Nagtupacan, Municipality of Santa Maria, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalitySanta Maria
Postal code2705
Population (2020)874
Philippine major island(s)Luzon
Coordinates17.3808, 120.4763 (17° 23' North, 120° 29' East)
Estimated elevation above sea level6.5 meters (21.3 feet)

Nagtupacan is a barangay in the municipality of Santa Maria, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 874. This represented 2.91% of the total population of Santa Maria.

Demographics

Households

The household population of Nagtupacan in the 2015 Census was 778 broken down into 179 households or an average of 4.35 members per household.

details
Number of households in Nagtupacan (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
6171175.27
5671184.81
6211274.89
7661535.01
7801624.81
7781794.35

Population by age group

According to the 2015 Census, the age group with the highest population in Nagtupacan is 5 to 9, with 86 individuals. Conversely, the age group with the lowest population is Under 1, with 8 individuals.

details
Population of Nagtupacan by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 181.03%
1 to 4536.81%
5 to 98611.05%
10 to 14709.00%
15 to 198010.28%
20 to 24627.97%
25 to 29506.43%
30 to 34546.94%
35 to 39557.07%
40 to 44476.04%
45 to 49526.68%
50 to 54374.76%
55 to 59283.60%
60 to 64334.24%
65 to 69202.57%
70 to 74141.80%
75 to 79121.54%
80 and over172.19%
Total778100.00%
  • Youth Dependency Ratio: 43.57
  • Old Age Dependency Ratio: 12.65
  • Total Dependency Ratio: 56.22
  • Median Age: 28.00

Historical population

The population of Nagtupacan grew from 617 in 1990 to 874 in 2020, an increase of 257 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 2.48%, or an increase of 96 people, from the previous population of 778 in 2015.

Population of Nagtupacan (1990‑2020)
Census datePopulationGrowth rate
617
567-1.57%
6211.97%
7662.94%
7800.66%
778-0.05%
8742.48%

Location

Nagtupacan is situated at approximately 17.3808, 120.4763, in the island of Luzon. Elevation at these coordinates is estimated at 6.5 meters or 21.3 feet above mean sea level.


Adjacent barangays

Nagtupacan 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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