Zamboanga Sibugay

Summary data
Map of the Philippines highlighting Zamboanga Sibugay
Typeprovince
Island groupMindanao
RegionZamboanga Peninsula (Region IX)
Cities0
Municipalities16
Barangays389
Coastal/Landlockedcoastal
Marine waterbodiesCelebes Sea
Area (2013)3,481.28 km2 (1,344.13 sq mi)
Population (2020)669,840
Density (2020)192 / km2 (498 / sq mi)

Zamboanga Sibugay is a province in the Philippines situated in the Zamboanga Peninsula region occupying the western section of Mindanao. Its capital is the Municipality of Ipil.

The province has a land area of 3,481.28 square kilometers or 1,344.13 square miles. Its population as determined by the 2020 Census was 669,840. This represented 17.28% of the total population of the Zamboanga Peninsula region, 2.55% of the overall population of the Mindanao island group, or 0.61% of the entire population of the Philippines. Based on these figures, the population density is computed at 192 inhabitants per square kilometer or 498 inhabitants per square mile.

Map

Zamboanga Sibugay is bordered, clockwise from the North, by Zamboanga del Norte, Zamboanga del Sur, Dumanquilias Bay, Moro Gulf, Sibuguey Bay, and Zamboanga City.

details
Map of the Philippines with Zamboanga Sibugay highlighted in redMap of Zamboanga Sibugay showing its component municipalitiesAliciaBuugDiplahanImeldaIpilKabasalanMabuhayMalangasNagaOlutangaPayaoRoseller LimSiayTalusanTitayTungawan

Local government units

Zamboanga Sibugay has 16 municipalities. The total number of barangays in the province is 389.

details
Local government units of Zamboanga Sibugay
NameTypePopulation (2020)Population (2015)Annual Population Growth Rate (2015‑2020)Area (2013), in km2Density (2020), per km2Brgy count
Aliciamunicipality39,45636,0131.94%183.0821627
Buugmunicipality38,42536,6341.01%134.0628727
Diplahanmunicipality32,58532,4280.10%255.5112822
Imeldamunicipality26,02028,018-1.55%85.1230618
Ipilmunicipality, capital89,40174,6563.87%168.4653128
Kabasalanmunicipality46,88444,3361.18%289.2016229
Mabuhaymunicipality37,39036,8700.30%82.8545118
Malangasmunicipality32,02233,380-0.87%235.5313625
Nagamunicipality41,74338,5471.69%246.3016923
Olutangamunicipality38,43833,6712.83%113.3033919
Payaomunicipality34,95231,6862.09%192.3318229
Roseller Limmunicipality43,57543,646-0.03%300.0014526
Siaymunicipality40,58541,572-0.50%313.6612929
Talusanmunicipality27,87329,969-1.51%58.1647914
Titaymunicipality53,99449,6731.77%350.4415430
Tungawanmunicipality46,49742,0302.15%473.289825
Zamboanga Sibugay Total669,840633,1291.19%3,481.28192389

Economy

The annual regular revenue of Zamboanga Sibugay for the fiscal year of 2016 was ₱1,067,450,140.66.

Historical annual regular income data

Annual regular income of Zamboanga Sibugay (2009‑2016)
Fiscal YearAnnual Regular IncomeChange
2009624,111,608.55–
2010625,444,134.500.21%
2011677,258,998.788.28%
2012652,109,575.87-3.71%
2013724,421,365.9811.09%
2014823,695,592.5813.70%
2015973,586,048.3318.20%
20161,067,450,140.669.64%

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 Sibugay is 5 to 9, with 79,437 individuals. Conversely, the age group with the lowest population is 80 and over, with 3,960 individuals.

Age distribution

Population of Zamboanga Sibugay by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 114,5912.30%
1 to 464,61310.21%
5 to 979,43712.55%
10 to 1475,27211.89%
15 to 1966,34810.48%
20 to 2458,6619.27%
25 to 2948,8967.72%
30 to 3440,8166.45%
35 to 3937,2025.88%
40 to 4432,7075.17%
45 to 4930,0574.75%
50 to 5425,1243.97%
55 to 5919,8963.14%
60 to 6414,6732.32%
65 to 699,8421.55%
70 to 746,5001.03%
75 to 794,5340.72%
80 and over3,9600.63%
Total633,129100.00%
  • Youth Dependency Ratio: 62.48
  • Old Age Dependency Ratio: 6.63
  • Total Dependency Ratio: 69.11
  • Median Age: 21.39

Historical population

The population of Zamboanga Sibugay grew from 9,843 in 1918 to 669,840 in 2020, an increase of 659,997 people over the course of 102 years. The latest census figures in 2020 denote a positive annualized growth rate of 1.19%, or an increase of 36,711 people, from the previous population of 633,129 in 2015.

Trends in population growth

Population of Zamboanga Sibugay (1903‑2020)
Census datePopulationAnnualized Growth Rate
––
9,843–
15,8822.42%
19,0371.88%
110,08516.68%
236,0057.75%
252,9161.40%
278,7621.96%
407,0383.86%
450,3401.91%
497,2392.15%
546,1861.30%
584,6852.51%
633,1291.53%
669,8401.19%

The total number of registered voters or electorate in Zamboanga Sibugay for the year 2019 was 400,525.

National roads

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

Primary Roads

  • Ipil-Liloy-Sindangan Road
  • Lanao-Pagadian-Zamboanga City Road

Tertiary Roads

  • Crossing Santa Clara-Sandayong Road
  • Diplahan Junction-Malangas Port Road
  • Imelda-Bayog-Kumalarang-Lapuyan-Margosatubig Road
  • Ipil-Magdaup Wharf Road
  • Junction Imelda-Alicia 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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