San Ildefonso, Municipality of Casiguran, Province of Aurora
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Central Luzon (Region III) |
| Province | Aurora |
| Municipality | Casiguran |
| Postal code | 3204 |
| Population (2020) | 1,118 |
| Philippine major island(s) | Luzon |
| Coordinates | 16.0931, 122.0449 (16° 6' North, 122° 3' East) |
| Estimated elevation above sea level | 378.7 meters (1,242.4 feet) |
San Ildefonso is a barangay in the municipality of Casiguran, in the province of Aurora. Its population as determined by the 2020 Census was 1,118. This represented 4.21% of the total population of Casiguran.
Demographics
Households
The household population of San Ildefonso in the 2015 Census was 1,115 broken down into 253 households or an average of 4.41 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 814 | 167 | 4.87 | |
| 880 | 204 | 4.31 | |
| 1,050 | 203 | 5.17 | |
| 1,029 | 231 | 4.45 | |
| 1,100 | 268 | 4.10 | |
| 1,115 | 253 | 4.41 |
Population by age group
According to the 2015 Census, the age groups with the highest population in San Ildefonso are in the ranges 5 to 9, and 10 to 14, with 139 individuals. Conversely, the age group with the lowest population is 75 to 79, with 6 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 24 | 2.15% |
| 1 to 4 | 109 | 9.78% |
| 5 to 9 | 139 | 12.47% |
| 10 to 14 | 139 | 12.47% |
| 15 to 19 | 122 | 10.94% |
| 20 to 24 | 90 | 8.07% |
| 25 to 29 | 96 | 8.61% |
| 30 to 34 | 53 | 4.75% |
| 35 to 39 | 55 | 4.93% |
| 40 to 44 | 48 | 4.30% |
| 45 to 49 | 47 | 4.22% |
| 50 to 54 | 59 | 5.29% |
| 55 to 59 | 47 | 4.22% |
| 60 to 64 | 35 | 3.14% |
| 65 to 69 | 24 | 2.15% |
| 70 to 74 | 14 | 1.26% |
| 75 to 79 | 6 | 0.54% |
| 80 and over | 8 | 0.72% |
| Total | 1,115 | 100.00% |
| ||
Historical population
The population of San Ildefonso grew from 830 in 1990 to 1,118 in 2020, an increase of 288 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 0.06%, or an increase of 3 people, from the previous population of 1,115 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 830 | – | |
| 880 | 1.10% | |
| 1,050 | 3.86% | |
| 1,029 | -0.28% | |
| 1,100 | 2.46% | |
| 1,115 | 0.26% | |
| 1,118 | 0.06% |
Location
San Ildefonso is situated at approximately 16.0931, 122.0449, in the island of Luzon. Elevation at these coordinates is estimated at 378.7 meters or 1,242.4 feet above mean sea level.
Adjacent barangays
San Ildefonso 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.