Zamboanga del Sur

Summary data
Map of the Philippines highlighting Zamboanga del Sur
Typeprovince
Island groupMindanao
RegionZamboanga Peninsula (Region IX)
Highly urbanized cities1
Cities1
Municipalities26
Barangays [note]681
Coastal/Landlockedcoastal
Marine waterbodiesCelebes Sea, Bohol Sea
Area (2013) [note]4,484.21 km2 (1,731.36 sq mi)
Population (2020) [note]1,050,668
Density (2020) [note]234 / km2 (607 / sq mi)
[note] Figures exclude highly urbanized cities

Zamboanga del Sur is a province in the Philippines situated in the Zamboanga Peninsula region occupying the western section of Mindanao. Its capital is the City of Pagadian.

The province has a land area of 4,484.21 square kilometers or 1,731.36 square miles. Its population as determined by the 2020 Census was 1,050,668. This represented 27.11% of the total population of the Zamboanga Peninsula region, 4.00% of the overall population of the Mindanao island group, or 0.96% of the entire population of the Philippines. Based on these figures, the population density is computed at 234 inhabitants per square kilometer or 607 inhabitants per square mile.

Map

Zamboanga del Sur is bordered, clockwise from the North, by Zamboanga del Norte, Misamis Occidental, Iligan Bay, Lanao del Norte, Ilana Bay, Moro Gulf, Dumanquilias Bay, and Zamboanga Sibugay.

details
Map of the Philippines with Zamboanga del Sur highlighted in redMap of Zamboanga del Sur showing its cities and component municipalitiesAuroraBayogDimatalingDinasDumalinaoDumingagGuiposJosefinaKumalarangLabanganLakewoodLapuyanMahayagMargosatubigMidsalipMolavePagadianPitogoRamon MagsaysaySan MiguelSan PabloSominotTabinaTambuligTigbaoTukuranVincenzo A. SagunZamboanga City

Local government units

Zamboanga del Sur has 26 municipalities and 1 city. The total number of barangays in the province is 681. The City of Zamboanga City is commonly grouped with the province, although it is administratively independent due to its distinction as a highly urbanized city.

details
Local government units of Zamboanga del Sur
NameTypePopulation (2020)Population (2015)Annual Population Growth Rate (2015‑2020)Area (2013), in km2Density (2020), per km2Brgy count
Auroramunicipality52,99550,7550.91%180.9529344
Bayogmunicipality34,51933,5910.58%356.409728
Dimatalingmunicipality31,34030,0810.87%141.8022124
Dinasmunicipality36,29135,5040.46%121.1030030
Dumalinaomunicipality32,92832,0130.60%117.6428030
Dumingagmunicipality48,88147,4850.61%297.7516444
Guiposmunicipality21,73820,7291.01%90.5324017
Josefinamunicipality12,20511,7990.71%56.3521714
Kumalarangmunicipality29,47928,4690.74%151.4919518
Labanganmunicipality44,26241,7901.22%157.9028025
Lakewoodmunicipality21,55920,3741.20%201.3010714
Lapuyanmunicipality27,73727,2640.36%329.008426
Mahayagmunicipality48,25846,5160.78%194.9024829
Margosatubigmunicipality38,66037,8730.43%111.6934617
Midsalipmunicipality33,71132,0751.05%161.5620933
Molavemunicipality53,14052,0060.46%251.5021125
Pagadiancity (CC), capital, regional center210,452199,0601.18%378.8055654
Pitogomunicipality27,51627,0570.35%95.9428715
Ramon Magsaysaymunicipality27,28026,6060.53%113.7024027
San Miguelmunicipality19,83819,2050.69%181.5910918
San Pablomunicipality26,64826,1060.43%149.9017828
Sominotmunicipality19,06118,5370.59%111.5217118
Tabinamunicipality25,73425,0610.56%71.6535915
Tambuligmunicipality37,48036,1600.76%130.6528731
Tigbaomunicipality21,67520,9790.69%120.6918018
Tukuranmunicipality42,42939,8201.35%144.9129325
Vincenzo A. Sagunmunicipality24,85223,7590.95%63.0039414
Zamboanga del Sur Total1,050,6681,010,6740.82%4,484.21234681

Economy

The annual regular revenue of Zamboanga del Sur for the fiscal year of 2016 was ₱1,566,511,217.84.

