Calay‑ab, Municipality of Santo Domingo, Province of Ilocos Sur
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Ilocos Region (Region I) |
| Province | Ilocos Sur |
| Municipality | Santo Domingo |
| Postal code | 2729 |
| Population (2020) | 860 |
| Philippine major island(s) | Luzon |
| Coordinates | 17.6465, 120.3689 (17° 39' North, 120° 22' East) |
| Estimated elevation above sea level | 13.1 meters (43.0 feet) |
Calay‑ab is a barangay in the municipality of Santo Domingo, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 860. This represented 2.96% of the total population of Santo Domingo.
Demographics
Households
The household population of Calay-ab in the 2015 Census was 821 broken down into 193 households or an average of 4.25 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 546 | 113 | 4.83 | |
| 598 | 123 | 4.86 | |
| 690 | 137 | 5.04 | |
| 720 | 158 | 4.56 | |
| 823 | 182 | 4.52 | |
| 821 | 193 | 4.25 |
Population by age group
According to the 2015 Census, the age group with the highest population in Calay-ab is 15 to 19, with 90 individuals. Conversely, the age group with the lowest population is Under 1, with 6 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 6 | 0.73% |
| 1 to 4 | 53 | 6.46% |
| 5 to 9 | 76 | 9.26% |
| 10 to 14 | 76 | 9.26% |
| 15 to 19 | 90 | 10.96% |
| 20 to 24 | 79 | 9.62% |
| 25 to 29 | 53 | 6.46% |
| 30 to 34 | 59 | 7.19% |
| 35 to 39 | 50 | 6.09% |
| 40 to 44 | 52 | 6.33% |
| 45 to 49 | 42 | 5.12% |
| 50 to 54 | 62 | 7.55% |
| 55 to 59 | 28 | 3.41% |
| 60 to 64 | 34 | 4.14% |
| 65 to 69 | 17 | 2.07% |
| 70 to 74 | 13 | 1.58% |
| 75 to 79 | 16 | 1.95% |
| 80 and over | 15 | 1.83% |
| Total | 821 | 100.00% |
| ||
Historical population
The population of Calay-ab grew from 546 in 1990 to 860 in 2020, an increase of 314 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 0.98%, or an increase of 39 people, from the previous population of 821 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 546 | – | |
| 598 | 1.72% | |
| 690 | 3.12% | |
| 720 | 0.59% | |
| 823 | 4.99% | |
| 821 | -0.05% | |
| 860 | 0.98% |
Location
Calay‑ab is situated at approximately 17.6465, 120.3689, in the island of Luzon. Elevation at these coordinates is estimated at 13.1 meters or 43.0 feet above mean sea level.
Adjacent barangays
Calay‑ab 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.