Serna, City of Surigao, Province of Surigao del Norte

Summary data
Typebarangay
Island groupMindanao
RegionCaraga (Region XIII)
ProvinceSurigao del Norte
CitySurigao City
Postal code8400
Population (2020)1,701
Philippine major island(s)Mindanao
Coordinates9.7243, 125.4832 (9° 43' North, 125° 29' East)
Estimated elevation above sea level22.1 meters (72.5 feet)

Serna, formerly Bad-asay, is a barangay in Surigao City, in the province of Surigao del Norte. Its population as determined by the 2020 Census was 1,701. This represented 0.99% of the total population of Surigao City.

Demographics

Households

The household population of Serna in the 2015 Census was 1,414 broken down into 322 households or an average of 4.39 members per household.

details
Number of households in Serna (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
7751405.54
8301585.25
8831784.96
1,1302304.91
1,1972524.75
1,4143224.39

Population by age group

According to the 2015 Census, the age group with the highest population in Serna is 10 to 14, with 175 individuals. Conversely, the age group with the lowest population is 80 and over, with 6 individuals.

details
Population of Serna by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1221.53%
1 to 41278.83%
5 to 91439.94%
10 to 1417512.17%
15 to 1917211.96%
20 to 241359.39%
25 to 291137.86%
30 to 34886.12%
35 to 39825.70%
40 to 44735.08%
45 to 49845.84%
50 to 54473.27%
55 to 59543.76%
60 to 64523.62%
65 to 69251.74%
70 to 74271.88%
75 to 79130.90%
80 and over60.42%
Total1,438100.00%
  • Youth Dependency Ratio: 51.89
  • Old Age Dependency Ratio: 7.89
  • Total Dependency Ratio: 59.78
  • Median Age: 22.96

Historical population

The population of Serna grew from 775 in 1990 to 1,701 in 2020, an increase of 926 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 3.60%, or an increase of 263 people, from the previous population of 1,438 in 2015.

Population of Serna (1990‑2020)
Census datePopulationGrowth rate
775
8301.29%
8831.34%
1,1303.46%
1,2333.23%
1,4382.97%
1,7013.60%

Location

Serna is situated at approximately 9.7243, 125.4832, in the island of Mindanao. Elevation at these coordinates is estimated at 22.1 meters or 72.5 feet above mean sea level.


Adjacent barangays

Serna 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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