Alangan, Municipality of Magsingal, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalityMagsingal
Postal code2730
Population (2020)940
Philippine major island(s)Luzon
Coordinates17.6734, 120.3727 (17° 40' North, 120° 22' East)
Estimated elevation above sea level6.3 meters (20.7 feet)

Alangan is a barangay in the municipality of Magsingal, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 940. This represented 3.00% of the total population of Magsingal.

Demographics

Households

The household population of Alangan in the 2015 Census was 843 broken down into 230 households or an average of 3.67 members per household.

details
Number of households in Alangan (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
344615.64
432825.27
5181104.71
6391404.56
6321514.19
8432303.67

Population by age group

According to the 2015 Census, the age group with the highest population in Alangan is 20 to 24, with 97 individuals. Conversely, the age group with the lowest population is 75 to 79, with 2 individuals.

details
Population of Alangan by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1182.13%
1 to 48710.31%
5 to 9849.95%
10 to 14748.77%
15 to 19769.00%
20 to 249711.49%
25 to 29839.83%
30 to 34677.94%
35 to 39688.06%
40 to 44485.69%
45 to 49354.15%
50 to 54283.32%
55 to 59252.96%
60 to 64172.01%
65 to 69161.90%
70 to 74131.54%
75 to 7920.24%
80 and over60.71%
Total844100.00%
  • Youth Dependency Ratio: 48.35
  • Old Age Dependency Ratio: 6.8
  • Total Dependency Ratio: 55.15
  • Median Age: 24.28

Historical population

The population of Alangan grew from 348 in 1990 to 940 in 2020, an increase of 592 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 2.29%, or an increase of 96 people, from the previous population of 844 in 2015.

Population of Alangan (1990‑2020)
Census datePopulationGrowth rate
348
4324.13%
5183.97%
6392.94%
632-0.40%
8445.66%
9402.29%

Location

Alangan is situated at approximately 17.6734, 120.3727, in the island of Luzon. Elevation at these coordinates is estimated at 6.3 meters or 20.7 feet above mean sea level.


Adjacent barangays

Alangan 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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