Isulan, Province of Sultan Kudarat
| Type | municipality |
|---|---|
| Island group | Mindanao |
| Region | SOCCSKSARGEN (Region XII) |
| Province | Sultan Kudarat |
| Barangay count | 17 |
| Postal code | 9805 |
| Coastal/Landlocked | landlocked |
| Marine waterbodies | none (landlocked) |
| Philippine major island(s) | Mindanao |
| Area (2013) | 545.87 km2 (210.76 sq mi) |
| Population (2020) | 97,490 |
| Density (2020) | 179 / km2 (463 / sq mi) |
| Coordinates | 6° 38' North, 124° 36' East (6.6340, 124.5971) |
| Estimated elevation above sea level | 65.4 meters (214.5 feet) |
Isulan is a landlocked municipality in the coastal province of Sultan Kudarat. It serves as the provincial capital.
The municipality has a land area of 545.87 square kilometers or 210.76 square miles which constitutes 10.18% of Sultan Kudarat's total area. Its population as determined by the 2020 Census was 97,490. This represented 11.41% of the total population of Sultan Kudarat province, or 1.99% of the overall population of the SOCCSKSARGEN region. Based on these figures, the population density is computed at 179 inhabitants per square kilometer or 463 inhabitants per square mile.
Barangays
Isulan has 17 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) |
|---|---|---|---|---|---|
| Bambad | 7.01% | 6,833 | 6,141 | 11.27% | 2.27% |
| Bual | 5.53% | 5,391 | 4,953 | 8.84% | 1.80% |
| Dansuli | 5.85% | 5,707 | 5,796 | -1.54% | -0.33% |
| D'Lotilla | 4.77% | 4,648 | 3,641 | 27.66% | 5.27% |
| Impao | 2.72% | 2,652 | 2,224 | 19.24% | 3.77% |
| Kalawag I | 10.84% | 10,568 | 10,208 | 3.53% | 0.73% |
| Kalawag II | 17.20% | 16,769 | 15,330 | 9.39% | 1.91% |
| Kalawag III | 6.20% | 6,045 | 6,407 | -5.65% | -1.22% |
| Kenram | 6.32% | 6,166 | 5,256 | 17.31% | 3.42% |
| Kolambog | 2.89% | 2,817 | 2,670 | 5.51% | 1.13% |
| Kudanding | 3.42% | 3,337 | 3,146 | 6.07% | 1.25% |
| Lagandang | 3.12% | 3,043 | 2,615 | 16.37% | 3.24% |
| Laguilayan | 10.74% | 10,466 | 10,182 | 2.79% | 0.58% |
| Mapantig | 2.49% | 2,428 | 2,261 | 7.39% | 1.51% |
| New Pangasinan | 2.53% | 2,466 | 2,220 | 11.08% | 2.24% |
| Sampao | 6.86% | 6,692 | 6,076 | 10.14% | 2.05% |
| Tayugo | 1.50% | 1,462 | 1,556 | -6.04% | -1.30% |
| Isulan Total | 97,490 | 90,682 | 7.51% | 1.54% | |
Economy
The annual regular revenue of Isulan for the fiscal year of 2016 was ₱262,887,336.02.
