Seriac, Municipality of Siayan, Province of Zamboanga del Norte

Summary data
Typebarangay
Island groupMindanao
RegionZamboanga Peninsula (Region IX)
ProvinceZamboanga del Norte
MunicipalitySiayan
Postal code7113
Population (2020)916
Philippine major island(s)Mindanao
Coordinates8.1776, 123.2058 (8° 11' North, 123° 12' East)
Estimated elevation above sea level227.4 meters (746.1 feet)

Seriac is a barangay in the municipality of Siayan, in the province of Zamboanga del Norte. Its population as determined by the 2020 Census was 916. This represented 2.53% of the total population of Siayan.

Demographics

Households

The household population of Seriac in the 2015 Census was 919 broken down into 195 households or an average of 4.71 members per household.

details
Number of households in Seriac (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
9221675.52
8841685.26
1,0271905.41
9861765.60
8601685.12
9191954.71

Population by age group

According to the 2015 Census, the age group with the highest population in Seriac is 5 to 9, with 127 individuals. Conversely, the age groups with the lowest population are in the ranges 75 to 79, and 80 and over, with 6 individuals.

details
Population of Seriac by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1313.37%
1 to 412313.38%
5 to 912713.82%
10 to 1410411.32%
15 to 1910110.99%
20 to 24899.68%
25 to 29626.75%
30 to 34515.55%
35 to 39414.46%
40 to 44465.01%
45 to 49303.26%
50 to 54272.94%
55 to 59333.59%
60 to 64222.39%
65 to 69121.31%
70 to 7480.87%
75 to 7960.65%
80 and over60.65%
Total919100.00%
  • Youth Dependency Ratio: 76.69
  • Old Age Dependency Ratio: 6.37
  • Total Dependency Ratio: 83.06
  • Median Age: 18.69

Historical population

The population of Seriac fell from 922 in 1990 to 916 in 2020, a decrease of 6 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 0.07%, or a decrease of 3 people, from the previous population of 919 in 2015.

Population of Seriac (1990‑2020)
Census datePopulationGrowth rate
922
884-0.79%
1,0273.27%
986-0.56%
860-4.85%
9191.27%
916-0.07%

Location

Seriac is situated at approximately 8.1776, 123.2058, in the island of Mindanao. Elevation at these coordinates is estimated at 227.4 meters or 746.1 feet above mean sea level.


Adjacent barangays

Seriac 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.
(Back to top)