Antagan I, Municipality of Tumauini, Province of Isabela
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Cagayan Valley (Region II) |
| Province | Isabela |
| Municipality | Tumauini |
| Postal code | 3325 |
| Population (2020) | 3,293 |
| Philippine major island(s) | Luzon |
| Coordinates | 17.2809, 121.9513 (17° 17' North, 121° 57' East) |
| Estimated elevation above sea level | 291.0 meters (954.7 feet) |
Antagan I is a barangay in the municipality of Tumauini, in the province of Isabela. Its population as determined by the 2020 Census was 3,293. This represented 4.65% of the total population of Tumauini.
Demographics
Households
The household population of Antagan I in the 2015 Census was 3,004 broken down into 723 households or an average of 4.15 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 1,717 | 333 | 5.16 | |
| 2,210 | 441 | 5.01 | |
| 2,375 | 461 | 5.15 | |
| 2,714 | 569 | 4.77 | |
| 2,814 | 616 | 4.57 | |
| 3,004 | 723 | 4.15 |
Population by age group
According to the 2015 Census, the age group with the highest population in Antagan I is 10 to 14, with 339 individuals. Conversely, the age group with the lowest population is 80 and over, with 15 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 62 | 2.06% |
| 1 to 4 | 256 | 8.52% |
| 5 to 9 | 325 | 10.82% |
| 10 to 14 | 339 | 11.28% |
| 15 to 19 | 291 | 9.69% |
| 20 to 24 | 295 | 9.82% |
| 25 to 29 | 248 | 8.26% |
| 30 to 34 | 234 | 7.79% |
| 35 to 39 | 209 | 6.96% |
| 40 to 44 | 162 | 5.39% |
| 45 to 49 | 146 | 4.86% |
| 50 to 54 | 138 | 4.59% |
| 55 to 59 | 104 | 3.46% |
| 60 to 64 | 78 | 2.60% |
| 65 to 69 | 51 | 1.70% |
| 70 to 74 | 32 | 1.07% |
| 75 to 79 | 19 | 0.63% |
| 80 and over | 15 | 0.50% |
| Total | 3,004 | 100.00% |
| ||
Historical population
The population of Antagan I grew from 1,717 in 1990 to 3,293 in 2020, an increase of 1,576 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 1.95%, or an increase of 289 people, from the previous population of 3,004 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| 1,717 | – | |
| 2,210 | 4.84% | |
| 2,375 | 1.56% | |
| 2,714 | 1.86% | |
| 2,814 | 1.33% | |
| 3,004 | 1.25% | |
| 3,293 | 1.95% |
Location
Antagan I is situated at approximately 17.2809, 121.9513, in the island of Luzon. Elevation at these coordinates is estimated at 291.0 meters or 954.7 feet above mean sea level.
Adjacent barangays
Antagan I 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.