Casilagan, Municipality of Rosario, Province of La Union
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Ilocos Region (Region I) |
| Province | La Union |
| Municipality | Rosario |
| Postal code | 2506 |
| Population (2020) | 701 |
| Philippine major island(s) | Luzon |
| Coordinates | 16.2499, 120.4885 (16° 15' North, 120° 29' East) |
| Estimated elevation above sea level | 154.2 meters (505.9 feet) |
Casilagan is a barangay in the municipality of Rosario, in the province of La Union. Its population as determined by the 2020 Census was 701. This represented 1.16% of the total population of Rosario.
Demographics
Households
The household population of Casilagan in the 2015 Census was 667 broken down into 162 households or an average of 4.12 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 404 | 86 | 4.70 | |
| 489 | 98 | 4.99 | |
| 576 | 115 | 5.01 | |
| 579 | 133 | 4.35 | |
| 587 | 153 | 3.84 | |
| 667 | 162 | 4.12 |
Population by age group
According to the 2015 Census, the age groups with the highest population in Casilagan are in the ranges 5 to 9, and 20 to 24, with 72 individuals. Conversely, the age group with the lowest population is 75 to 79, with 7 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 14 | 2.10% |
| 1 to 4 | 33 | 4.95% |
| 5 to 9 | 72 | 10.79% |
| 10 to 14 | 62 | 9.30% |
| 15 to 19 | 66 | 9.90% |
| 20 to 24 | 72 | 10.79% |
| 25 to 29 | 55 | 8.25% |
| 30 to 34 | 39 | 5.85% |
| 35 to 39 | 31 | 4.65% |
| 40 to 44 | 39 | 5.85% |
| 45 to 49 | 44 | 6.60% |
| 50 to 54 | 30 | 4.50% |
| 55 to 59 | 31 | 4.65% |
| 60 to 64 | 21 | 3.15% |
| 65 to 69 | 30 | 4.50% |
| 70 to 74 | 11 | 1.65% |
| 75 to 79 | 7 | 1.05% |
| 80 and over | 10 | 1.50% |
| Total | 667 | 100.00% |
| ||
Historical population
The population of Casilagan grew from 404 in 1990 to 701 in 2020, an increase of 297 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.05%, or an increase of 34 people, from the previous population of 667 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 404 | – | |
| 489 | 3.64% | |
| 576 | 3.57% | |
| 579 | 0.07% | |
| 587 | 0.50% | |
| 667 | 2.46% | |
| 701 | 1.05% |
Location
Casilagan is situated at approximately 16.2499, 120.4885, in the island of Luzon. Elevation at these coordinates is estimated at 154.2 meters or 505.9 feet above mean sea level.
Adjacent barangays
Casilagan 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.