Sumnanga, Municipality of Sabtang, Province of Batanes

Summary data
Typebarangay
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceBatanes
MunicipalitySabtang
Postal code3904
Population (2020)360
Philippine major island(s)Sabtang
Coordinates20.2936, 121.8543 (20° 18' North, 121° 51' East)
Estimated elevation above sea level88.7 meters (291.0 feet)

Sumnanga is a barangay in the municipality of Sabtang, in the province of Batanes. Its population as determined by the 2020 Census was 360. This represented 21.23% of the total population of Sabtang.

Demographics

Households

The household population of Sumnanga in the 2015 Census was 378 broken down into 88 households or an average of 4.30 members per household.

details
Number of households in Sumnanga (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
333595.64
301595.10
351665.32
290684.26
347724.82
378884.30

Population by age group

According to the 2015 Census, the age group with the highest population in Sumnanga is 5 to 9, with 40 individuals. Conversely, the age groups with the lowest population are in the ranges 70 to 74, and 75 to 79, with 8 individuals.

details
Population of Sumnanga by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1123.17%
1 to 4287.41%
5 to 94010.58%
10 to 14359.26%
15 to 19369.52%
20 to 24266.88%
25 to 29307.94%
30 to 34297.67%
35 to 39318.20%
40 to 44266.88%
45 to 49174.50%
50 to 54123.17%
55 to 59102.65%
60 to 64123.17%
65 to 6992.38%
70 to 7482.12%
75 to 7982.12%
80 and over92.38%
Total378100.00%
  • Youth Dependency Ratio: 50.22
  • Old Age Dependency Ratio: 14.85
  • Total Dependency Ratio: 65.07
  • Median Age: 27.00

Historical population

The population of Sumnanga grew from 333 in 1990 to 360 in 2020, an increase of 27 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 1.02%, or a decrease of 18 people, from the previous population of 378 in 2015.

Population of Sumnanga (1990‑2020)
Census datePopulationGrowth rate
333
301-1.87%
3513.35%
290-2.60%
3476.75%
3781.64%
360-1.02%

Location

Sumnanga is situated at approximately 20.2936, 121.8543, in the island of Sabtang. Elevation at these coordinates is estimated at 88.7 meters or 291.0 feet above mean sea level.


Adjacent barangays

Sumnanga 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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