Zone I Poblacion, Municipality of Bulan, Province of Sorsogon

Summary data
Typebarangay
Island groupLuzon
RegionBicol Region (Region V)
ProvinceSorsogon
MunicipalityBulan
Postal code4706
Population (2020)668
Philippine major island(s)Luzon
Coordinates12.6626, 123.8756 (12° 40' North, 123° 53' East)
Estimated elevation above sea level4.4 meters (14.4 feet)

Zone I Poblacion, formerly Barangay 1- South Ilawod, is a barangay in the municipality of Bulan, in the province of Sorsogon. Its population as determined by the 2020 Census was 668. This represented 0.64% of the total population of Bulan.

Demographics

Households

The household population of Zone I Poblacion in the 2015 Census was 648 broken down into 137 households or an average of 4.73 members per household.

details
Number of households in Zone I Poblacion (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
4821024.73
5061084.69
4421054.21
5581224.57
5891304.53
6481374.73

Population by age group

According to the 2015 Census, the age group with the highest population in Zone I Poblacion is 10 to 14, with 80 individuals. Conversely, the age group with the lowest population is 75 to 79, with 4 individuals.

details
Population of Zone I Poblacion by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1111.70%
1 to 4385.86%
5 to 96910.65%
10 to 148012.35%
15 to 197411.42%
20 to 24629.57%
25 to 29335.09%
30 to 34355.40%
35 to 39324.94%
40 to 44335.09%
45 to 49345.25%
50 to 54497.56%
55 to 59324.94%
60 to 64314.78%
65 to 69111.70%
70 to 7460.93%
75 to 7940.62%
80 and over142.16%
Total648100.00%
  • Youth Dependency Ratio: 47.71
  • Old Age Dependency Ratio: 8.43
  • Total Dependency Ratio: 56.14
  • Median Age: 24.19

Historical population

The population of Zone I Poblacion grew from 482 in 1990 to 668 in 2020, an increase of 186 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 0.64%, or an increase of 20 people, from the previous population of 648 in 2015.

Population of Zone I Poblacion (1990‑2020)
Census datePopulationGrowth rate
482
5060.91%
443-2.81%
5583.23%
5891.99%
6481.83%
6680.64%

Location

Zone I Poblacion is situated at approximately 12.6626, 123.8756, in the island of Luzon. Elevation at these coordinates is estimated at 4.4 meters or 14.4 feet above mean sea level.


Adjacent barangays

Zone I Poblacion 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)