Nagtablaan, Municipality of Santa Lucia, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalitySanta Lucia
Postal code2712
Population (2020)412
Philippine major island(s)Luzon
Coordinates17.1207, 120.5005 (17° 7' North, 120° 30' East)
Estimated elevation above sea level22.7 meters (74.5 feet)

Nagtablaan is a barangay in the municipality of Santa Lucia, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 412. This represented 1.59% of the total population of Santa Lucia.

Demographics

Households

The household population of Nagtablaan in the 2015 Census was 423 broken down into 111 households or an average of 3.81 members per household.

details
Number of households in Nagtablaan (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
346774.49
358794.53
366884.16
421984.30
423974.36
4231113.81

Population by age group

According to the 2015 Census, the age group with the highest population in Nagtablaan is 15 to 19, with 44 individuals. Conversely, the age group with the lowest population is Under 1, with 5 individuals.

details
Population of Nagtablaan by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 151.18%
1 to 4235.44%
5 to 9399.22%
10 to 14419.69%
15 to 194410.40%
20 to 24266.15%
25 to 29399.22%
30 to 34266.15%
35 to 39327.57%
40 to 44194.49%
45 to 49204.73%
50 to 54235.44%
55 to 59235.44%
60 to 64214.96%
65 to 6992.13%
70 to 7471.65%
75 to 79112.60%
80 and over153.55%
Total423100.00%
  • Youth Dependency Ratio: 39.56
  • Old Age Dependency Ratio: 15.38
  • Total Dependency Ratio: 54.94
  • Median Age: 29.29

Historical population

The population of Nagtablaan grew from 346 in 1990 to 412 in 2020, an increase of 66 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 0.55%, or a decrease of 11 people, from the previous population of 423 in 2015.

Population of Nagtablaan (1990‑2020)
Census datePopulationGrowth rate
346
3580.64%
3660.47%
4211.95%
4230.17%
4230.00%
412-0.55%

Location

Nagtablaan is situated at approximately 17.1207, 120.5005, in the island of Luzon. Elevation at these coordinates is estimated at 22.7 meters or 74.5 feet above mean sea level.


Adjacent barangays

Nagtablaan 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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