Dadao, Municipality of Calayan, Province of Cagayan

Summary data
Typebarangay
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceCagayan
MunicipalityCalayan
Postal code3520
Population (2020)2,042
Philippine major island(s)Calayan
Coordinates19.2658, 121.5100 (19° 16' North, 121° 31' East)
Estimated elevation above sea level103.3 meters (338.9 feet)

Dadao is a barangay in the municipality of Calayan, in the province of Cagayan. Its population as determined by the 2020 Census was 2,042. This represented 11.73% of the total population of Calayan.

Demographics

Households

The household population of Dadao in the 2015 Census was 1,853 broken down into 430 households or an average of 4.31 members per household.

details
Number of households in Dadao (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,0651935.52
1,1872315.14
1,5882845.59
1,8723824.90
1,8043744.82
1,8534304.31

Population by age group

According to the 2015 Census, the age group with the highest population in Dadao is 10 to 14, with 234 individuals. Conversely, the age group with the lowest population is 75 to 79, with 16 individuals.

details
Population of Dadao by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1361.94%
1 to 419410.47%
5 to 922011.87%
10 to 1423412.63%
15 to 191668.96%
20 to 241618.69%
25 to 291538.26%
30 to 341126.04%
35 to 391105.94%
40 to 441095.88%
45 to 491015.45%
50 to 54904.86%
55 to 59492.64%
60 to 64331.78%
65 to 69311.67%
70 to 74211.13%
75 to 79160.86%
80 and over170.92%
Total1,853100.00%
  • Youth Dependency Ratio: 63.1
  • Old Age Dependency Ratio: 7.84
  • Total Dependency Ratio: 70.94
  • Median Age: 22.38

Historical population

The population of Dadao grew from 1,065 in 1990 to 2,042 in 2020, an increase of 977 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 2.07%, or an increase of 189 people, from the previous population of 1,853 in 2015.

Population of Dadao (1990‑2020)
Census datePopulationGrowth rate
1,065
1,1872.05%
1,5886.44%
1,8722.30%
1,804-1.34%
1,8530.51%
2,0422.07%

Location

Dadao is situated at approximately 19.2658, 121.5100, in the island of Calayan. Elevation at these coordinates is estimated at 103.3 meters or 338.9 feet above mean sea level.


Adjacent barangays

Dadao 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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