Bulag, Municipality of Bantay, Province of Ilocos Sur
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Ilocos Region (Region I) |
| Province | Ilocos Sur |
| Municipality | Bantay |
| Postal code | 2727 |
| Population (2020) | 2,765 |
| Philippine major island(s) | Luzon |
| Coordinates | 17.5910, 120.4257 (17° 35' North, 120° 26' East) |
| Estimated elevation above sea level | 12.8 meters (42.0 feet) |
Bulag is a barangay in the municipality of Bantay, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 2,765. This represented 7.45% of the total population of Bantay.
Demographics
Households
The household population of Bulag in the 2015 Census was 2,568 broken down into 629 households or an average of 4.08 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 2,070 | 394 | 5.25 | |
| 2,291 | 431 | 5.32 | |
| 2,344 | 468 | 5.01 | |
| 2,377 | 503 | 4.73 | |
| 2,412 | 561 | 4.30 | |
| 2,568 | 629 | 4.08 |
Population by age group
According to the 2015 Census, the age group with the highest population in Bulag is 10 to 14, with 231 individuals. Conversely, the age group with the lowest population is Under 1, with 36 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 36 | 1.40% |
| 1 to 4 | 192 | 7.48% |
| 5 to 9 | 210 | 8.18% |
| 10 to 14 | 231 | 9.00% |
| 15 to 19 | 216 | 8.41% |
| 20 to 24 | 225 | 8.76% |
| 25 to 29 | 201 | 7.83% |
| 30 to 34 | 191 | 7.44% |
| 35 to 39 | 193 | 7.52% |
| 40 to 44 | 167 | 6.50% |
| 45 to 49 | 135 | 5.26% |
| 50 to 54 | 134 | 5.22% |
| 55 to 59 | 126 | 4.91% |
| 60 to 64 | 81 | 3.15% |
| 65 to 69 | 71 | 2.76% |
| 70 to 74 | 59 | 2.30% |
| 75 to 79 | 48 | 1.87% |
| 80 and over | 52 | 2.02% |
| Total | 2,568 | 100.00% |
| ||
Historical population
The population of Bulag grew from 2,073 in 1990 to 2,765 in 2020, an increase of 692 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 1.57%, or an increase of 197 people, from the previous population of 2,568 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| 2,073 | – | |
| 2,291 | 1.89% | |
| 2,348 | 0.53% | |
| 2,377 | 0.17% | |
| 2,412 | 0.53% | |
| 2,568 | 1.20% | |
| 2,765 | 1.57% |
Location
Bulag is situated at approximately 17.5910, 120.4257, in the island of Luzon. Elevation at these coordinates is estimated at 12.8 meters or 42.0 feet above mean sea level.
Adjacent barangays
Bulag 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.