Apang, Municipality of Alilem, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalityAlilem
Postal code2716
Population (2020)455
Philippine major island(s)Luzon
Coordinates16.8607, 120.5993 (16° 52' North, 120° 36' East)
Estimated elevation above sea level216.1 meters (709.0 feet)

Apang is a barangay in the municipality of Alilem, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 455. This represented 6.18% of the total population of Alilem.

Demographics

Households

The household population of Apang in the 2015 Census was 489 broken down into 96 households or an average of 5.09 members per household.

details
Number of households in Apang (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
309555.62
392616.43
458785.87
400755.33
484895.44
489965.09

Population by age group

According to the 2015 Census, the age group with the highest population in Apang is 15 to 19, with 55 individuals. Conversely, the age group with the lowest population is 65 to 69, with 8 individuals.

details
Population of Apang by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 191.84%
1 to 4397.98%
5 to 95411.04%
10 to 145210.63%
15 to 195511.25%
20 to 24418.38%
25 to 29306.13%
30 to 34377.57%
35 to 39357.16%
40 to 44336.75%
45 to 49224.50%
50 to 54204.09%
55 to 59112.25%
60 to 64132.66%
65 to 6981.64%
70 to 74102.04%
75 to 79102.04%
80 and over102.04%
Total489100.00%
  • Youth Dependency Ratio: 51.85
  • Old Age Dependency Ratio: 12.79
  • Total Dependency Ratio: 64.64
  • Median Age: 24.33

Historical population

The population of Apang grew from 309 in 1990 to 455 in 2020, an increase of 146 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 1.51%, or a decrease of 34 people, from the previous population of 489 in 2015.

Population of Apang (1990‑2020)
Census datePopulationGrowth rate
309
3924.56%
4583.39%
400-1.85%
4847.18%
4890.20%
455-1.51%

Location

Apang is situated at approximately 16.8607, 120.5993, in the island of Luzon. Elevation at these coordinates is estimated at 216.1 meters or 709.0 feet above mean sea level.


Adjacent barangays

Apang 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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