Zambales

Summary data
Map of the Philippines highlighting Zambales
Typeprovince
Island groupLuzon
RegionCentral Luzon (Region III)
Highly urbanized cities1
Cities0
Municipalities13
Barangays [note]230
Coastal/Landlockedcoastal
Marine waterbodiesSouth China Sea
Area (2007) [note]3,645.83 km2 (1,407.66 sq mi)
Population (2015) [note]590,848
Density (2015) [note]162 / km2 (420 / sq mi)
[note] Figures exclude highly urbanized cities

Zambales is a province in the Philippines situated in the Central Luzon region occupying the central section of Luzon. Its capital is the Municipality of Iba.

The province has a land area of 3,645.83 square kilometers or 1,407.66 square miles. Its population as determined by the 2015 Census was 590,848. This represented 5.27% of the total population of the Central Luzon region, 1.03% of the overall population of the Luzon island group, or 0.59% of the entire population of the Philippines. Based on these figures, the population density is computed at 162 inhabitants per square kilometer or 420 inhabitants per square mile.

Map

Zambales is bordered, clockwise from the North, by Pangasinan, Tarlac, Pampanga, Bataan, and the South China Sea.

details

Local government units

Zambales has 13 municipalities. The total number of barangays in the province is 230. The City of Olongapo is commonly grouped with the province, although it is administratively independent due to its distinction as a highly urbanized city.

details
NameTypePopulation (2015)Population (2010)Annual Population Growth Rate (2010‑2015)Area (2007), in km2Density (2015), per km2Brgy count
Botolanmunicipality57,70754,4341.12%735.287831
Cabanganmunicipality25,16323,0821.66%175.2914422
Candelariamunicipality27,17425,0201.58%333.598116
Castillejosmunicipality64,84148,8455.54%92.9969714
Ibamunicipality, capital50,50646,7611.48%153.3832914
Masinlocmunicipality47,71944,3421.41%331.5014413
Palauigmunicipality34,94733,2860.93%310.0011319
San Antoniomunicipality34,66134,2170.25%188.1218414
San Felipemunicipality23,18322,0200.98%111.6020811
San Marcelinomunicipality33,66531,8791.04%416.868118
San Narcisomunicipality28,36026,9660.96%71.6039617
Santa Cruzmunicipality58,15153,8671.47%438.4613325
Subicmunicipality104,77189,7243.00%287.1636516
Zambales Total590,848534,4431.93%3,645.83162230

Economy

According to the Bureau of Local Government Finance, the annual regular revenue of Zambales for the fiscal year of 2016 was 1,098,931,241.67.

details
Fiscal YearAnnual Regular IncomeChange
2009643,966,391.25
2010655,308,121.311.76%
2011741,893,718.4213.21%
2012729,926,753.17-1.61%
2013786,447,180.367.74%
2014894,062,431.9013.68%
2015995,974,062.4111.40%
20161,098,931,241.6710.34%

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 Zambales is 5 to 9, with 85,475 individuals. Conversely, the age group with the lowest population is 80 and over, with 7,003 individuals.

details
Age groupPopulation (2015)
Under 117,647
1 to 471,704
5 to 985,475
10 to 1480,512
15 to 1978,310
20 to 2475,343
25 to 2971,158
30 to 3460,348
35 to 3954,109
40 to 4447,676
45 to 4944,758
50 to 5437,723
55 to 5931,422
60 to 6424,599
65 to 6918,267
70 to 7410,345
75 to 797,489
80 and over7,003
Total823,888

Historical population

The population of Zambales grew from 168,112 in 1960 to 590,848 in 2015, an increase of 422,736 people. The latest census figures in 2015 denote a positive growth rate of 1.93%, or an increase of 56,405 people, from the previous population of 534,443 in 2010.

details
Census datePopulationGrowth rate
59,930
83,7502.14%
106,9451.23%
138,5362.69%
168,1121.72%
235,2493.34%
269,1712.74%
287,6071.33%
369,6652.54%
389,5120.98%
433,5422.32%
493,0851.79%
534,4432.98%
590,8481.93%

National roads

As of December 2016, the National Roads in Zambales as classified by the Department of Public Works and Highways are:

Primary Roads

  • Jose Abad Santos Avenue (JASA)

Secondary Roads

  • Magsaysay Drive
  • Olongapo-Bugallon Road
  • Rizal Avenue

Tertiary Roads

  • Amungan-Palauig-Banlog Road
  • Apo Rotonda Road
  • San Marcelino-Nagbayto Road
  • San Marcelino-San Antonio-San Narciso Road
  • Subic-PHILSECO Road
  • Zambales-Tarlac Road

National rankings

  • Population (2015): 590,848, ranked 50 out of 81
  • Land area (2007): 1,407.66 square kilometers, ranked 35 out of 81
  • Population density (2015): 162 inhabitants per square kilometer, ranked 50 out of 81
  • Annual population growth rate (2010 to 2015): 1.93%, ranked 15 out of 81

Notes

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