Ibujan, 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) | 732 |
| Philippine major island(s) | Luzon |
| Coordinates | 16.8254, 122.0571 (16° 50' North, 122° 3' East) |
| Estimated elevation above sea level | 189.9 meters (623.0 feet) |
Ibujan is a barangay in the municipality of San Mariano, in the province of Isabela. Its population as determined by the 2020 Census was 732. This represented 1.22% of the total population of San Mariano.
Demographics
Households
The household population of Ibujan in the 2015 Census was 814 broken down into 165 households or an average of 4.93 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 449 | 84 | 5.35 | |
| 490 | 92 | 5.33 | |
| 527 | 87 | 6.06 | |
| 688 | 132 | 5.21 | |
| 817 | 155 | 5.27 | |
| 814 | 165 | 4.93 |
Population by age group
According to the 2015 Census, the age group with the highest population in Ibujan is 5 to 9, with 126 individuals. Conversely, the age group with the lowest population is 80 and over, with 4 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 14 | 1.72% |
| 1 to 4 | 92 | 11.30% |
| 5 to 9 | 126 | 15.48% |
| 10 to 14 | 107 | 13.14% |
| 15 to 19 | 86 | 10.57% |
| 20 to 24 | 65 | 7.99% |
| 25 to 29 | 48 | 5.90% |
| 30 to 34 | 62 | 7.62% |
| 35 to 39 | 53 | 6.51% |
| 40 to 44 | 42 | 5.16% |
| 45 to 49 | 26 | 3.19% |
| 50 to 54 | 32 | 3.93% |
| 55 to 59 | 14 | 1.72% |
| 60 to 64 | 19 | 2.33% |
| 65 to 69 | 9 | 1.11% |
| 70 to 74 | 6 | 0.74% |
| 75 to 79 | 9 | 1.11% |
| 80 and over | 4 | 0.49% |
| Total | 814 | 100.00% |
| ||
Historical population
The population of Ibujan grew from 449 in 1990 to 732 in 2020, an increase of 283 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 2.21%, or a decrease of 82 people, from the previous population of 814 in 2015.
Trends in population growth
| Census date | Population | Growth rate |
|---|---|---|
| 449 | – | |
| 490 | 1.65% | |
| 527 | 1.57% | |
| 688 | 3.75% | |
| 817 | 6.46% | |
| 814 | -0.07% | |
| 732 | -2.21% |
Location
Ibujan is situated at approximately 16.8254, 122.0571, in the island of Luzon. Elevation at these coordinates is estimated at 189.9 meters or 623.0 feet above mean sea level.
Adjacent barangays
Ibujan 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.