Naglaoa‑an, Municipality of Santo Domingo, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalitySanto Domingo
Postal code2729
Population (2020)922
Philippine major island(s)Luzon
Coordinates17.6308, 120.3771 (17° 38' North, 120° 23' East)
Estimated elevation above sea level10.5 meters (34.4 feet)

Naglaoa‑an is a barangay in the municipality of Santo Domingo, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 922. This represented 3.17% of the total population of Santo Domingo.

Demographics

Households

The household population of Naglaoa-an in the 2015 Census was 867 broken down into 198 households or an average of 4.38 members per household.

details
Number of households in Naglaoa-an (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
5921135.24
6971375.09
7851575.00
8291804.61
8791864.73
8671984.38

Population by age group

According to the 2015 Census, the age group with the highest population in Naglaoa-an is 10 to 14, with 104 individuals. Conversely, the age group with the lowest population is 75 to 79, with 9 individuals.

details
Population of Naglaoa-an by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1171.96%
1 to 4687.84%
5 to 9809.23%
10 to 1410412.00%
15 to 19778.88%
20 to 24859.80%
25 to 29789.00%
30 to 34546.23%
35 to 39617.04%
40 to 44465.31%
45 to 49445.07%
50 to 54333.81%
55 to 59323.69%
60 to 64303.46%
65 to 69222.54%
70 to 74171.96%
75 to 7991.04%
80 and over101.15%
Total867100.00%
  • Youth Dependency Ratio: 49.81
  • Old Age Dependency Ratio: 10.74
  • Total Dependency Ratio: 60.55
  • Median Age: 25.16

Historical population

The population of Naglaoa-an grew from 592 in 1990 to 922 in 2020, an increase of 330 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.30%, or an increase of 55 people, from the previous population of 867 in 2015.

Population of Naglaoa-an (1990‑2020)
Census datePopulationGrowth rate
592
6973.11%
7852.58%
8290.75%
8792.15%
867-0.26%
9221.30%

Location

Naglaoa‑an is situated at approximately 17.6308, 120.3771, in the island of Luzon. Elevation at these coordinates is estimated at 10.5 meters or 34.4 feet above mean sea level.


Adjacent barangays

Naglaoa‑an 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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