Isulan, Province of Sultan Kudarat

Summary data
Typemunicipality
Island groupMindanao
RegionSOCCSKSARGEN (Region XII)
ProvinceSultan Kudarat
Barangay count17
Postal code9805
Coastal/Landlockedlandlocked
Marine waterbodiesnone (landlocked)
Philippine major island(s)Mindanao
Area (2007)541.25 km2 (208.98 sq mi)
Population (2015)90,682
Density (2015)168 / km2 (434 / sq mi)
Coordinates6° 38' North, 124° 36' East (6.6340, 124.5971)
Estimated elevation above sea level65.4 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 541.25 square kilometers or 208.98 square miles which constitutes 10.22% of Sultan Kudarat's total area. Its population as determined by the 2015 Census was 90,682. This represented 11.17% of the total population of Sultan Kudarat province, or 2.00% of the overall population of the SOCCSKSARGEN region. Based on these figures, the population density is computed at 168 inhabitants per square kilometer or 434 inhabitants per square mile.

Barangays

Isulan has 17 barangays as shown in the following table.

Demographic profile of barangays
BarangayPopulation percentage (2015)Population (2015)Population (2010)Change (2010‑2015)Annual Population Growth Rate (2010‑2015)
Bambad6.77%6,1415,8894.28%0.80%
Bual5.46%4,9535,080-2.50%-0.48%
Dansuli6.39%5,7965,5684.09%0.77%
D'Lotilla4.02%3,6413,3727.98%1.47%
Impao2.45%2,2242,0687.54%1.39%
Kalawag I11.26%10,2088,73516.86%3.01%
Kalawag II16.91%15,33014,6634.55%0.85%
Kalawag III7.07%6,4076,933-7.59%-1.49%
Kenram5.80%5,2564,8149.18%1.69%
Kolambog2.94%2,6702,36312.99%2.35%
Kudanding3.47%3,1463,369-6.62%-1.30%
Lagandang2.88%2,6152,5114.14%0.78%
Laguilayan11.23%10,18210,1100.71%0.14%
Mapantig2.49%2,2611,89219.50%3.45%
New Pangasinan2.45%2,2201,88617.71%3.15%
Sampao6.70%6,0766,0720.07%0.01%
Tayugo1.72%1,5561,27721.85%3.83%
Isulan Total90,68286,6024.71%0.88%

Economy

According to the Bureau of Local Government Finance, the annual regular revenue of Isulan for the fiscal year of 2016 was 262,887,336.02.

details
Fiscal YearAnnual Regular IncomeChange
2009138,556,733.87
2010148,266,848.877.01%
2011158,849,381.867.14%
2012159,278,396.020.27%
2013177,602,836.4111.50%
2014205,210,549.3915.54%
2015226,912,139.8210.58%
2016262,887,336.0215.85%

End notes:

  • Annual Regular Income = Locally Sourced Revenue + Internal Revenue Allotment (IRA) Current Year + Other Shares from National Tax Collection
  • Locally Sourced Revenue = Real Property Tax (General Fund) + Tax on Business + Other Taxes + Regulatory Fees + Service/User Charges + Receipts from Economic Enterprises

Demographics

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 groupPopulation (2015)
Under 11,788
1 to 47,702
5 to 99,611
10 to 149,446
15 to 199,463
20 to 248,831
25 to 298,016
30 to 346,733
35 to 396,057
40 to 445,239
45 to 494,833
50 to 543,819
55 to 593,147
60 to 642,263
65 to 691,507
70 to 74956
75 to 79677
80 and over594
Total90,682

Historical population

The population of Isulan grew from 21,431 in 1960 to 90,682 in 2015, an increase of 69,251 people. The latest census figures in 2015 denote a positive growth rate of 0.88%, or an increase of 4,080 people, from the previous population of 86,602 in 2010.

details
Census datePopulationGrowth rate
21,431
29,8503.29%
30,9050.70%
39,2834.91%
56,4883.70%
65,2022.72%
73,1292.49%
79,2771.12%
86,6023.27%
90,6820.88%

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, Koronadal, Kidapawan, Cotabato City, Digos, and General Santos. The nearest municipalities are Bagumbayan, Esperanza, Norala, President Quirino, Lambayong, and Tantangan. Its distance from the national capital is 964.88 kilometers (599.55 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

Distance from Manila: 964.88 kilometers (599.55 miles) to the North‑Northwest (N24°W)

National rankings

  • Population (2015): 90,682, ranked 174 out of 1,634
  • Land area (2007): 208.98 square kilometers, ranked 116 out of 1,634
  • Population density (2015): 168 inhabitants per square kilometer, ranked 1,032 out of 1,634
  • Annual population growth rate (2010 to 2015): 0.88%, ranked 1,136 out of 1,634

Notes

  1. Unless otherwise specified, population count (excluding percentages) and land area figures are derived from the Philippine Statistics Authority.
  2. Data on annual regular income is from the Bureau of Local Government Finance, Department of Finance
  3. Postal code information is from the Philippine Postal Corporation.
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