Dasay, Municipality of Narvacan, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalityNarvacan
Postal code2704
Population (2020)1,281
Philippine major island(s)Luzon
Coordinates17.4173, 120.5024 (17° 25' North, 120° 30' East)
Estimated elevation above sea level10.9 meters (35.8 feet)

Dasay is a barangay in the municipality of Narvacan, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 1,281. This represented 2.77% of the total population of Narvacan.

Demographics

Households

The household population of Dasay in the 2015 Census was 1,254 broken down into 320 households or an average of 3.92 members per household.

details
Number of households in Dasay (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
9501875.08
9681984.89
9812054.79
9962134.68
1,1952544.70
1,2543203.92

Population by age group

According to the 2015 Census, the age group with the highest population in Dasay is 5 to 9, with 124 individuals. Conversely, the age group with the lowest population is Under 1, with 18 individuals.

details
Population of Dasay by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1181.44%
1 to 4967.66%
5 to 91249.89%
10 to 141018.05%
15 to 191128.93%
20 to 241028.13%
25 to 291058.37%
30 to 341169.25%
35 to 39755.98%
40 to 44483.83%
45 to 49816.46%
50 to 54725.74%
55 to 59503.99%
60 to 64413.27%
65 to 69332.63%
70 to 74251.99%
75 to 79211.67%
80 and over342.71%
Total1,254100.00%
  • Youth Dependency Ratio: 42.27
  • Old Age Dependency Ratio: 14.09
  • Total Dependency Ratio: 56.36
  • Median Age: 28.52

Historical population

The population of Dasay grew from 950 in 1990 to 1,281 in 2020, an increase of 331 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 0.45%, or an increase of 27 people, from the previous population of 1,254 in 2015.

Population of Dasay (1990‑2020)
Census datePopulationGrowth rate
950
9680.35%
9810.29%
9960.21%
1,1956.86%
1,2540.92%
1,2810.45%

Location

Dasay is situated at approximately 17.4173, 120.5024, in the island of Luzon. Elevation at these coordinates is estimated at 10.9 meters or 35.8 feet above mean sea level.


Adjacent barangays

Dasay 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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