Buyogan, Municipality of Siay, Province of Zamboanga Sibugay

Summary data
Typebarangay
Island groupMindanao
RegionZamboanga Peninsula (Region IX)
ProvinceZamboanga Sibugay
MunicipalitySiay
Postal code7006
Population (2020)1,170
Philippine major island(s)Mindanao
Coordinates7.7710, 122.9472 (7° 46' North, 122° 57' East)
Estimated elevation above sea level26.6 meters (87.3 feet)

Buyogan is a barangay in the municipality of Siay, in the province of Zamboanga Sibugay. Its population as determined by the 2020 Census was 1,170. This represented 2.88% of the total population of Siay.

Demographics

Households

The household population of Buyogan in the 2015 Census was 1,158 broken down into 294 households or an average of 3.94 members per household.

details
Number of households in Buyogan (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
9831805.46
1,0482055.11
9451755.40
1,0512065.10
1,2252644.64
1,1582943.94

Population by age group

According to the 2015 Census, the age group with the highest population in Buyogan is 10 to 14, with 152 individuals. Conversely, the age group with the lowest population is 80 and over, with 6 individuals.

details
Population of Buyogan by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1242.07%
1 to 412610.88%
5 to 913011.23%
10 to 1415213.13%
15 to 191099.41%
20 to 241089.33%
25 to 29927.94%
30 to 34675.79%
35 to 39625.35%
40 to 44524.49%
45 to 49645.53%
50 to 54605.18%
55 to 59383.28%
60 to 64221.90%
65 to 69221.90%
70 to 74121.04%
75 to 79121.04%
80 and over60.52%
Total1,158100.00%
  • Youth Dependency Ratio: 64.09
  • Old Age Dependency Ratio: 7.72
  • Total Dependency Ratio: 71.81
  • Median Age: 21.76

Historical population

The population of Buyogan grew from 983 in 1990 to 1,170 in 2020, an increase of 187 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 0.22%, or an increase of 12 people, from the previous population of 1,158 in 2015.

Population of Buyogan (1990‑2020)
Census datePopulationGrowth rate
983
1,0481.21%
951-2.06%
1,0511.39%
1,2255.73%
1,158-1.07%
1,1700.22%

Location

Buyogan is situated at approximately 7.7710, 122.9472, in the island of Mindanao. Elevation at these coordinates is estimated at 26.6 meters or 87.3 feet above mean sea level.


Adjacent barangays

Buyogan 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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