details
| Fiscal Year | Annual Regular Income | Change |
|---|---|---|
| 2009 | 138,556,733.87 | – |
| 2010 | 148,266,848.87 | 7.01% |
| 2011 | 158,849,381.86 | 7.14% |
| 2012 | 159,278,396.02 | 0.27% |
| 2013 | 177,602,836.41 | 11.50% |
| 2014 | 205,210,549.39 | 15.54% |
| 2015 | 226,912,139.82 | 10.58% |
| 2016 | 262,887,336.02 | 15.85% |
End notes:
| ||
Demographics
Households
The household population of Isulan in the 2015 Census was 90,083 broken down into 20,332 households or an average of 4.43 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 56,270 | 10,227 | 5.50 | |
| 64,950 | 12,704 | 5.11 | |
| 72,924 | 14,333 | 5.09 | |
| 78,917 | 17,261 | 4.57 | |
| 86,387 | 19,024 | 4.54 | |
| 90,083 | 20,332 | 4.43 |
Population by age group
According to the 2015 Census, the age group with the highest population in Isulan is 5 to 9, with 9,611 individuals. Conversely, the age group with the lowest population is 80 and over, with 594 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 1,788 | 1.97% |
| 1 to 4 | 7,702 | 8.49% |
| 5 to 9 | 9,611 | 10.60% |
| 10 to 14 | 9,446 | 10.42% |
| 15 to 19 | 9,463 | 10.44% |
| 20 to 24 | 8,831 | 9.74% |
| 25 to 29 | 8,016 | 8.84% |
| 30 to 34 | 6,733 | 7.42% |
| 35 to 39 | 6,057 | 6.68% |
| 40 to 44 | 5,239 | 5.78% |
| 45 to 49 | 4,833 | 5.33% |
| 50 to 54 | 3,819 | 4.21% |
| 55 to 59 | 3,147 | 3.47% |
| 60 to 64 | 2,263 | 2.50% |
| 65 to 69 | 1,507 | 1.66% |
| 70 to 74 | 956 | 1.05% |
| 75 to 79 | 677 | 0.75% |
| 80 and over | 594 | 0.66% |
| Total | 90,682 | 100.00% |
| ||
Historical population
The population of Isulan grew from 21,431 in 1960 to 97,490 in 2020, an increase of 76,059 people over the course of 60 years. The latest census figures in 2020 denote a positive growth rate of 1.54%, or an increase of 6,808 people, from the previous population of 90,682 in 2015.
details
| Census date | Population | Growth rate |
|---|---|---|
| – | – | |
| – | – | |
| – | – | |
| – | – | |
| 21,431 | – | |
| 29,850 | 3.29% | |
| 30,905 | 0.70% | |
| 39,283 | 4.91% | |
| 56,488 | 3.70% | |
| 65,202 | 2.72% | |
| 73,129 | 2.49% | |
| 79,277 | 1.12% | |
| 86,602 | 3.27% | |
| 90,682 | 0.88% | |
| 97,490 | 1.54% |
The total number of registered voters or electorate in Isulan for the year 2019 was 56,144, broken down into 27,677 males and 28,467 females.
Location
The municipal center of Isulan is situated at approximately 6° 38' North, 124° 36' East, in the island of Mindanao. Elevation at these coordinates is estimated at 65.4 meters or 214.5 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 Isulan are Tacurong, Sultan Kudarat, Koronadal, South Cotabato, Kidapawan, Cotabato, Cotabato City, Digos, Davao del Sur, and General Santos. The nearest municipalities are Bagumbayan, Sultan Kudarat, Norala, South Cotabato, Esperanza, Sultan Kudarat, Tantangan, South Cotabato, President Quirino, Sultan Kudarat, and Lambayong, Sultan Kudarat. Its distance from the national capital is 965.77 kilometers (600.10 miles). The following list delineates such distance measurements.
great-circle distance
Nearest towns
- Bagumbayan, Sultan Kudarat, 10.83 kilometers (6.73 miles) to the South‑Southwest (S20°W)
- Norala, South Cotabato, 13.47 kilometers (8.37 miles) to the South‑Southeast (S28°E)
- Esperanza, Sultan Kudarat, 13.73 kilometers (8.53 miles) to the Northwest (N39°W)
- Tantangan, South Cotabato, 16.69 kilometers (10.37 miles) to the East (S87°E)
- President Quirino, Sultan Kudarat, 17.49 kilometers (10.87 miles) to the East‑Northeast (N62°E)
- Lambayong, Sultan Kudarat, 19.46 kilometers (12.09 miles) to the North (N11°E)
Nearest cities
- Tacurong, Sultan Kudarat, 11.26 kilometers (6.99 miles) to the Northeast (N52°E)
- Koronadal, South Cotabato, 30.45 kilometers (18.92 miles) to the East‑Southeast (S63°E)
- Kidapawan, Cotabato, 69.01 kilometers (42.88 miles) to the Northeast (N52°E)
- Cotabato City, 76.44 kilometers (47.50 miles) to the North‑Northwest (N30°W)
- Digos, Davao del Sur, 84.84 kilometers (52.72 miles) to the East (N81°E)
- General Santos, 85.01 kilometers (52.82 miles) to the Southeast (S48°E)
Distance from Manila: 965.77 kilometers (600.10 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.