Casiaman, Municipality of Bacnotan, Province of La Union
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Ilocos Region (Region I) |
| Province | La Union |
| Municipality | Bacnotan |
| Postal code | 2515 |
| Population (2020) | 941 |
| Philippine major island(s) | Luzon |
| Coordinates | 16.7326, 120.3835 (16° 44' North, 120° 23' East) |
| Estimated elevation above sea level | 40.9 meters (134.2 feet) |
Casiaman is a barangay in the municipality of Bacnotan, in the province of La Union. Its population as determined by the 2020 Census was 941. This represented 2.12% of the total population of Bacnotan.
Demographics
Households
The household population of Casiaman in the 2015 Census was 845 broken down into 187 households or an average of 4.52 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 659 | 114 | 5.78 | |
| 668 | 139 | 4.81 | |
| 727 | 150 | 4.85 | |
| 790 | 166 | 4.76 | |
| 867 | 187 | 4.64 | |
| 845 | 187 | 4.52 |
Population by age group
According to the 2015 Census, the age groups with the highest population in Casiaman are in the ranges 15 to 19, and 20 to 24, with 81 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 | 1.04% |
| 1 to 4 | 62 | 7.13% |
| 5 to 9 | 75 | 8.63% |
| 10 to 14 | 74 | 8.52% |
| 15 to 19 | 81 | 9.32% |
| 20 to 24 | 81 | 9.32% |
| 25 to 29 | 67 | 7.71% |
| 30 to 34 | 68 | 7.83% |
| 35 to 39 | 64 | 7.36% |
| 40 to 44 | 55 | 6.33% |
| 45 to 49 | 35 | 4.03% |
| 50 to 54 | 51 | 5.87% |
| 55 to 59 | 42 | 4.83% |
| 60 to 64 | 37 | 4.26% |
| 65 to 69 | 22 | 2.53% |
| 70 to 74 | 20 | 2.30% |
| 75 to 79 | 13 | 1.50% |
| 80 and over | 13 | 1.50% |
| Total | 869 | 100.00% |
| ||
Historical population
The population of Casiaman grew from 659 in 1990 to 941 in 2020, an increase of 282 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.69%, or an increase of 72 people, from the previous population of 869 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 659 | – | |
| 690 | 0.86% | |
| 727 | 1.13% | |
| 790 | 1.15% | |
| 867 | 3.44% | |
| 869 | 0.04% | |
| 941 | 1.69% |
Location
Casiaman is situated at approximately 16.7326, 120.3835, in the island of Luzon. Elevation at these coordinates is estimated at 40.9 meters or 134.2 feet above mean sea level.
Adjacent barangays
Casiaman 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.