Alwa, Municipality of Palauig, Province of Zambales
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Central Luzon (Region III) |
| Province | Zambales |
| Municipality | Palauig |
| Postal code | 2210 |
| Population (2020) | 820 |
| Philippine major island(s) | Luzon |
| Coordinates | 15.4189, 119.9126 (15° 25' North, 119° 55' East) |
| Estimated elevation above sea level | 8.9 meters (29.2 feet) |
Alwa is a barangay in the municipality of Palauig, in the province of Zambales. Its population as determined by the 2020 Census was 820. This represented 2.06% of the total population of Palauig.
Demographics
Households
The household population of Alwa in the 2015 Census was 672 broken down into 181 households or an average of 3.71 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 523 | 93 | 5.62 | |
| 522 | 105 | 4.97 | |
| 548 | 114 | 4.81 | |
| 593 | 162 | 3.66 | |
| 520 | 130 | 4.00 | |
| 672 | 181 | 3.71 |
Population by age group
According to the 2015 Census, the age group with the highest population in Alwa is 5 to 9, with 76 individuals. Conversely, the age group with the lowest population is 75 to 79, with 5 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 16 | 2.38% |
| 1 to 4 | 56 | 8.33% |
| 5 to 9 | 76 | 11.31% |
| 10 to 14 | 62 | 9.23% |
| 15 to 19 | 57 | 8.48% |
| 20 to 24 | 51 | 7.59% |
| 25 to 29 | 47 | 6.99% |
| 30 to 34 | 39 | 5.80% |
| 35 to 39 | 51 | 7.59% |
| 40 to 44 | 35 | 5.21% |
| 45 to 49 | 32 | 4.76% |
| 50 to 54 | 30 | 4.46% |
| 55 to 59 | 45 | 6.70% |
| 60 to 64 | 30 | 4.46% |
| 65 to 69 | 23 | 3.42% |
| 70 to 74 | 8 | 1.19% |
| 75 to 79 | 5 | 0.74% |
| 80 and over | 9 | 1.34% |
| Total | 672 | 100.00% |
| ||
Historical population
The population of Alwa grew from 523 in 1990 to 820 in 2020, an increase of 297 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 4.28%, or an increase of 148 people, from the previous population of 672 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| 523 | – | |
| 522 | -0.04% | |
| 548 | 1.05% | |
| 593 | 1.09% | |
| 520 | -4.67% | |
| 672 | 5.00% | |
| 820 | 4.28% |
Location
Alwa is situated at approximately 15.4189, 119.9126, in the island of Luzon. Elevation at these coordinates is estimated at 8.9 meters or 29.2 feet above mean sea level.
Adjacent barangays
Alwa 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.