Ilwas, Municipality of Subic, Province of Zambales
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Central Luzon (Region III) |
| Province | Zambales |
| Municipality | Subic |
| Postal code | 2209 |
| Population (2020) | 2,953 |
| Philippine major island(s) | Luzon |
| Coordinates | 14.8821, 120.2364 (14° 53' North, 120° 14' East) |
| Estimated elevation above sea level | 10.0 meters (32.8 feet) |
Ilwas, formerly Poblacion, is a barangay in the municipality of Subic, in the province of Zambales. Its population as determined by the 2020 Census was 2,953. This represented 2.64% of the total population of Subic.
Demographics
Households
The household population of Ilwas in the 2015 Census was 3,226 broken down into 798 households or an average of 4.04 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 2,740 | 528 | 5.19 | |
| 3,073 | 638 | 4.82 | |
| 3,017 | 643 | 4.69 | |
| 2,585 | 569 | 4.54 | |
| 3,153 | 694 | 4.54 | |
| 3,226 | 798 | 4.04 |
Population by age group
According to the 2015 Census, the age group with the highest population in Ilwas is 5 to 9, with 319 individuals. Conversely, the age group with the lowest population is 80 and over, with 24 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 66 | 2.05% |
| 1 to 4 | 247 | 7.66% |
| 5 to 9 | 319 | 9.89% |
| 10 to 14 | 279 | 8.65% |
| 15 to 19 | 301 | 9.33% |
| 20 to 24 | 314 | 9.73% |
| 25 to 29 | 280 | 8.68% |
| 30 to 34 | 260 | 8.06% |
| 35 to 39 | 234 | 7.25% |
| 40 to 44 | 196 | 6.08% |
| 45 to 49 | 164 | 5.08% |
| 50 to 54 | 172 | 5.33% |
| 55 to 59 | 129 | 4.00% |
| 60 to 64 | 99 | 3.07% |
| 65 to 69 | 76 | 2.36% |
| 70 to 74 | 35 | 1.08% |
| 75 to 79 | 31 | 0.96% |
| 80 and over | 24 | 0.74% |
| Total | 3,226 | 100.00% |
| ||
Historical population
The population of Ilwas grew from 2,750 in 1990 to 2,953 in 2020, an increase of 203 people over the course of 30 years. The latest census figures in 2020 denote a negative annualized growth rate of 1.84%, or a decrease of 273 people, from the previous population of 3,226 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| 2,750 | – | |
| 3,089 | 2.20% | |
| 3,017 | -0.50% | |
| 2,585 | -2.11% | |
| 3,179 | 7.82% | |
| 3,226 | 0.28% | |
| 2,953 | -1.84% |
Location
Ilwas is situated at approximately 14.8821, 120.2364, in the island of Luzon. Elevation at these coordinates is estimated at 10.0 meters or 32.8 feet above mean sea level.
Adjacent barangays
Ilwas 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.