Nalasin, Municipality of Santiago, Province of Ilocos Sur
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Ilocos Region (Region I) |
| Province | Ilocos Sur |
| Municipality | Santiago |
| Postal code | 2707 |
| Population (2020) | 568 |
| Philippine major island(s) | Luzon |
| Coordinates | 17.2876, 120.4468 (17° 17' North, 120° 27' East) |
| Estimated elevation above sea level | 10.0 meters (32.8 feet) |
Nalasin is a barangay in the municipality of Santiago, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 568. This represented 2.92% of the total population of Santiago.
Demographics
Households
The household population of Nalasin in the 2015 Census was 588 broken down into 136 households or an average of 4.32 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 493 | 92 | 5.36 | |
| 512 | 96 | 5.33 | |
| 593 | 115 | 5.16 | |
| 575 | 121 | 4.75 | |
| 590 | 137 | 4.31 | |
| 588 | 136 | 4.32 |
Population by age group
According to the 2015 Census, the age group with the highest population in Nalasin is 25 to 29, with 60 individuals. Conversely, the age group with the lowest population is 75 to 79, with 6 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 10 | 1.70% |
| 1 to 4 | 47 | 7.99% |
| 5 to 9 | 59 | 10.03% |
| 10 to 14 | 48 | 8.16% |
| 15 to 19 | 35 | 5.95% |
| 20 to 24 | 51 | 8.67% |
| 25 to 29 | 60 | 10.20% |
| 30 to 34 | 34 | 5.78% |
| 35 to 39 | 38 | 6.46% |
| 40 to 44 | 34 | 5.78% |
| 45 to 49 | 42 | 7.14% |
| 50 to 54 | 38 | 6.46% |
| 55 to 59 | 21 | 3.57% |
| 60 to 64 | 17 | 2.89% |
| 65 to 69 | 18 | 3.06% |
| 70 to 74 | 18 | 3.06% |
| 75 to 79 | 6 | 1.02% |
| 80 and over | 12 | 2.04% |
| Total | 588 | 100.00% |
| ||
Historical population
The population of Nalasin grew from 493 in 1990 to 568 in 2020, an increase of 75 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 0.73%, or a decrease of 20 people, from the previous population of 588 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 493 | – | |
| 512 | 0.71% | |
| 593 | 3.20% | |
| 575 | -0.42% | |
| 590 | 0.94% | |
| 588 | -0.06% | |
| 568 | -0.73% |
Location
Nalasin is situated at approximately 17.2876, 120.4468, 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
Nalasin 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.