Nagbayan, Municipality of Castillejos, Province of Zambales

Summary data
Typebarangay
Island groupLuzon
RegionCentral Luzon (Region III)
ProvinceZambales
MunicipalityCastillejos
Postal code2208
Population (2020)3,602
Philippine major island(s)Luzon
Coordinates14.9364, 120.1651 (14° 56' North, 120° 10' East)
Estimated elevation above sea level42.1 meters (138.1 feet)

Nagbayan is a barangay in the municipality of Castillejos, in the province of Zambales. Its population as determined by the 2020 Census was 3,602. This represented 5.31% of the total population of Castillejos.

Demographics

Households

The household population of Nagbayan in the 2015 Census was 2,978 broken down into 719 households or an average of 4.14 members per household.

details
Number of households in Nagbayan (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,2162794.36
1,2732774.60
1,6483764.38
2,3115754.02
2,3305484.25
2,9787194.14

Population by age group

According to the 2015 Census, the age group with the highest population in Nagbayan is 5 to 9, with 328 individuals. Conversely, the age group with the lowest population is 80 and over, with 25 individuals.

details
Population of Nagbayan by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1762.55%
1 to 42839.50%
5 to 932811.01%
10 to 1430910.38%
15 to 192809.40%
20 to 242408.06%
25 to 292518.43%
30 to 341966.58%
35 to 392107.05%
40 to 441635.47%
45 to 491665.57%
50 to 541194.00%
55 to 591043.49%
60 to 64993.32%
65 to 69642.15%
70 to 74311.04%
75 to 79341.14%
80 and over250.84%
Total2,978100.00%
  • Youth Dependency Ratio: 54.49
  • Old Age Dependency Ratio: 8.42
  • Total Dependency Ratio: 62.91
  • Median Age: 24.44

Historical population

The population of Nagbayan grew from 1,216 in 1990 to 3,602 in 2020, an increase of 2,386 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 4.09%, or an increase of 624 people, from the previous population of 2,978 in 2015.

Population of Nagbayan (1990‑2020)
Census datePopulationGrowth rate
1,216
1,2730.86%
1,6485.69%
2,3114.77%
2,4211.71%
2,9784.02%
3,6024.09%

Location

Nagbayan is situated at approximately 14.9364, 120.1651, in the island of Luzon. Elevation at these coordinates is estimated at 42.1 meters or 138.1 feet above mean sea level.


Adjacent barangays

Nagbayan 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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