Biga Occidental, Municipality of Santo Tomas, Province of Isabela

Summary data
Typebarangay
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceIsabela
MunicipalitySanto Tomas
Postal code3327
Population (2020)724
Philippine major island(s)Luzon
Coordinates17.3842, 121.7208 (17° 23' North, 121° 43' East)
Estimated elevation above sea level45.0 meters (147.6 feet)

Biga Occidental is a barangay in the municipality of Santo Tomas, in the province of Isabela. Its population as determined by the 2020 Census was 724. This represented 2.95% of the total population of Santo Tomas.

Demographics

Households

The household population of Biga Occidental in the 2015 Census was 744 broken down into 183 households or an average of 4.07 members per household.

details
Number of households in Biga Occidental (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
523945.56
5901015.84
6111175.22
6341245.11
6361344.75
7441834.07

Population by age group

According to the 2015 Census, the age group with the highest population in Biga Occidental is 15 to 19, with 86 individuals. Conversely, the age group with the lowest population is 80 and over, with 6 individuals.

details
Population of Biga Occidental by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1222.96%
1 to 4668.87%
5 to 9749.95%
10 to 147610.22%
15 to 198611.56%
20 to 24729.68%
25 to 29425.65%
30 to 34547.26%
35 to 39557.39%
40 to 44385.11%
45 to 49445.91%
50 to 54314.17%
55 to 59212.82%
60 to 64222.96%
65 to 69111.48%
70 to 74172.28%
75 to 7970.94%
80 and over60.81%
Total744100.00%
  • Youth Dependency Ratio: 51.18
  • Old Age Dependency Ratio: 8.82
  • Total Dependency Ratio: 60
  • Median Age: 23.33

Historical population

The population of Biga Occidental grew from 523 in 1990 to 724 in 2020, an increase of 201 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 0.57%, or a decrease of 20 people, from the previous population of 744 in 2015.

Population of Biga Occidental (1990‑2020)
Census datePopulationGrowth rate
523
5902.28%
6110.75%
6340.51%
6360.11%
7443.03%
724-0.57%

Location

Biga Occidental is situated at approximately 17.3842, 121.7208, in the island of Luzon. Elevation at these coordinates is estimated at 45.0 meters or 147.6 feet above mean sea level.


Adjacent barangays

Biga Occidental 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.
(Back to top)