San Gregorio, Municipality of San Antonio, Province of Zambales

Summary data
Typebarangay
Island groupLuzon
RegionCentral Luzon (Region III)
ProvinceZambales
MunicipalitySan Antonio
Postal code2206
Population (2020)1,013
Philippine major island(s)Luzon
Coordinates14.9511, 120.0858 (14° 57' North, 120° 5' East)
Estimated elevation above sea level15.7 meters (51.5 feet)

San Gregorio, formerly Poblacion, is a barangay in the municipality of San Antonio, in the province of Zambales. Its population as determined by the 2020 Census was 1,013. This represented 2.70% of the total population of San Antonio.

Demographics

Households

The household population of San Gregorio in the 2015 Census was 931 broken down into 242 households or an average of 3.85 members per household.

details
Number of households in San Gregorio (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,1892664.47
1,0312454.21
1,1062793.96
1,0522643.98
9902633.76
9312423.85

Population by age group

According to the 2015 Census, the age group with the highest population in San Gregorio is 1 to 4, with 89 individuals. Conversely, the age group with the lowest population is 70 to 74, with 12 individuals.

details
Population of San Gregorio by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1192.04%
1 to 4899.56%
5 to 9586.23%
10 to 14758.06%
15 to 19808.59%
20 to 24656.98%
25 to 29515.48%
30 to 34687.30%
35 to 39626.66%
40 to 44717.63%
45 to 49707.52%
50 to 54444.73%
55 to 59414.40%
60 to 64464.94%
65 to 69343.65%
70 to 74121.29%
75 to 79202.15%
80 and over262.79%
Total931100.00%
  • Youth Dependency Ratio: 40.3
  • Old Age Dependency Ratio: 15.38
  • Total Dependency Ratio: 55.68
  • Median Age: 32.10

Historical population

The population of San Gregorio fell from 1,189 in 1990 to 1,013 in 2020, a decrease of 176 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.79%, or an increase of 82 people, from the previous population of 931 in 2015.

Population of San Gregorio (1990‑2020)
Census datePopulationGrowth rate
1,189
1,031-2.64%
1,1061.52%
1,052-0.69%
990-2.19%
931-1.16%
1,0131.79%

Location

San Gregorio is situated at approximately 14.9511, 120.0858, in the island of Luzon. Elevation at these coordinates is estimated at 15.7 meters or 51.5 feet above mean sea level.


Adjacent barangays

San Gregorio shares a common border with the following barangay(s):

Notes

  1. Data on population, and households, are from the Philippine Statistics Authority.
  2. Postal code information is from the Philippine Postal Corporation.
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