Zone I, Municipality of Libon, Province of Albay

Summary data
Typebarangay
Island groupLuzon
RegionBicol Region (Region V)
ProvinceAlbay
MunicipalityLibon
Postal code4507
Population (2020)1,415
Philippine major island(s)Luzon
Coordinates13.2958, 123.4421 (13° 18' North, 123° 27' East)
Estimated elevation above sea level18.6 meters (61.0 feet)

Zone I, formerly Poblacion, is a barangay in the municipality of Libon, in the province of Albay. Its population as determined by the 2020 Census was 1,415. This represented 1.88% of the total population of Libon.

Demographics

Households

The household population of Zone I in the 2015 Census was 1,486 broken down into 298 households or an average of 4.99 members per household.

details
Number of households in Zone I (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,2842136.03
1,0922095.22
1,3632615.22
1,4422904.97
1,3792854.84
1,4862984.99

Population by age group

According to the 2015 Census, the age group with the highest population in Zone I is 15 to 19, with 192 individuals. Conversely, the age group with the lowest population is 75 to 79, with 16 individuals.

details
Population of Zone I by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1291.95%
1 to 41187.94%
5 to 915710.57%
10 to 141429.56%
15 to 1919212.92%
20 to 241107.40%
25 to 29966.46%
30 to 341036.93%
35 to 39926.19%
40 to 441016.80%
45 to 49744.98%
50 to 54765.11%
55 to 59493.30%
60 to 64402.69%
65 to 69402.69%
70 to 74281.88%
75 to 79161.08%
80 and over231.55%
Total1,486100.00%
  • Youth Dependency Ratio: 47.8
  • Old Age Dependency Ratio: 11.47
  • Total Dependency Ratio: 59.27
  • Median Age: 24.77

Historical population

The population of Zone I grew from 1,284 in 1990 to 1,415 in 2020, an increase of 131 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 1.03%, or a decrease of 71 people, from the previous population of 1,486 in 2015.

Population of Zone I (1990‑2020)
Census datePopulationGrowth rate
1,284
1,092-2.99%
1,3634.87%
1,4420.78%
1,379-1.61%
1,4861.43%
1,415-1.03%

Location

Zone I is situated at approximately 13.2958, 123.4421, in the island of Luzon. Elevation at these coordinates is estimated at 18.6 meters or 61.0 feet above mean sea level.


Adjacent barangays

Zone I 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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