Casilagan, Municipality of San Juan, Province of La Union
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Ilocos Region (Region I) |
| Province | La Union |
| Municipality | San Juan |
| Postal code | 2514 |
| Population (2020) | 933 |
| Philippine major island(s) | Luzon |
| Coordinates | 16.6539, 120.3504 (16° 39' North, 120° 21' East) |
| Estimated elevation above sea level | 19.8 meters (65.0 feet) |
Casilagan is a barangay in the municipality of San Juan, in the province of La Union. Its population as determined by the 2020 Census was 933. This represented 2.30% of the total population of San Juan.
Demographics
Households
The household population of Casilagan in the 2015 Census was 850 broken down into 209 households or an average of 4.07 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 514 | 107 | 4.80 | |
| 564 | 116 | 4.86 | |
| 630 | 131 | 4.81 | |
| 782 | 167 | 4.68 | |
| 804 | 182 | 4.42 | |
| 850 | 209 | 4.07 |
Population by age group
According to the 2015 Census, the age group with the highest population in Casilagan is 10 to 14, with 85 individuals. Conversely, the age groups with the lowest population are in the ranges 75 to 79, and 80 and over, with 12 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 13 | 1.53% |
| 1 to 4 | 59 | 6.93% |
| 5 to 9 | 62 | 7.29% |
| 10 to 14 | 85 | 9.99% |
| 15 to 19 | 71 | 8.34% |
| 20 to 24 | 68 | 7.99% |
| 25 to 29 | 80 | 9.40% |
| 30 to 34 | 62 | 7.29% |
| 35 to 39 | 63 | 7.40% |
| 40 to 44 | 49 | 5.76% |
| 45 to 49 | 47 | 5.52% |
| 50 to 54 | 48 | 5.64% |
| 55 to 59 | 40 | 4.70% |
| 60 to 64 | 37 | 4.35% |
| 65 to 69 | 28 | 3.29% |
| 70 to 74 | 15 | 1.76% |
| 75 to 79 | 12 | 1.41% |
| 80 and over | 12 | 1.41% |
| Total | 851 | 100.00% |
| ||
Historical population
The population of Casilagan grew from 514 in 1990 to 933 in 2020, an increase of 419 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.96%, or an increase of 82 people, from the previous population of 851 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 514 | – | |
| 564 | 1.75% | |
| 630 | 2.40% | |
| 782 | 3.03% | |
| 804 | 1.02% | |
| 851 | 1.09% | |
| 933 | 1.96% |
Location
Casilagan is situated at approximately 16.6539, 120.3504, in the island of Luzon. Elevation at these coordinates is estimated at 19.8 meters or 65.0 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.