Sirawai, Province of Zamboanga del Norte

Summary data
Typemunicipality
Island groupMindanao
RegionZamboanga Peninsula (Region IX)
ProvinceZamboanga del Norte
Barangay count34
Postal code7121
Coastal/Landlockedcoastal
Marine waterbodiesSulu Sea
Philippine major island(s)Mindanao
Area (2007)222.50 km2 (85.91 sq mi)
Population (2015)28,799
Density (2015)129 / km2 (335 / sq mi)
Coordinates7° 35' North, 122° 8' East (7.5873, 122.1400)
Estimated elevation above sea level6.8 meters (22.3 feet)

Sirawai is a coastal municipality in the province of Zamboanga del Norte.

The municipality has a land area of 222.50 square kilometers or 85.91 square miles which constitutes 3.05% of Zamboanga del Norte's total area. Its population as determined by the 2015 Census was 28,799. This represented 2.85% of the total population of Zamboanga del Norte province, or 0.79% of the overall population of the Zamboanga Peninsula region. Based on these figures, the population density is computed at 129 inhabitants per square kilometer or 335 inhabitants per square mile.

Barangays

Sirawai has 34 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)
Balatakan2.13%61455710.23%1.87%
Balonkan1.31%37633412.57%2.28%
Balubuan1.13%32626523.02%4.02%
Bitugan1.84%5294829.75%1.79%
Bongon2.52%7256668.86%1.63%
Catuyan1.20%34629517.29%3.08%
Culasian2.93%84576510.46%1.91%
Danganon1.34%38533514.93%2.68%
Doña Cecilia4.30%1,2371,320-6.29%-1.23%
Guban31.52%9,0787,18926.28%4.54%
Lagundi1.13%32528414.44%2.60%
Libucon1.88%54147912.94%2.34%
Lubok2.66%76567713.00%2.35%
Macuyon1.20%34726132.95%5.57%
Minanga0.80%23019418.56%3.29%
Motong1.46%42137013.78%2.49%
Napulan1.20%34630911.97%2.18%
Panabutan1.76%50745411.67%2.12%
Piacan2.41%69562710.85%1.98%
Piña1.30%37325049.20%7.92%
Pisa Itom1.11%32129110.31%1.89%
Pisa Puti1.13%32428214.89%2.68%
Pugos1.25%35930916.18%2.90%
Pula Bato1.99%57449416.19%2.90%
Pulang Lupa1.24%35631911.60%2.11%
Saint Mary3.58%1,03092111.83%2.15%
San Nicolas4.69%1,3511,17015.47%2.78%
San Roque4.60%1,3241,05425.62%4.44%
San Vicente2.10%60552116.12%2.89%
Sipakit1.69%48643013.02%2.36%
Sipawa2.10%6045951.51%0.29%
Sirawai Proper6.17%1,7761,51317.38%3.10%
Talabiga0.99%28621632.41%5.49%
Tapanayan1.36%39235510.42%1.91%
Sirawai Total28,79924,58317.15%3.06%

Economy

According to the Bureau of Local Government Finance, the annual regular revenue of Sirawai for the fiscal year of 2016 was 87,605,543.25.

details
Fiscal YearAnnual Regular IncomeChange
200947,433,421.93
201049,301,135.323.94%
201154,371,822.5510.29%
201252,107,107.34-4.17%
201364,294,624.0723.39%
201471,312,080.4810.91%
201578,851,231.3210.57%
201687,605,543.2511.10%

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 Sirawai is 5 to 9, with 3,526 individuals. Conversely, the age group with the lowest population is 80 and over, with 78 individuals.

details
Age groupPopulation (2015)
Under 1781
1 to 43,118
5 to 93,526
10 to 143,166
15 to 193,317
20 to 243,285
25 to 292,680
30 to 342,032
35 to 391,616
40 to 441,472
45 to 491,285
50 to 54890
55 to 59603
60 to 64361
65 to 69278
70 to 74216
75 to 7995
80 and over78
Total28,799

Historical population

The population of Sirawai grew from 9,050 in 1970 to 28,799 in 2015, an increase of 19,749 people. The latest census figures in 2015 denote a positive growth rate of 3.06%, or an increase of 4,216 people, from the previous population of 24,583 in 2010.

details
Census datePopulationGrowth rate
9,050
9,2930.53%
10,6622.79%
19,9116.45%
22,0931.97%
16,534-6.03%
20,1122.74%
24,5837.58%
28,7993.06%

Location

The municipal center of Sirawai is situated at approximately 7° 35' North, 122° 8' East, in the island of Mindanao. Elevation at these coordinates is estimated at 6.8 meters or 22.3 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 Sirawai are Zamboanga City, Isabela City, Lamitan, Pagadian, Dipolog, and Dapitan. The nearest municipalities are Siocon, Baliguian, Tungawan, Sibuco, Roseller Lim, and Gutalac. Its distance from the national capital is 784.97 kilometers (487.76 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

Distance from Manila: 784.97 kilometers (487.76 miles) to the North (N9°W)

National rankings

  • Population (2015): 28,799, ranked 896 out of 1,634
  • Land area (2007): 85.91 square kilometers, ranked 452 out of 1,634
  • Population density (2015): 129 inhabitants per square kilometer, ranked 1,160 out of 1,634
  • Annual population growth rate (2010 to 2015): 3.06%, ranked 741 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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