Lubong, Municipality of Santa Maria, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalitySanta Maria
Postal code2705
Population (2020)1,072
Philippine major island(s)Luzon
Coordinates17.3561, 120.4779 (17° 21' North, 120° 29' East)
Estimated elevation above sea level13.7 meters (44.9 feet)

Lubong is a barangay in the municipality of Santa Maria, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 1,072. This represented 3.57% of the total population of Santa Maria.

Demographics

Households

The household population of Lubong in the 2015 Census was 960 broken down into 228 households or an average of 4.21 members per household.

details
Number of households in Lubong (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
5551095.09
6241245.03
7241425.10
7511694.44
9362014.66
9602284.21

Population by age group

According to the 2015 Census, the age group with the highest population in Lubong is 10 to 14, with 110 individuals. Conversely, the age group with the lowest population is 75 to 79, with 9 individuals.

details
Population of Lubong by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1151.56%
1 to 4899.27%
5 to 9828.54%
10 to 1411011.46%
15 to 19868.96%
20 to 24929.58%
25 to 29778.02%
30 to 34697.19%
35 to 39565.83%
40 to 44575.94%
45 to 49464.79%
50 to 54515.31%
55 to 59383.96%
60 to 64252.60%
65 to 69313.23%
70 to 74151.56%
75 to 7990.94%
80 and over121.25%
Total960100.00%
  • Youth Dependency Ratio: 49.58
  • Old Age Dependency Ratio: 11.22
  • Total Dependency Ratio: 60.8
  • Median Age: 25.39

Historical population

The population of Lubong grew from 555 in 1990 to 1,072 in 2020, an increase of 517 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 2.35%, or an increase of 112 people, from the previous population of 960 in 2015.

Population of Lubong (1990‑2020)
Census datePopulationGrowth rate
555
6242.22%
7243.24%
7510.51%
9368.35%
9600.48%
1,0722.35%

Location

Lubong is situated at approximately 17.3561, 120.4779, in the island of Luzon. Elevation at these coordinates is estimated at 13.7 meters or 44.9 feet above mean sea level.


Adjacent barangays

Lubong 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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