Asilang, Municipality of San Juan, Province of Ilocos Sur
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Ilocos Region (Region I) |
| Province | Ilocos Sur |
| Municipality | San Juan |
| Postal code | 2731 |
| Population (2020) | 443 |
| Philippine major island(s) | Luzon |
| Coordinates | 17.7115, 120.4842 (17° 43' North, 120° 29' East) |
| Estimated elevation above sea level | 59.4 meters (194.9 feet) |
Asilang is a barangay in the municipality of San Juan, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 443. This represented 1.66% of the total population of San Juan.
Demographics
Households
The household population of Asilang in the 2015 Census was 265 broken down into 71 households or an average of 3.73 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 225 | 49 | 4.59 | |
| 251 | 56 | 4.48 | |
| 232 | 59 | 3.93 | |
| 226 | 59 | 3.83 | |
| 257 | 69 | 3.72 | |
| 265 | 71 | 3.73 |
Population by age group
According to the 2015 Census, the age group with the highest population in Asilang is 5 to 9, with 31 individuals. Conversely, the age group with the lowest population is Under 1, with 3 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 3 | 1.13% |
| 1 to 4 | 28 | 10.57% |
| 5 to 9 | 31 | 11.70% |
| 10 to 14 | 23 | 8.68% |
| 15 to 19 | 17 | 6.42% |
| 20 to 24 | 18 | 6.79% |
| 25 to 29 | 24 | 9.06% |
| 30 to 34 | 18 | 6.79% |
| 35 to 39 | 12 | 4.53% |
| 40 to 44 | 13 | 4.91% |
| 45 to 49 | 17 | 6.42% |
| 50 to 54 | 10 | 3.77% |
| 55 to 59 | 15 | 5.66% |
| 60 to 64 | 10 | 3.77% |
| 65 to 69 | 6 | 2.26% |
| 70 to 74 | 6 | 2.26% |
| 75 to 79 | 10 | 3.77% |
| 80 and over | 4 | 1.51% |
| Total | 265 | 100.00% |
| ||
Historical population
The population of Asilang grew from 225 in 1990 to 443 in 2020, an increase of 218 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 11.42%, or an increase of 178 people, from the previous population of 265 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| 225 | – | |
| 251 | 2.07% | |
| 232 | -1.67% | |
| 226 | -0.36% | |
| 257 | 4.79% | |
| 265 | 0.59% | |
| 443 | 11.42% |
Location
Asilang is situated at approximately 17.7115, 120.4842, in the island of Luzon. Elevation at these coordinates is estimated at 59.4 meters or 194.9 feet above mean sea level.
Adjacent barangays
Asilang 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.