Dumanisi, Municipality of Diffun, Province of Quirino

Summary data
Typebarangay
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceQuirino
MunicipalityDiffun
Postal code3401
Population (2020)2,084
Philippine major island(s)Luzon
Coordinates16.5436, 121.4612 (16° 33' North, 121° 28' East)
Estimated elevation above sea level169.5 meters (556.1 feet)

Dumanisi is a barangay in the municipality of Diffun, in the province of Quirino. Its population as determined by the 2020 Census was 2,084. This represented 3.71% of the total population of Diffun.

Demographics

Households

The household population of Dumanisi in the 2015 Census was 1,957 broken down into 479 households or an average of 4.09 members per household.

Trends in household population and size

Number of households in Dumanisi (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,0292065.00
1,2472504.99
1,3052854.58
1,4893414.37
1,6703974.21
1,9574794.09

Population by age group

According to the 2015 Census, the age group with the highest population in Dumanisi is 5 to 9, with 239 individuals. Conversely, the age group with the lowest population is 80 and over, with 8 individuals.

Age distribution

Population of Dumanisi by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1412.10%
1 to 41738.84%
5 to 923912.21%
10 to 1420110.27%
15 to 191668.48%
20 to 241859.45%
25 to 291588.07%
30 to 341588.07%
35 to 391427.26%
40 to 441326.75%
45 to 49985.01%
50 to 54643.27%
55 to 59593.01%
60 to 64633.22%
65 to 69381.94%
70 to 74201.02%
75 to 79120.61%
80 and over80.41%
Total1,957100.00%
  • Youth Dependency Ratio: 53.39
  • Old Age Dependency Ratio: 6.37
  • Total Dependency Ratio: 59.76
  • Median Age: 24.28

Historical population

The population of Dumanisi grew from 1,029 in 1990 to 2,084 in 2020, an increase of 1,055 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 1.33%, or an increase of 127 people, from the previous population of 1,957 in 2015.

Trends in population growth

Population of Dumanisi (1990‑2020)
Census datePopulationAnnualized Growth Rate
1,029
1,2473.67%
1,3050.98%
1,4891.84%
1,6704.26%
1,9573.07%
2,0841.33%

Location

Dumanisi is situated at approximately 16.5436, 121.4612, in the island of Luzon. Elevation at these coordinates is estimated at 169.5 meters or 556.1 feet above mean sea level.


Adjacent barangays

Dumanisi 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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