Seaside, City of Isabela, Province of Basilan

Summary data
Typebarangay
Island groupMindanao
RegionZamboanga Peninsula (Region IX)
ProvinceBasilan
CityIsabela City
Postal code7300
Population (2020)328
Philippine major island(s)Basilan
Coordinates6.7050, 121.9709 (6° 42' North, 121° 58' East)
Estimated elevation above sea level11.9 meters (39.0 feet)

Seaside, formerly Poblacion, is a barangay in Isabela City, in the province of Basilan. Its population as determined by the 2020 Census was 328. This represented 0.25% of the total population of Isabela City.

Demographics

Households

The household population of Seaside in the 2015 Census was 449 broken down into 85 households or an average of 5.28 members per household.

details
Number of households in Seaside (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
142294.90
182345.35
172364.78
153324.78
603986.15
449855.28

Population by age group

According to the 2015 Census, the age group with the highest population in Seaside is 15 to 19, with 57 individuals. Conversely, the age group with the lowest population is 75 to 79, with 1 individual.

details
Population of Seaside by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 140.89%
1 to 4337.35%
5 to 9419.13%
10 to 14439.58%
15 to 195712.69%
20 to 245211.58%
25 to 294610.24%
30 to 34388.46%
35 to 39357.80%
40 to 44214.68%
45 to 49153.34%
50 to 54214.68%
55 to 59153.34%
60 to 64122.67%
65 to 69112.45%
70 to 7440.89%
75 to 7910.22%
80 and over0.00%
Total449100.00%
  • Youth Dependency Ratio: 38.78
  • Old Age Dependency Ratio: 5.13
  • Total Dependency Ratio: 43.91
  • Median Age: 24.47

Historical population

The population of Seaside grew from 142 in 1990 to 328 in 2020, an increase of 186 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 6.40%, or a decrease of 121 people, from the previous population of 449 in 2015.

Population of Seaside (1990‑2020)
Census datePopulationGrowth rate
142
1824.76%
175-0.84%
156-1.57%
60363.58%
449-5.46%
328-6.40%

Location

Seaside is situated at approximately 6.7050, 121.9709, in the island of Basilan. Elevation at these coordinates is estimated at 11.9 meters or 39.0 feet above mean sea level.


Adjacent barangays

Seaside 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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