Tamdagan, Municipality of Vintar, Province of Ilocos Norte

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Norte
MunicipalityVintar
Postal code2915
Population (2020)1,351
Philippine major island(s)Luzon
Coordinates18.3245, 120.7317 (18° 19' North, 120° 44' East)
Estimated elevation above sea level77.0 meters (252.6 feet)

Tamdagan is a barangay in the municipality of Vintar, in the province of Ilocos Norte. Its population as determined by the 2020 Census was 1,351. This represented 4.05% of the total population of Vintar.

Demographics

Households

The household population of Tamdagan in the 2015 Census was 1,346 broken down into 374 households or an average of 3.60 members per household.

details
Number of households in Tamdagan (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,0932185.01
1,0132194.63
1,1312344.83
1,0622584.12
1,2212994.08
1,3463743.60

Population by age group

According to the 2015 Census, the age group with the highest population in Tamdagan is 10 to 14, with 113 individuals. Conversely, the age groups with the lowest population are in the ranges Under 1, and 70 to 74, with 26 individuals.

details
Population of Tamdagan by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1261.93%
1 to 41088.02%
5 to 91007.43%
10 to 141138.40%
15 to 19987.28%
20 to 241098.10%
25 to 291037.65%
30 to 341047.73%
35 to 39926.84%
40 to 44936.91%
45 to 49745.50%
50 to 54654.83%
55 to 59674.98%
60 to 64554.09%
65 to 69493.64%
70 to 74261.93%
75 to 79372.75%
80 and over272.01%
Total1,346100.00%
  • Youth Dependency Ratio: 40.35
  • Old Age Dependency Ratio: 16.16
  • Total Dependency Ratio: 56.51
  • Median Age: 30.77

Historical population

The population of Tamdagan grew from 1,093 in 1990 to 1,351 in 2020, an increase of 258 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 0.08%, or an increase of 5 people, from the previous population of 1,346 in 2015.

Population of Tamdagan (1990‑2020)
Census datePopulationGrowth rate
1,093
1,013-1.41%
1,1312.39%
1,062-0.86%
1,2215.21%
1,3461.87%
1,3510.08%

Location

Tamdagan is situated at approximately 18.3245, 120.7317, in the island of Luzon. Elevation at these coordinates is estimated at 77.0 meters or 252.6 feet above mean sea level.


Adjacent barangays

Tamdagan 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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