Bianuan, Municipality of Casiguran, Province of Aurora
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Central Luzon (Region III) |
| Province | Aurora |
| Municipality | Casiguran |
| Postal code | 3204 |
| Population (2020) | 3,770 |
| Philippine major island(s) | Luzon |
| Coordinates | 16.2804, 121.9657 (16° 17' North, 121° 58' East) |
| Estimated elevation above sea level | 988.3 meters (3,242.4 feet) |
Bianuan is a barangay in the municipality of Casiguran, in the province of Aurora. Its population as determined by the 2020 Census was 3,770. This represented 14.19% of the total population of Casiguran.
Demographics
Households
The household population of Bianuan in the 2015 Census was 3,438 broken down into 833 households or an average of 4.13 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 3,600 | 625 | 5.76 | |
| 3,146 | 610 | 5.16 | |
| 3,556 | 698 | 5.09 | |
| 3,679 | 728 | 5.05 | |
| 3,431 | 768 | 4.47 | |
| 3,438 | 833 | 4.13 |
Population by age group
According to the 2015 Census, the age group with the highest population in Bianuan is 10 to 14, with 432 individuals. Conversely, the age group with the lowest population is 75 to 79, with 44 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 70 | 2.03% |
| 1 to 4 | 318 | 9.24% |
| 5 to 9 | 389 | 11.30% |
| 10 to 14 | 432 | 12.55% |
| 15 to 19 | 363 | 10.54% |
| 20 to 24 | 217 | 6.30% |
| 25 to 29 | 228 | 6.62% |
| 30 to 34 | 178 | 5.17% |
| 35 to 39 | 185 | 5.37% |
| 40 to 44 | 194 | 5.63% |
| 45 to 49 | 210 | 6.10% |
| 50 to 54 | 184 | 5.34% |
| 55 to 59 | 132 | 3.83% |
| 60 to 64 | 96 | 2.79% |
| 65 to 69 | 85 | 2.47% |
| 70 to 74 | 66 | 1.92% |
| 75 to 79 | 44 | 1.28% |
| 80 and over | 52 | 1.51% |
| Total | 3,443 | 100.00% |
| ||
Historical population
The population of Bianuan grew from 3,600 in 1990 to 3,770 in 2020, an increase of 170 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.93%, or an increase of 327 people, from the previous population of 3,443 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 3,600 | – | |
| 3,166 | -2.38% | |
| 3,556 | 2.52% | |
| 3,679 | 0.47% | |
| 3,440 | -2.42% | |
| 3,443 | 0.02% | |
| 3,770 | 1.93% |
Location
Bianuan is situated at approximately 16.2804, 121.9657, in the island of Luzon. Elevation at these coordinates is estimated at 988.3 meters or 3,242.4 feet above mean sea level.
Adjacent barangays
Bianuan 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.