% | 2.77% |
| Sapakan | 10.93% | 3,043 | 2,464 | 23.50% | 4.54% |
| Tabungao | 11.41% | 3,176 | 3,033 | 4.71% | 0.97% |
| Rajah Buayan Total | 27,832 | 23,652 | 17.67% | 3.49% | |
Economy
The annual regular revenue of Rajah Buayan for the fiscal year of 2016 was ₱55,887,205.54.
Historical annual regular income data
| Fiscal Year | Annual Regular Income | Change |
|---|---|---|
| 2009 | 37,612,587.72 | – |
| 2010 | 39,512,292.09 | 5.05% |
| 2011 | 42,920,190.29 | 8.62% |
| 2012 | 42,330,391.32 | -1.37% |
| 2013 | 40,055,016.88 | -5.38% |
| 2014 | 44,855,475.65 | 11.98% |
| 2015 | 50,667,862.00 | 12.96% |
| 2016 | 55,887,205.54 | 10.30% |
End notes:
| ||
Demographics
Households
The household population of Rajah Buayan in the 2015 Census was 23,652 broken down into 3,770 households or an average of 6.27 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| – | 0 | ||
| – | 0 | ||
| – | 0 | ||
| 24,973 | 4,901 | 5.10 | |
| 17,423 | 2,852 | 6.11 | |
| 23,652 | 3,770 | 6.27 |
Population by age group
According to the 2015 Census, the age group with the highest population in Rajah Buayan is 5 to 9, with 3,839 individuals. Conversely, the age group with the lowest population is 80 and over, with 48 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 809 | 3.42% |
| 1 to 4 | 3,577 | 15.12% |
| 5 to 9 | 3,839 | 16.23% |
| 10 to 14 | 3,045 | 12.87% |
| 15 to 19 | 2,481 | 10.49% |
| 20 to 24 | 1,721 | 7.28% |
| 25 to 29 | 1,768 | 7.48% |
| 30 to 34 | 1,326 | 5.61% |
| 35 to 39 | 1,271 | 5.37% |
| 40 to 44 | 1,135 | 4.80% |
| 45 to 49 | 909 | 3.84% |
| 50 to 54 | 603 | 2.55% |
| 55 to 59 | 466 | 1.97% |
| 60 to 64 | 285 | 1.20% |
| 65 to 69 | 175 | 0.74% |
| 70 to 74 | 125 | 0.53% |
| 75 to 79 | 69 | 0.29% |
| 80 and over | 48 | 0.20% |
| Total | 23,652 | 100.00% |
| ||
Historical population
The population of Rajah Buayan grew from 24,973 in 2007 to 27,832 in 2020, an increase of 2,859 people over the course of 13 years. The latest census figures in 2020 denote a positive annualized growth rate of 3.48%, or an increase of 4,180 people, from the previous population of 23,652 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| – | – | |
| – | – | |
| – | – | |
| – | – | |
| – | – | |
| – | – | |
| – | – | |
| – | – | |
| – | – | |
| – | – | |
| – | – | |
| 24,973 | – | |
| 17,423 | -12.28% | |
| 23,652 | 5.99% | |
| 27,832 | 3.48% |
The total number of registered voters or electorate in Rajah Buayan for the year 2019 was 10,807, broken down into 5,905 males and 4,902 females.
Location
The municipal center of Rajah Buayan is situated at approximately 6° 54' North, 124° 33' East, in the island of Mindanao. Elevation at these coordinates is estimated at 13.7 meters or 44.8 feet above mean sea level.
Distances
Based on the great-circle distance (the shortest distance between two points over the surface of the Earth), the cities closest to Rajah Buayan are Tacurong, Sultan Kudarat, Cotabato City, Koronadal, South Cotabato, Kidapawan, Cotabato, Digos, Davao del Sur, and General Santos. The nearest municipalities are Mamasapano, Maguindanao del Sur, Sultan sa Barongis, Maguindanao del Sur, Shariff Saydona Mustapha, Maguindanao del Sur, Datu Salibo, Maguindanao del Sur, Shariff Aguak, Maguindanao del Sur, and Ampatuan, Maguindanao del Sur. Its distance from the national capital is 935.13 kilometers (581.06 miles). The following list delineates such distance measurements.
great-circle distance
Nearest towns
- Mamasapano, Maguindanao del Sur, 5.68 kilometers (3.53 miles) to the West‑Southwest (S72°W)
- Sultan sa Barongis, Maguindanao del Sur, 6.19 kilometers (3.85 miles) to the East‑Southeast (S63°E)
- Shariff Saydona Mustapha, Maguindanao del Sur, 7.61 kilometers (4.73 miles) to the West‑Southwest (S69°W)
- Datu Salibo, Maguindanao del Sur, 10.71 kilometers (6.65 miles) to the Northwest (N45°W)
- Shariff Aguak, Maguindanao del Sur, 12.81 kilometers (7.96 miles) to the West‑Southwest (S66°W)
- Ampatuan, Maguindanao del Sur, 13.07 kilometers (8.12 miles) to the Southwest (S50°W)
Nearest cities
- Tacurong, Sultan Kudarat, 28.10 kilometers (17.46 miles) to the South‑Southeast (S30°E)
- Cotabato City, 48.22 kilometers (29.96 miles) to the Northwest (N44°W)
- Koronadal, South Cotabato, 55.50 kilometers (34.49 miles) to the Southeast (S36°E)
- Kidapawan, Cotabato, 60.81 kilometers (37.78 miles) to the East (N79°E)
- Digos, Davao del Sur, 90.90 kilometers (56.48 miles) to the East‑Southeast (S78°E)
- General Santos, 111.49 kilometers (69.27 miles) to the Southeast (S38°E)
Distance from Manila: 935.13 kilometers (581.06 miles) to the North‑Northwest (N24°W)
Notes
- Unless otherwise specified, population count (excluding percentages), household data, and land area figures are derived from the Philippine Statistics Authority.
- Data on registered voters is from the Commission on Elections.
- Data on annual regular income is from the Bureau of Local Government Finance, Department of Finance
- Postal code information is from the Philippine Postal Corporation.