San Rafael, Municipality of Itbayat, Province of Batanes

Summary data
Typebarangay
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceBatanes
MunicipalityItbayat
Postal code3905
Population (2020)897
Philippine major island(s)Itbayat
Coordinates20.7676, 121.8255 (20° 46' North, 121° 50' East)
Estimated elevation above sea level96.6 meters (316.9 feet)

San Rafael, formerly Idiang, is a barangay in the municipality of Itbayat, in the province of Batanes. Its population as determined by the 2020 Census was 897. This represented 28.68% of the total population of Itbayat.

Demographics

Households

The household population of San Rafael in the 2015 Census was 745 broken down into 225 households or an average of 3.31 members per household.

details
Number of households in San Rafael (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
7611554.91
7161594.50
7541594.74
7891934.09
7892133.70
7452253.31

Population by age group

According to the 2015 Census, the age group with the highest population in San Rafael is 10 to 14, with 106 individuals. Conversely, the age group with the lowest population is Under 1, with 11 individuals.

details
Population of San Rafael by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1111.48%
1 to 4638.46%
5 to 98811.81%
10 to 1410614.23%
15 to 19293.89%
20 to 24324.30%
25 to 29547.25%
30 to 34354.70%
35 to 39435.77%
40 to 44435.77%
45 to 49425.64%
50 to 54567.52%
55 to 59334.43%
60 to 64243.22%
65 to 69263.49%
70 to 74212.82%
75 to 79172.28%
80 and over222.95%
Total745100.00%
  • Youth Dependency Ratio: 68.54
  • Old Age Dependency Ratio: 21.99
  • Total Dependency Ratio: 90.53
  • Median Age: 29.03

Historical population

The population of San Rafael grew from 761 in 1990 to 897 in 2020, an increase of 136 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 3.99%, or an increase of 152 people, from the previous population of 745 in 2015.

Population of San Rafael (1990‑2020)
Census datePopulationGrowth rate
761
716-1.14%
7541.11%
7890.63%
7890.00%
745-1.09%
8973.99%

Location

San Rafael is situated at approximately 20.7676, 121.8255, in the island of Itbayat. Elevation at these coordinates is estimated at 96.6 meters or 316.9 feet above mean sea level.


Adjacent barangays

San Rafael 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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