Historical annual regular income data

Annual regular income of Zamboanga del Sur (2009‑2016)
Fiscal YearAnnual Regular IncomeChange
2009821,239,234.00–
2010883,814,663.007.62%
2011946,728,682.007.12%
2012938,685,990.00-0.85%
20131,054,087,254.0112.29%
20141,199,047,701.9713.75%
20151,414,100,475.2817.94%
20161,566,511,217.8410.78%

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 Zamboanga del Sur is 5 to 9, with 213,520 individuals. Conversely, the age group with the lowest population is 80 and over, with 12,437 individuals.

Age distribution

Population of Zamboanga del Sur by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 142,0272.24%
1 to 4172,0619.19%
5 to 9213,52011.40%
10 to 14204,72110.93%
15 to 19202,49810.81%
20 to 24182,6909.76%
25 to 29146,8797.84%
30 to 34124,1056.63%
35 to 39116,5196.22%
40 to 44104,1865.56%
45 to 4992,6744.95%
50 to 5479,1464.23%
55 to 5962,9693.36%
60 to 6449,1082.62%
65 to 6932,6611.74%
70 to 7420,4921.09%
75 to 7913,7800.74%
80 and over12,4370.66%
Total1,872,473100.00%
  • Youth Dependency Ratio: 54.47
  • Old Age Dependency Ratio: 6.84
  • Total Dependency Ratio: 61.31
  • Median Age: 22.78

Historical population

The population of Zamboanga del Sur grew from 49,337 in 1903 to 1,050,668 in 2020, an increase of 1,001,331 people over the course of 117 years. The latest census figures in 2020 denote a positive annualized growth rate of 0.82%, or an increase of 39,994 people, from the previous population of 1,010,674 in 2015.

Trends in population growth

Population of Zamboanga del Sur (1903‑2020)
Census datePopulationAnnualized Growth Rate
49,337–
15,139-7.19%
69,7987.94%
121,5905.86%
345,1189.61%
454,2832.72%
484,9131.32%
561,3612.97%
695,7412.17%
766,9181.84%
836,2171.87%
914,2781.24%
959,6851.78%
1,010,6740.99%
1,050,6680.82%

The total number of registered voters or electorate in Zamboanga del Sur for the year 2019 was 1,108,435.

National roads

As of December 2016, the National Roads in Zamboanga del Sur are:

Primary Roads

  • Junction Aurora-Ozamis City Road
  • Junction Blancia-Molave-Josefina Road
  • Lanao-Pagadian-Zamboanga City Road
  • Pagadian City-Zamboanga City Road
  • Tucuran Junction-Karomatan Junction Road

Secondary Roads

  • Sindangan-Siayan-Dumingag-Mahayag Road (Mahayag-Dumingag Section)

Tertiary Roads

  • Eastern Bobongan-Sominot-Midsalip-Dumingag Road
  • Imelda-Bayog-Kumalarang-Lapuyan-Margosatubig Road
  • Junction Aurora-Monte Alegre-Junction Labangan Road
  • Junction Dumalinao-Margosatubig Road
  • Junction Pulacan-Military Camp Road
  • Junction Switch-Junction Monte Alegre Road
  • Junction Tubod-Lakewood Road
  • Pagadian City Airport Road
  • Pagadian City Wharf Road
  • Sindangan-Bayog-Lakewood Road
  • Zamboanga del Sur Coastal Road

Notes

  1. Unless otherwise specified, population count (excluding percentages) and land area figures are derived from the Philippine Statistics Authority.
  2. Data on registered voters is from the Commission on Elections.
  3. Maps utilize OpenStreetMap data available under the Open Data Commons Open Database License.
  4. Data on National Roads is from the Department of Public Works and Highways.
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