Casasahan Ilaya, Municipality of Gumaca, Province of Quezon
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | CALABARZON (Region IV‑A) |
| Province | Quezon |
| Municipality | Gumaca |
| Postal code | 4307 |
| Population (2020) | 285 |
| Philippine major island(s) | Luzon |
| Coordinates | 13.8467, 122.0624 (13° 51' North, 122° 4' East) |
| Estimated elevation above sea level | 38.0 meters (124.7 feet) |
Casasahan Ilaya is a barangay in the municipality of Gumaca, in the province of Quezon. Its population as determined by the 2020 Census was 285. This represented 0.40% of the total population of Gumaca.
Demographics
Households
The household population of Casasahan Ilaya in the 2015 Census was 443 broken down into 107 households or an average of 4.14 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 161 | 42 | 3.83 | |
| 302 | 55 | 5.49 | |
| 398 | 90 | 4.42 | |
| 295 | 67 | 4.40 | |
| 421 | 105 | 4.01 | |
| 443 | 107 | 4.14 |
Population by age group
According to the 2015 Census, the age group with the highest population in Casasahan Ilaya is 10 to 14, with 61 individuals. Conversely, the age group with the lowest population is 80 and over, with 4 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 5 | 1.13% |
| 1 to 4 | 18 | 4.06% |
| 5 to 9 | 33 | 7.45% |
| 10 to 14 | 61 | 13.77% |
| 15 to 19 | 57 | 12.87% |
| 20 to 24 | 36 | 8.13% |
| 25 to 29 | 31 | 7.00% |
| 30 to 34 | 23 | 5.19% |
| 35 to 39 | 32 | 7.22% |
| 40 to 44 | 35 | 7.90% |
| 45 to 49 | 31 | 7.00% |
| 50 to 54 | 23 | 5.19% |
| 55 to 59 | 17 | 3.84% |
| 60 to 64 | 5 | 1.13% |
| 65 to 69 | 14 | 3.16% |
| 70 to 74 | 10 | 2.26% |
| 75 to 79 | 8 | 1.81% |
| 80 and over | 4 | 0.90% |
| Total | 443 | 100.00% |
| ||
Historical population
The population of Casasahan Ilaya grew from 161 in 1990 to 285 in 2020, an increase of 124 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 8.87%, or a decrease of 158 people, from the previous population of 443 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 161 | – | |
| 302 | 12.51% | |
| 398 | 6.10% | |
| 295 | -4.05% | |
| 421 | 13.82% | |
| 443 | 0.97% | |
| 285 | -8.87% |
Location
Casasahan Ilaya is situated at approximately 13.8467, 122.0624, in the island of Luzon. Elevation at these coordinates is estimated at 38.0 meters or 124.7 feet above mean sea level.
Adjacent barangays
Casasahan Ilaya 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.