Ansad, Municipality of San Esteban, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalitySan Esteban
Postal code2706
Population (2020)643
Philippine major island(s)Luzon
Coordinates17.3246, 120.4575 (17° 19' North, 120° 27' East)
Estimated elevation above sea level24.6 meters (80.7 feet)

Ansad is a barangay in the municipality of San Esteban, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 643. This represented 7.67% of the total population of San Esteban.

Demographics

Households

The household population of Ansad in the 2015 Census was 692 broken down into 175 households or an average of 3.95 members per household.

details
Number of households in Ansad (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
6691354.96
6041374.41
6541454.51
6311534.12
6401574.08
6921753.95

Population by age group

According to the 2015 Census, the age group with the highest population in Ansad is 5 to 9, with 65 individuals. Conversely, the age groups with the lowest population are in the ranges Under 1, and 75 to 79, with 14 individuals.

details
Population of Ansad by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1142.02%
1 to 4476.79%
5 to 9659.39%
10 to 14456.50%
15 to 19588.38%
20 to 24598.53%
25 to 29486.94%
30 to 34557.95%
35 to 39395.64%
40 to 44405.78%
45 to 49476.79%
50 to 54365.20%
55 to 59253.61%
60 to 64223.18%
65 to 69273.90%
70 to 74324.62%
75 to 79142.02%
80 and over192.75%
Total692100.00%
  • Youth Dependency Ratio: 39.86
  • Old Age Dependency Ratio: 21.45
  • Total Dependency Ratio: 61.31
  • Median Age: 30.91

Historical population

The population of Ansad fell from 669 in 1990 to 643 in 2020, a decrease of 26 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 1.53%, or a decrease of 49 people, from the previous population of 692 in 2015.

Population of Ansad (1990‑2020)
Census datePopulationGrowth rate
669
604-1.90%
6541.72%
631-0.49%
6400.52%
6921.50%
643-1.53%

Location

Ansad is situated at approximately 17.3246, 120.4575, in the island of Luzon. Elevation at these coordinates is estimated at 24.6 meters or 80.7 feet above mean sea level.


Adjacent barangays

Ansad 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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