Buyasan, Municipality of San Mariano, Province of Isabela
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Cagayan Valley (Region II) |
| Province | Isabela |
| Municipality | San Mariano |
| Postal code | 3332 |
| Population (2020) | 814 |
| Philippine major island(s) | Luzon |
| Coordinates | 16.8036, 122.0624 (16° 48' North, 122° 4' East) |
| Estimated elevation above sea level | 123.6 meters (405.5 feet) |
Buyasan is a barangay in the municipality of San Mariano, in the province of Isabela. Its population as determined by the 2020 Census was 814. This represented 1.35% of the total population of San Mariano.
Demographics
Households
The household population of Buyasan in the 2015 Census was 722 broken down into 142 households or an average of 5.08 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 435 | 91 | 4.78 | |
| 456 | 91 | 5.01 | |
| 568 | 101 | 5.62 | |
| 705 | 130 | 5.42 | |
| 781 | 146 | 5.35 | |
| 722 | 142 | 5.08 |
Population by age group
According to the 2015 Census, the age group with the highest population in Buyasan is 5 to 9, with 103 individuals. Conversely, the age group with the lowest population is 75 to 79, with 1 individual.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 14 | 1.94% |
| 1 to 4 | 95 | 13.16% |
| 5 to 9 | 103 | 14.27% |
| 10 to 14 | 80 | 11.08% |
| 15 to 19 | 94 | 13.02% |
| 20 to 24 | 63 | 8.73% |
| 25 to 29 | 57 | 7.89% |
| 30 to 34 | 48 | 6.65% |
| 35 to 39 | 39 | 5.40% |
| 40 to 44 | 37 | 5.12% |
| 45 to 49 | 28 | 3.88% |
| 50 to 54 | 26 | 3.60% |
| 55 to 59 | 15 | 2.08% |
| 60 to 64 | 7 | 0.97% |
| 65 to 69 | 10 | 1.39% |
| 70 to 74 | 2 | 0.28% |
| 75 to 79 | 1 | 0.14% |
| 80 and over | 3 | 0.42% |
| Total | 722 | 100.00% |
| ||
Historical population
The population of Buyasan grew from 435 in 1990 to 814 in 2020, an increase of 379 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 2.56%, or an increase of 92 people, from the previous population of 722 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 435 | – | |
| 456 | 0.89% | |
| 568 | 4.82% | |
| 705 | 3.02% | |
| 781 | 3.80% | |
| 722 | -1.48% | |
| 814 | 2.56% |
Location
Buyasan is situated at approximately 16.8036, 122.0624, in the island of Luzon. Elevation at these coordinates is estimated at 123.6 meters or 405.5 feet above mean sea level.
Adjacent barangays
Buyasan 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.