An‑annam, Municipality of Bantay, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalityBantay
Postal code2727
Population (2020)1,405
Philippine major island(s)Luzon
Coordinates17.6109, 120.4437 (17° 37' North, 120° 27' East)
Estimated elevation above sea level35.9 meters (117.8 feet)

An‑annam is a barangay in the municipality of Bantay, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 1,405. This represented 3.79% of the total population of Bantay.

Demographics

Households

The household population of An-annam in the 2015 Census was 1,495 broken down into 293 households or an average of 5.10 members per household.

details
Number of households in An-annam (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
9461595.95
1,0041875.37
1,1242195.13
1,2252514.88
1,4052735.15
1,4952935.10

Population by age group

According to the 2015 Census, the age group with the highest population in An-annam is 20 to 24, with 156 individuals. Conversely, the age group with the lowest population is 70 to 74, with 20 individuals.

details
Population of An-annam by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1241.61%
1 to 4956.35%
5 to 91218.09%
10 to 141459.70%
15 to 191499.97%
20 to 2415610.43%
25 to 291107.36%
30 to 341077.16%
35 to 391177.83%
40 to 441117.42%
45 to 49966.42%
50 to 54785.22%
55 to 59483.21%
60 to 64372.47%
65 to 69312.07%
70 to 74201.34%
75 to 79231.54%
80 and over271.81%
Total1,495100.00%
  • Youth Dependency Ratio: 38.16
  • Old Age Dependency Ratio: 10.01
  • Total Dependency Ratio: 48.17
  • Median Age: 27.61

Historical population

The population of An-annam grew from 946 in 1990 to 1,405 in 2020, an increase of 459 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 1.30%, or a decrease of 90 people, from the previous population of 1,495 in 2015.

Population of An-annam (1990‑2020)
Census datePopulationGrowth rate
946
1,0041.12%
1,1242.45%
1,2251.19%
1,4055.12%
1,4951.19%
1,405-1.30%

Location

An‑annam is situated at approximately 17.6109, 120.4437, in the island of Luzon. Elevation at these coordinates is estimated at 35.9 meters or 117.8 feet above mean sea level.


Adjacent barangays

An‑annam 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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