Dalawa, Municipality of Alilem, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalityAlilem
Postal code2716
Population (2020)1,421
Philippine major island(s)Luzon
Coordinates16.9177, 120.5288 (16° 55' North, 120° 32' East)
Estimated elevation above sea level341.3 meters (1,119.7 feet)

Dalawa is a barangay in the municipality of Alilem, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 1,421. This represented 19.30% of the total population of Alilem.

Demographics

Households

The household population of Dalawa in the 2015 Census was 1,241 broken down into 269 households or an average of 4.61 members per household.

details
Number of households in Dalawa (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,0771855.82
1,1592015.77
1,2842245.73
1,1722354.99
1,2482594.82
1,2412694.61

Population by age group

According to the 2015 Census, the age group with the highest population in Dalawa is 5 to 9, with 133 individuals. Conversely, the age group with the lowest population is Under 1, with 15 individuals.

details
Population of Dalawa by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1151.21%
1 to 4816.53%
5 to 913310.72%
10 to 141249.99%
15 to 191169.35%
20 to 241018.14%
25 to 291098.78%
30 to 34937.49%
35 to 39786.29%
40 to 44826.61%
45 to 49614.92%
50 to 54483.87%
55 to 59554.43%
60 to 64524.19%
65 to 69312.50%
70 to 74161.29%
75 to 79231.85%
80 and over231.85%
Total1,241100.00%
  • Youth Dependency Ratio: 44.4
  • Old Age Dependency Ratio: 11.7
  • Total Dependency Ratio: 56.1
  • Median Age: 27.32

Historical population

The population of Dalawa grew from 1,077 in 1990 to 1,421 in 2020, an increase of 344 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 2.89%, or an increase of 180 people, from the previous population of 1,241 in 2015.

Population of Dalawa (1990‑2020)
Census datePopulationGrowth rate
1,077
1,1591.38%
1,2842.22%
1,172-1.25%
1,2482.31%
1,241-0.11%
1,4212.89%

Location

Dalawa is situated at approximately 16.9177, 120.5288, in the island of Luzon. Elevation at these coordinates is estimated at 341.3 meters or 1,119.7 feet above mean sea level.


Adjacent barangays

Dalawa 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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