Lower Liasan, Municipality of Tambulig, Province of Zamboanga del Sur

Summary data
Typebarangay
Island groupMindanao
RegionZamboanga Peninsula (Region IX)
ProvinceZamboanga del Sur
MunicipalityTambulig
Postal code7025
Population (2020)387
Philippine major island(s)Mindanao
Coordinates8.1249, 123.5184 (8° 7' North, 123° 31' East)
Estimated elevation above sea level200.2 meters (656.8 feet)

Lower Liasan is a barangay in the municipality of Tambulig, in the province of Zamboanga del Sur. Its population as determined by the 2020 Census was 387. This represented 1.03% of the total population of Tambulig.

Demographics

Households

The household population of Lower Liasan in the 2015 Census was 406 broken down into 93 households or an average of 4.37 members per household.

details
Number of households in Lower Liasan (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
268544.96
306644.78
372626.00
400725.56
419765.51
406934.37

Population by age group

According to the 2015 Census, the age group with the highest population in Lower Liasan is 5 to 9, with 46 individuals. Conversely, the age group with the lowest population is 80 and over, with 1 individual.

details
Population of Lower Liasan by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1102.46%
1 to 44511.08%
5 to 94611.33%
10 to 144310.59%
15 to 194110.10%
20 to 24389.36%
25 to 29327.88%
30 to 34338.13%
35 to 39276.65%
40 to 44215.17%
45 to 49133.20%
50 to 54112.71%
55 to 5992.22%
60 to 64112.71%
65 to 69102.46%
70 to 7492.22%
75 to 7961.48%
80 and over10.25%
Total406100.00%
  • Youth Dependency Ratio: 61.02
  • Old Age Dependency Ratio: 11.02
  • Total Dependency Ratio: 72.04
  • Median Age: 22.37

Historical population

The population of Lower Liasan grew from 268 in 1990 to 387 in 2020, an increase of 119 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 1.00%, or a decrease of 19 people, from the previous population of 406 in 2015.

Population of Lower Liasan (1990‑2020)
Census datePopulationGrowth rate
268
3062.52%
3724.28%
4001.01%
4191.70%
406-0.60%
387-1.00%

Location

Lower Liasan is situated at approximately 8.1249, 123.5184, in the island of Mindanao. Elevation at these coordinates is estimated at 200.2 meters or 656.8 feet above mean sea level.


Adjacent barangays

Lower Liasan 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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