Casilagan, Municipality of Narvacan, Province of Ilocos Sur
Type | barangay |
---|---|
Island group | Luzon |
Region | Ilocos Region (Region I) |
Province | Ilocos Sur |
Municipality | Narvacan |
Postal code | 2704 |
Population (2020) | 771 |
Philippine major island(s) | Luzon |
Coordinates | 17.4623, 120.5535 (17° 28' North, 120° 33' East) |
Estimated elevation above sea level | 33.2 meters (108.9 feet) |
Casilagan is a barangay in the municipality of Narvacan, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 771. This represented 1.67% of the total population of Narvacan.
Demographics
Households
The household population of Casilagan in the 2015 Census was 647 broken down into 148 households or an average of 4.37 members per household.
details
Census date | Household population | Number of households | Average household size |
---|---|---|---|
576 | 118 | 4.88 | |
591 | 127 | 4.65 | |
602 | 127 | 4.74 | |
673 | 138 | 4.88 | |
627 | 140 | 4.48 | |
647 | 148 | 4.37 |
Population by age group
According to the 2015 Census, the age group with the highest population in Casilagan is 10 to 14, with 75 individuals. Conversely, the age group with the lowest population is 65 to 69, with 5 individuals.
details
Age group | Population (2015) | Age group percentage |
---|---|---|
Under 1 | 12 | 1.85% |
1 to 4 | 43 | 6.65% |
5 to 9 | 48 | 7.42% |
10 to 14 | 75 | 11.59% |
15 to 19 | 48 | 7.42% |
20 to 24 | 66 | 10.20% |
25 to 29 | 62 | 9.58% |
30 to 34 | 50 | 7.73% |
35 to 39 | 45 | 6.96% |
40 to 44 | 23 | 3.55% |
45 to 49 | 26 | 4.02% |
50 to 54 | 44 | 6.80% |
55 to 59 | 46 | 7.11% |
60 to 64 | 23 | 3.55% |
65 to 69 | 5 | 0.77% |
70 to 74 | 10 | 1.55% |
75 to 79 | 12 | 1.85% |
80 and over | 9 | 1.39% |
Total | 647 | 100.00% |
|
Historical population
The population of Casilagan grew from 576 in 1990 to 771 in 2020, an increase of 195 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 3.76%, or an increase of 124 people, from the previous population of 647 in 2015.
Census date | Population | Growth rate |
---|---|---|
576 | – | |
591 | 0.48% | |
602 | 0.40% | |
673 | 1.55% | |
627 | -2.54% | |
647 | 0.60% | |
771 | 3.76% |
Location
Casilagan is situated at approximately 17.4623, 120.5535, in the island of Luzon. Elevation at these coordinates is estimated at 33.2 meters or 108.9 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.