San Antonio, Municipality of Piddig, Province of Ilocos Norte
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Ilocos Region (Region I) |
| Province | Ilocos Norte |
| Municipality | Piddig |
| Postal code | 2912 |
| Population (2020) | 706 |
| Philippine major island(s) | Luzon |
| Coordinates | 18.1390, 120.8035 (18° 8' North, 120° 48' East) |
| Estimated elevation above sea level | 119.1 meters (390.7 feet) |
San Antonio is a barangay in the municipality of Piddig, in the province of Ilocos Norte. Its population as determined by the 2020 Census was 706. This represented 3.14% of the total population of Piddig.
Demographics
Households
The household population of San Antonio in the 2015 Census was 700 broken down into 177 households or an average of 3.95 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 776 | 154 | 5.04 | |
| 820 | 175 | 4.69 | |
| 693 | 145 | 4.78 | |
| 561 | 133 | 4.22 | |
| 664 | 157 | 4.23 | |
| 700 | 177 | 3.95 |
Population by age group
According to the 2015 Census, the age group with the highest population in San Antonio is 10 to 14, with 73 individuals. Conversely, the age group with the lowest population is Under 1, with 5 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 5 | 0.71% |
| 1 to 4 | 38 | 5.43% |
| 5 to 9 | 61 | 8.71% |
| 10 to 14 | 73 | 10.43% |
| 15 to 19 | 68 | 9.71% |
| 20 to 24 | 58 | 8.29% |
| 25 to 29 | 58 | 8.29% |
| 30 to 34 | 53 | 7.57% |
| 35 to 39 | 47 | 6.71% |
| 40 to 44 | 35 | 5.00% |
| 45 to 49 | 40 | 5.71% |
| 50 to 54 | 39 | 5.57% |
| 55 to 59 | 31 | 4.43% |
| 60 to 64 | 25 | 3.57% |
| 65 to 69 | 25 | 3.57% |
| 70 to 74 | 21 | 3.00% |
| 75 to 79 | 13 | 1.86% |
| 80 and over | 10 | 1.43% |
| Total | 700 | 100.00% |
| ||
Historical population
The population of San Antonio fell from 776 in 1990 to 706 in 2020, a decrease of 70 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 0.18%, or an increase of 6 people, from the previous population of 700 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| 776 | – | |
| 820 | 1.04% | |
| 693 | -3.54% | |
| 561 | -2.87% | |
| 664 | 6.33% | |
| 700 | 1.01% | |
| 706 | 0.18% |
Location
San Antonio is situated at approximately 18.1390, 120.8035, in the island of Luzon. Elevation at these coordinates is estimated at 119.1 meters or 390.7 feet above mean sea level.
Adjacent barangays
San Antonio shares a common border with the following barangay(s):
Notes
- Data on population, and households, are from the Philippine Statistics Authority.
- Postal code information is from the Philippine Postal Corporation.