Diliman I, Municipality of San Rafael, Province of Bulacan

Summary data
Typebarangay
Island groupLuzon
RegionCentral Luzon (Region III)
ProvinceBulacan
MunicipalitySan Rafael
Postal code3008
Population (2020)3,634
Philippine major island(s)Luzon
Coordinates15.0235, 120.9531 (15° 1' North, 120° 57' East)
Estimated elevation above sea level29.3 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.

details
Number of households in Diliman I (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,8923565.31
2,2984255.41
2,6785464.90
3,2796025.45
3,3076734.91
3,3407444.49

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.

details
Population of Diliman I by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1641.92%
1 to 42437.28%
5 to 93319.91%
10 to 143079.19%
15 to 193269.76%
20 to 2436911.05%
25 to 292718.11%
30 to 342738.17%
35 to 392357.04%
40 to 441935.78%
45 to 491765.27%
50 to 541654.94%
55 to 591223.65%
60 to 64912.72%
65 to 69792.37%
70 to 74451.35%
75 to 79220.66%
80 and over280.84%
Total3,340100.00%
  • Youth Dependency Ratio: 42.55
  • Old Age Dependency Ratio: 7.83
  • Total Dependency Ratio: 50.38
  • Median Age: 25.55

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 growth rate of 1.79%, or an increase of 294 people, from the previous population of 3,340 in 2015.

Population of Diliman I (1990‑2020)
Census datePopulationGrowth rate
1,892
2,2983.71%
2,6783.34%
3,3122.97%
3,3330.23%
3,3400.04%
3,6341.79%

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

  1. Data on population, and households, are from the Philippine Statistics Authority.
  2. Postal code information is from the Philippine Postal Corporation.
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