Isabela Proper, City of Isabela, Province of Basilan

Summary data
Typebarangay
Island groupMindanao
RegionZamboanga Peninsula (Region IX)
ProvinceBasilan
CityIsabela City
Postal code7300
Population (2020)1,386
Philippine major island(s)Basilan
Coordinates6.7052, 121.9717 (6° 42' North, 121° 58' East)
Estimated elevation above sea level11.4 meters (37.4 feet)

Isabela Proper, formerly Poblacion, is a barangay in Isabela City, in the province of Basilan. Its population as determined by the 2020 Census was 1,386. This represented 1.06% of the total population of Isabela City.

Demographics

Households

The household population of Isabela Proper in the 2015 Census was 1,054 broken down into 239 households or an average of 4.41 members per household.

details
Number of households in Isabela Proper (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,1322055.52
9101785.11
1,2512155.82
9211924.80
1,0402364.41
1,0542394.41

Population by age group

According to the 2015 Census, the age group with the highest population in Isabela Proper is 20 to 24, with 139 individuals. Conversely, the age group with the lowest population is 80 and over, with 10 individuals.

details
Population of Isabela Proper by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1181.71%
1 to 4706.64%
5 to 9959.01%
10 to 14817.69%
15 to 1912912.24%
20 to 2413913.19%
25 to 29868.16%
30 to 34535.03%
35 to 39635.98%
40 to 44635.98%
45 to 49777.31%
50 to 54514.84%
55 to 59524.93%
60 to 64292.75%
65 to 69141.33%
70 to 74121.14%
75 to 79121.14%
80 and over100.95%
Total1,054100.00%
  • Youth Dependency Ratio: 35.58
  • Old Age Dependency Ratio: 6.47
  • Total Dependency Ratio: 42.05
  • Median Age: 24.82

Historical population

The population of Isabela Proper grew from 1,132 in 1990 to 1,386 in 2020, an increase of 254 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 5.93%, or an increase of 332 people, from the previous population of 1,054 in 2015.

Population of Isabela Proper (1990‑2020)
Census datePopulationGrowth rate
1,132
910-4.01%
1,2517.06%
923-4.11%
1,0404.44%
1,0540.25%
1,3865.93%

Location

Isabela Proper is situated at approximately 6.7052, 121.9717, in the island of Basilan. Elevation at these coordinates is estimated at 11.4 meters or 37.4 feet above mean sea level.


Adjacent barangays

Isabela Proper 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)