San Antonio, Province of Zambales

Summary data
Typemunicipality
Island groupLuzon
RegionCentral Luzon (Region III)
ProvinceZambales
Barangay count14
Postal code2206
Coastal/Landlockedcoastal
Marine waterbodiesSouth China Sea
Philippine major island(s)Luzon
Area (2013)188.12 km2 (72.63 sq mi)
Population (2020)37,450
Density (2020)199 / km2 (516 / sq mi)
Coordinates14° 57' North, 120° 5' East (14.9488, 120.0889)
Estimated elevation above sea level17.0 meters (55.8 feet)

San Antonio is a coastal municipality in the province of Zambales.

The municipality has a land area of 188.12 square kilometers or 72.63 square miles which constitutes 5.18% of Zambales's total area. Its population as determined by the 2020 Census was 37,450. This represented 5.76% of the total population of Zambales province, or 0.30% of the overall population of the Central Luzon region. Based on these figures, the population density is computed at 199 inhabitants per square kilometer or 516 inhabitants per square mile.

Barangays

San Antonio has 14 barangays as shown in the following table.

Demographic profile of barangays
Local government units of San Antonio
BarangayPopulation percentage (2020)Population (2020)Population (2015)Change (2015‑2020)Annual Population Growth Rate (2015‑2020)
Angeles5.70%2,1361,85415.21%3.03%
Antipolo5.18%1,9401,7659.92%2.01%
Burgos15.75%5,8985,21513.10%2.62%
East Dirita10.29%3,8523,5737.81%1.60%
Luna7.14%2,6752,792-4.19%-0.90%
Pundaquit9.28%3,4762,87820.78%4.05%
Rizal1.22%456568-19.72%-4.52%
San Esteban4.46%1,6711,5259.57%1.94%
San Gregorio2.70%1,0139318.81%1.79%
San Juan4.36%1,6341,645-0.67%-0.14%
San Miguel10.89%4,0794,322-5.62%-1.21%
San Nicolas8.61%3,2232,9339.89%2.00%
Santiago4.14%1,5521,5132.58%0.54%
West Dirita10.27%3,8453,14722.18%4.31%
San Antonio Total37,45034,6618.05%1.64%

Economy

The annual regular revenue of San Antonio for the fiscal year of 2016 was 131,475,753.67.

details
Annual regular income of San Antonio (2009‑2016)
Fiscal YearAnnual Regular IncomeChange
200972,630,005.66
201076,876,212.955.85%
201181,802,350.616.41%
201280,433,364.25-1.67%
201390,327,411.7112.30%
2014102,863,111.5413.88%
2015118,603,173.1015.30%
2016131,475,753.6710.85%

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

Households

The household population of San Antonio in the 2015 Census was 34,559 broken down into 8,709 households or an average of 3.97 members per household.

details
Number of households in San Antonio (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
26,8475,8004.63
25,6775,7894.44
28,1586,4834.34
32,1517,4124.34
33,9638,2164.13
34,5598,7093.97

Population by age group

According to the 2015 Census, the age group with the highest population in San Antonio is 5 to 9, with 3,435 individuals. Conversely, the age groups with the lowest population are in the ranges 75 to 79, and 80 and over, with 422 individuals.

details
Population of San Antonio by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 17352.12%
1 to 42,8928.34%
5 to 93,4359.91%
10 to 143,1919.21%
15 to 193,1018.95%
20 to 242,8208.14%
25 to 292,6657.69%
30 to 342,4537.08%
35 to 392,1796.29%
40 to 442,1626.24%
45 to 492,1206.12%
50 to 541,8295.28%
55 to 591,5784.55%
60 to 641,2433.59%
65 to 699192.65%
70 to 744951.43%
75 to 794221.22%
80 and over4221.22%
Total34,661100.00%
  • Youth Dependency Ratio: 46.29
  • Old Age Dependency Ratio: 10.19
  • Total Dependency Ratio: 56.48
  • Median Age: 27.17

Historical population

The population of San Antonio grew from 4,524 in 1903 to 37,450 in 2020, an increase of 32,926 people over the course of 117 years. The latest census figures in 2020 denote a positive growth rate of 1.64%, or an increase of 2,789 people, from the previous population of 34,661 in 2015.

details
Population of San Antonio (1903‑2020)
Census datePopulationGrowth rate
4,524
6,0451.85%
6,6370.47%
8,3812.42%
11,5962.90%
18,0484.42%
21,0993.18%
22,3821.19%
26,9441.87%
25,765-0.83%
28,2481.99%
32,4941.95%
34,2171.90%
34,6610.25%
37,4501.64%

The total number of registered voters or electorate in San Antonio for the year 2019 was 22,224, broken down into 10,533 males and 11,691 females.

Location

The municipal center of San Antonio is situated at approximately 14° 57' North, 120° 5' East, in the island of Luzon. Elevation at these coordinates is estimated at 17.0 meters or 55.8 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 San Antonio are Olongapo, Balanga, Bataan, Angeles, Mabalacat, Pampanga, San Fernando, Pampanga, and Malolos, Bulacan. The nearest municipalities are San Narciso, Zambales, San Marcelino, Zambales, Castillejos, Zambales, San Felipe, Zambales, Subic, Zambales, and Cabangan, Zambales. Its distance from the national capital is 103.79 kilometers (64.49 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

  • Olongapo, 24.64 kilometers (15.31 miles) to the East‑Southeast (S58°E)
  • Balanga, Bataan, 57.05 kilometers (35.45 miles) to the East‑Southeast (S58°E)
  • Angeles, 57.67 kilometers (35.84 miles) to the East‑Northeast (N68°E)
  • Mabalacat, Pampanga, 60.37 kilometers (37.51 miles) to the East‑Northeast (N60°E)
  • San Fernando, Pampanga, 65.56 kilometers (40.74 miles) to the East (N82°E)
  • Malolos, Bulacan, 78.68 kilometers (48.89 miles) to the East (S81°E)

Distance from Manila: 103.79 kilometers (64.49 miles) to the East‑Southeast (S68°E)

Notes

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