Diliman I, Municipality of San Rafael, Province of Bulacan
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Central Luzon (Region III) |
| Province | Bulacan |
| Municipality | San Rafael |
| Postal code | 3008 |
| Population (2020) | 3,634 |
| Philippine major island(s) | Luzon |
| Coordinates | 15.0235, 120.9531 (15° 1' North, 120° 57' East) |
| Estimated elevation above sea level | 29.3 meters (96.1 feet) |
Diliman I is a barangay in the municipality of San Rafael, in the province of Bulacan. Its population as determined by the 2020 Census was 3,634. This represented 3.52% of the total population of San Rafael.
Demographics
Households
The household population of Diliman I in the 2015 Census was 3,340 broken down into 744 households or an average of 4.49 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 1,892 | 356 | 5.31 | |
| 2,298 | 425 | 5.41 | |
| 2,678 | 546 | 4.90 | |
| 3,279 | 602 | 5.45 | |
| 3,307 | 673 | 4.91 | |
| 3,340 | 744 | 4.49 |
Population by age group
According to the 2015 Census, the age group with the highest population in Diliman I is 20 to 24, with 369 individuals. Conversely, the age group with the lowest population is 75 to 79, with 22 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 64 | 1.92% |
| 1 to 4 | 243 | 7.28% |
| 5 to 9 | 331 | 9.91% |
| 10 to 14 | 307 | 9.19% |
| 15 to 19 | 326 | 9.76% |
| 20 to 24 | 369 | 11.05% |
| 25 to 29 | 271 | 8.11% |
| 30 to 34 | 273 | 8.17% |
| 35 to 39 | 235 | 7.04% |
| 40 to 44 | 193 | 5.78% |
| 45 to 49 | 176 | 5.27% |
| 50 to 54 | 165 | 4.94% |
| 55 to 59 | 122 | 3.65% |
| 60 to 64 | 91 | 2.72% |
| 65 to 69 | 79 | 2.37% |
| 70 to 74 | 45 | 1.35% |
| 75 to 79 | 22 | 0.66% |
| 80 and over | 28 | 0.84% |
| Total | 3,340 | 100.00% |
| ||
Historical population
The population of Diliman I grew from 1,892 in 1990 to 3,634 in 2020, an increase of 1,742 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 1.79%, or an increase of 294 people, from the previous population of 3,340 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| 1,892 | – | |
| 2,298 | 3.71% | |
| 2,678 | 3.34% | |
| 3,312 | 2.97% | |
| 3,333 | 0.23% | |
| 3,340 | 0.04% | |
| 3,634 | 1.79% |
Location
Diliman I is situated at approximately 15.0235, 120.9531, in the island of Luzon. Elevation at these coordinates is estimated at 29.3 meters or 96.1 feet above mean sea level.
Adjacent barangays
Diliman I 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.