Bulawan, Municipality of Irosin, Province of Sorsogon
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Bicol Region (Region V) |
| Province | Sorsogon |
| Municipality | Irosin |
| Postal code | 4707 |
| Population (2020) | 1,203 |
| Philippine major island(s) | Luzon |
| Coordinates | 12.7303, 123.9675 (12° 44' North, 123° 58' East) |
| Estimated elevation above sea level | 38.3 meters (125.7 feet) |
Bulawan is a barangay in the municipality of Irosin, in the province of Sorsogon. Its population as determined by the 2020 Census was 1,203. This represented 2.03% of the total population of Irosin.
Demographics
Households
The household population of Bulawan in the 2015 Census was 1,149 broken down into 244 households or an average of 4.71 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 588 | 100 | 5.88 | |
| 753 | 149 | 5.05 | |
| 821 | 163 | 5.04 | |
| 886 | 176 | 5.03 | |
| 1,037 | 204 | 5.08 | |
| 1,149 | 244 | 4.71 |
Population by age group
According to the 2015 Census, the age group with the highest population in Bulawan is 10 to 14, with 151 individuals. Conversely, the age group with the lowest population is 75 to 79, with 8 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 33 | 2.87% |
| 1 to 4 | 136 | 11.84% |
| 5 to 9 | 150 | 13.05% |
| 10 to 14 | 151 | 13.14% |
| 15 to 19 | 114 | 9.92% |
| 20 to 24 | 84 | 7.31% |
| 25 to 29 | 83 | 7.22% |
| 30 to 34 | 69 | 6.01% |
| 35 to 39 | 74 | 6.44% |
| 40 to 44 | 58 | 5.05% |
| 45 to 49 | 54 | 4.70% |
| 50 to 54 | 38 | 3.31% |
| 55 to 59 | 30 | 2.61% |
| 60 to 64 | 31 | 2.70% |
| 65 to 69 | 12 | 1.04% |
| 70 to 74 | 14 | 1.22% |
| 75 to 79 | 8 | 0.70% |
| 80 and over | 10 | 0.87% |
| Total | 1,149 | 100.00% |
| ||
Historical population
The population of Bulawan grew from 588 in 1990 to 1,203 in 2020, an increase of 615 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 0.97%, or an increase of 54 people, from the previous population of 1,149 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| 588 | – | |
| 753 | 4.74% | |
| 821 | 1.87% | |
| 886 | 1.06% | |
| 1,037 | 5.90% | |
| 1,149 | 1.97% | |
| 1,203 | 0.97% |
Location
Bulawan is situated at approximately 12.7303, 123.9675, in the island of Luzon. Elevation at these coordinates is estimated at 38.3 meters or 125.7 feet above mean sea level.
Adjacent barangays
Bulawan 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.