Centro‑San Antonio, City of Ilagan, Province of Isabela

Summary data
Typebarangay
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceIsabela
CityIlagan
Postal code3330
Population (2020)4,631
Philippine major island(s)Luzon
Coordinates17.0918, 121.9606 (17° 6' North, 121° 58' East)
Estimated elevation above sea level84.7 meters (277.9 feet)

Centro‑San Antonio is a barangay in the city of Ilagan, in the province of Isabela. Its population as determined by the 2020 Census was 4,631. This represented 2.93% of the total population of Ilagan.

Demographics

Households

The household population of Centro-San Antonio in the 2015 Census was 4,143 broken down into 1,054 households or an average of 3.93 members per household.

details
Number of households in Centro-San Antonio (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
3,1656105.19
3,3306884.84
3,3287184.64
3,7458224.56
3,7398964.17
4,1431,0543.93

Population by age group

According to the 2015 Census, the age group with the highest population in Centro-San Antonio is 5 to 9, with 405 individuals. Conversely, the age group with the lowest population is 80 and over, with 35 individuals.

details
Population of Centro-San Antonio by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1922.22%
1 to 43418.23%
5 to 94059.78%
10 to 143638.76%
15 to 193548.54%
20 to 243678.86%
25 to 293518.47%
30 to 343107.48%
35 to 393247.82%
40 to 443017.27%
45 to 492135.14%
50 to 542115.09%
55 to 591714.13%
60 to 641463.52%
65 to 69691.67%
70 to 74461.11%
75 to 79441.06%
80 and over350.84%
Total4,143100.00%
  • Youth Dependency Ratio: 43.7
  • Old Age Dependency Ratio: 7.06
  • Total Dependency Ratio: 50.76
  • Median Age: 27.13

Historical population

The population of Centro-San Antonio grew from 3,189 in 1990 to 4,631 in 2020, an increase of 1,442 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 2.37%, or an increase of 488 people, from the previous population of 4,143 in 2015.

Population of Centro-San Antonio (1990‑2020)
Census datePopulationGrowth rate
3,189
3,3300.81%
3,3400.06%
3,7451.59%
3,739-0.06%
4,1431.97%
4,6312.37%

Location

Centro‑San Antonio is situated at approximately 17.0918, 121.9606, in the island of Luzon. Elevation at these coordinates is estimated at 84.7 meters or 277.9 feet above mean sea level.


Adjacent barangays

Centro‑San Antonio 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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