Nagsupotan, Municipality of San Juan, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalitySan Juan
Postal code2731
Population (2020)1,414
Philippine major island(s)Luzon
Coordinates17.7272, 120.4704 (17° 44' North, 120° 28' East)
Estimated elevation above sea level35.8 meters (117.5 feet)

Nagsupotan is a barangay in the municipality of San Juan, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 1,414. This represented 5.30% of the total population of San Juan.

Demographics

Households

The household population of Nagsupotan in the 2015 Census was 1,319 broken down into 331 households or an average of 3.98 members per household.

Trends in household population and size

Number of households in Nagsupotan (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,0202114.83
1,1132215.04
1,1712524.65
1,2542584.86
1,2922934.41
1,3193313.98

Population by age group

According to the 2015 Census, the age group with the highest population in Nagsupotan is 5 to 9, with 121 individuals. Conversely, the age group with the lowest population is 80 and over, with 14 individuals.

Age distribution

Population of Nagsupotan by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1231.74%
1 to 41078.11%
5 to 91219.17%
10 to 141118.42%
15 to 191188.95%
20 to 24967.28%
25 to 291088.19%
30 to 34916.90%
35 to 391017.66%
40 to 44826.22%
45 to 49775.84%
50 to 54755.69%
55 to 59725.46%
60 to 64554.17%
65 to 69221.67%
70 to 74211.59%
75 to 79251.90%
80 and over141.06%
Total1,319100.00%
  • Youth Dependency Ratio: 41.37
  • Old Age Dependency Ratio: 9.37
  • Total Dependency Ratio: 50.74
  • Median Age: 28.87

Historical population

The population of Nagsupotan grew from 1,020 in 1990 to 1,414 in 2020, an increase of 394 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 1.47%, or an increase of 95 people, from the previous population of 1,319 in 2015.

Trends in population growth

Population of Nagsupotan (1990‑2020)
Census datePopulationAnnualized Growth Rate
1,020
1,1131.65%
1,1711.10%
1,2540.95%
1,2921.09%
1,3190.39%
1,4141.47%

Location

Nagsupotan is situated at approximately 17.7272, 120.4704, in the island of Luzon. Elevation at these coordinates is estimated at 35.8 meters or 117.5 feet above mean sea level.


Adjacent barangays

Nagsupotan 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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