Namalangan, Municipality of Santa, Province of Ilocos Sur
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Ilocos Region (Region I) |
| Province | Ilocos Sur |
| Municipality | Santa |
| Postal code | 2703 |
| Population (2020) | 638 |
| Philippine major island(s) | Luzon |
| Coordinates | 17.5515, 120.4551 (17° 33' North, 120° 27' East) |
| Estimated elevation above sea level | 39.4 meters (129.3 feet) |
Namalangan is a barangay in the municipality of Santa, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 638. This represented 4.26% of the total population of Santa.
Demographics
Households
The household population of Namalangan in the 2015 Census was 756 broken down into 174 households or an average of 4.34 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 764 | 133 | 5.74 | |
| 721 | 134 | 5.38 | |
| 698 | 141 | 4.95 | |
| 754 | 161 | 4.68 | |
| 754 | 161 | 4.68 | |
| 756 | 174 | 4.34 |
Population by age group
According to the 2015 Census, the age group with the highest population in Namalangan is 20 to 24, with 78 individuals. Conversely, the age group with the lowest population is Under 1, with 9 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 9 | 1.19% |
| 1 to 4 | 60 | 7.94% |
| 5 to 9 | 72 | 9.52% |
| 10 to 14 | 69 | 9.13% |
| 15 to 19 | 51 | 6.75% |
| 20 to 24 | 78 | 10.32% |
| 25 to 29 | 54 | 7.14% |
| 30 to 34 | 65 | 8.60% |
| 35 to 39 | 46 | 6.08% |
| 40 to 44 | 52 | 6.88% |
| 45 to 49 | 40 | 5.29% |
| 50 to 54 | 31 | 4.10% |
| 55 to 59 | 33 | 4.37% |
| 60 to 64 | 37 | 4.89% |
| 65 to 69 | 22 | 2.91% |
| 70 to 74 | 14 | 1.85% |
| 75 to 79 | 13 | 1.72% |
| 80 and over | 10 | 1.32% |
| Total | 756 | 100.00% |
| ||
Historical population
The population of Namalangan fell from 764 in 1990 to 638 in 2020, a decrease of 126 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 3.51%, or a decrease of 118 people, from the previous population of 756 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 764 | – | |
| 721 | -1.08% | |
| 698 | -0.69% | |
| 754 | 1.07% | |
| 754 | 0.00% | |
| 756 | 0.05% | |
| 638 | -3.51% |
Location
Namalangan is situated at approximately 17.5515, 120.4551, in the island of Luzon. Elevation at these coordinates is estimated at 39.4 meters or 129.3 feet above mean sea level.
Adjacent barangays
Namalangan 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.