Bonga, Municipality of Castilla, Province of Sorsogon
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Bicol Region (Region V) |
| Province | Sorsogon |
| Municipality | Castilla |
| Postal code | 4713 |
| Population (2020) | 1,180 |
| Philippine major island(s) | Luzon |
| Coordinates | 12.9055, 123.8394 (12° 54' North, 123° 50' East) |
| Estimated elevation above sea level | 14.5 meters (47.6 feet) |
Bonga is a barangay in the municipality of Castilla, in the province of Sorsogon. Its population as determined by the 2020 Census was 1,180. This represented 1.95% of the total population of Castilla.
Demographics
Households
The household population of Bonga in the 2015 Census was 1,100 broken down into 242 households or an average of 4.55 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 880 | 154 | 5.71 | |
| 970 | 173 | 5.61 | |
| 912 | 165 | 5.53 | |
| 908 | 172 | 5.28 | |
| 1,044 | 197 | 5.30 | |
| 1,100 | 242 | 4.55 |
Population by age group
According to the 2015 Census, the age group with the highest population in Bonga is 5 to 9, with 155 individuals. Conversely, the age group with the lowest population is 80 and over, with 7 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 38 | 3.45% |
| 1 to 4 | 126 | 11.45% |
| 5 to 9 | 155 | 14.09% |
| 10 to 14 | 113 | 10.27% |
| 15 to 19 | 110 | 10.00% |
| 20 to 24 | 89 | 8.09% |
| 25 to 29 | 74 | 6.73% |
| 30 to 34 | 58 | 5.27% |
| 35 to 39 | 60 | 5.45% |
| 40 to 44 | 53 | 4.82% |
| 45 to 49 | 56 | 5.09% |
| 50 to 54 | 45 | 4.09% |
| 55 to 59 | 38 | 3.45% |
| 60 to 64 | 27 | 2.45% |
| 65 to 69 | 21 | 1.91% |
| 70 to 74 | 14 | 1.27% |
| 75 to 79 | 16 | 1.45% |
| 80 and over | 7 | 0.64% |
| Total | 1,100 | 100.00% |
| ||
Historical population
The population of Bonga grew from 880 in 1990 to 1,180 in 2020, an increase of 300 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.49%, or an increase of 80 people, from the previous population of 1,100 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 880 | – | |
| 970 | 1.84% | |
| 912 | -1.31% | |
| 908 | -0.06% | |
| 1,044 | 5.21% | |
| 1,100 | 1.00% | |
| 1,180 | 1.49% |
Location
Bonga is situated at approximately 12.9055, 123.8394, in the island of Luzon. Elevation at these coordinates is estimated at 14.5 meters or 47.6 feet above mean sea level.
Adjacent barangays
Bonga 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.