Imnajbu, Municipality of Uyugan, Province of Batanes

Summary data
Typebarangay
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceBatanes
MunicipalityUyugan
Postal code3903
Population (2020)177
Philippine major island(s)Batan
Coordinates20.3801, 121.9716 (20° 23' North, 121° 58' East)
Estimated elevation above sea level71.9 meters (235.9 feet)

Imnajbu is a barangay in the municipality of Uyugan, in the province of Batanes. Its population as determined by the 2020 Census was 177. This represented 12.83% of the total population of Uyugan.

Demographics

Households

The household population of Imnajbu in the 2015 Census was 164 broken down into 43 households or an average of 3.81 members per household.

details
Number of households in Imnajbu (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
149295.14
147304.90
130333.94
139423.31
159453.53
164433.81

Population by age group

According to the 2015 Census, the age group with the highest population in Imnajbu is 10 to 14, with 20 individuals. Conversely, the age groups with the lowest population are in the ranges 55 to 59, 60 to 64, 65 to 69, and 70 to 74, with 3 individuals.

details
Population of Imnajbu by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 163.66%
1 to 4127.32%
5 to 9159.15%
10 to 142012.20%
15 to 19106.10%
20 to 241710.37%
25 to 2995.49%
30 to 3442.44%
35 to 3984.88%
40 to 441911.59%
45 to 49137.93%
50 to 5463.66%
55 to 5931.83%
60 to 6431.83%
65 to 6931.83%
70 to 7431.83%
75 to 7963.66%
80 and over74.27%
Total164100.00%
  • Youth Dependency Ratio: 57.61
  • Old Age Dependency Ratio: 20.65
  • Total Dependency Ratio: 78.26
  • Median Age: 26.11

Historical population

The population of Imnajbu grew from 149 in 1990 to 177 in 2020, an increase of 28 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.62%, or an increase of 13 people, from the previous population of 164 in 2015.

Population of Imnajbu (1990‑2020)
Census datePopulationGrowth rate
149
147-0.25%
130-2.60%
1390.93%
1595.01%
1640.59%
1771.62%

Location

Imnajbu is situated at approximately 20.3801, 121.9716, in the island of Batan. Elevation at these coordinates is estimated at 71.9 meters or 235.9 feet above mean sea level.


Adjacent barangays

Imnajbu 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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