Biak‑na‑Bato, Municipality of San Miguel, Province of Bulacan
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Central Luzon (Region III) |
| Province | Bulacan |
| Municipality | San Miguel |
| Postal code | 3011 |
| Population (2020) | 2,433 |
| Philippine major island(s) | Luzon |
| Coordinates | 15.1311, 121.0594 (15° 8' North, 121° 4' East) |
| Estimated elevation above sea level | 62.5 meters (205.1 feet) |
Biak‑na‑Bato is a barangay in the municipality of San Miguel, in the province of Bulacan. Its population as determined by the 2020 Census was 2,433. This represented 1.41% of the total population of San Miguel.
Demographics
Households
The household population of Biak-na-Bato in the 2015 Census was 1,735 broken down into 392 households or an average of 4.43 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 529 | 102 | 5.19 | |
| 611 | 125 | 4.89 | |
| 938 | 177 | 5.30 | |
| 1,192 | 238 | 5.01 | |
| 1,630 | 342 | 4.77 | |
| 1,735 | 392 | 4.43 |
Population by age group
According to the 2015 Census, the age group with the highest population in Biak-na-Bato is 5 to 9, with 209 individuals. Conversely, the age groups with the lowest population are in the ranges 75 to 79, and 80 and over, with 6 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 41 | 2.36% |
| 1 to 4 | 191 | 11.00% |
| 5 to 9 | 209 | 12.03% |
| 10 to 14 | 203 | 11.69% |
| 15 to 19 | 206 | 11.86% |
| 20 to 24 | 172 | 9.90% |
| 25 to 29 | 132 | 7.60% |
| 30 to 34 | 113 | 6.51% |
| 35 to 39 | 114 | 6.56% |
| 40 to 44 | 95 | 5.47% |
| 45 to 49 | 83 | 4.78% |
| 50 to 54 | 51 | 2.94% |
| 55 to 59 | 58 | 3.34% |
| 60 to 64 | 29 | 1.67% |
| 65 to 69 | 12 | 0.69% |
| 70 to 74 | 16 | 0.92% |
| 75 to 79 | 6 | 0.35% |
| 80 and over | 6 | 0.35% |
| Total | 1,737 | 100.00% |
| ||
Historical population
The population of Biak-na-Bato grew from 529 in 1990 to 2,433 in 2020, an increase of 1,904 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 7.35%, or an increase of 696 people, from the previous population of 1,737 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| 529 | – | |
| 611 | 2.74% | |
| 938 | 9.63% | |
| 1,192 | 3.36% | |
| 1,631 | 12.09% | |
| 1,737 | 1.21% | |
| 2,433 | 7.35% |
Location
Biak‑na‑Bato is situated at approximately 15.1311, 121.0594, in the island of Luzon. Elevation at these coordinates is estimated at 62.5 meters or 205.1 feet above mean sea level.
Adjacent barangays
Biak‑na‑Bato 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.