Tinaan, 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)937
Philippine major island(s)Luzon
Coordinates17.3768, 120.4911 (17° 23' North, 120° 29' East)
Estimated elevation above sea level9.0 meters (29.5 feet)

Tinaan is a barangay in the municipality of Santa Maria, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 937. This represented 3.12% of the total population of Santa Maria.

Demographics

Households

The household population of Tinaan in the 2015 Census was 1,035 broken down into 233 households or an average of 4.44 members per household.

details
Number of households in Tinaan (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
7901714.62
8251784.63
8451844.59
8471984.28
1,0532184.83
1,0352334.44

Population by age group

According to the 2015 Census, the age group with the highest population in Tinaan is 10 to 14, with 98 individuals. Conversely, the age group with the lowest population is Under 1, with 16 individuals.

details
Population of Tinaan by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1161.55%
1 to 4666.38%
5 to 9959.18%
10 to 14989.47%
15 to 19696.67%
20 to 24908.70%
25 to 29898.60%
30 to 34969.28%
35 to 39757.25%
40 to 44555.31%
45 to 49504.83%
50 to 54565.41%
55 to 59504.83%
60 to 64373.57%
65 to 69323.09%
70 to 74232.22%
75 to 79191.84%
80 and over191.84%
Total1,035100.00%
  • Youth Dependency Ratio: 41.23
  • Old Age Dependency Ratio: 13.94
  • Total Dependency Ratio: 55.17
  • Median Age: 29.69

Historical population

The population of Tinaan grew from 790 in 1990 to 937 in 2020, an increase of 147 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 2.07%, or a decrease of 98 people, from the previous population of 1,035 in 2015.

Population of Tinaan (1990‑2020)
Census datePopulationGrowth rate
790
8250.82%
8450.51%
8470.03%
1,0538.25%
1,035-0.33%
937-2.07%

Location

Tinaan is situated at approximately 17.3768, 120.4911, in the island of Luzon. Elevation at these coordinates is estimated at 9.0 meters or 29.5 feet above mean sea level.


Adjacent barangays

Tinaan 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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