Laslasong Sur, 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)835
Philippine major island(s)Luzon
Coordinates17.3810, 120.4964 (17° 23' North, 120° 30' East)
Estimated elevation above sea level10.0 meters (32.8 feet)

Laslasong Sur is a barangay in the municipality of Santa Maria, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 835. This represented 2.78% of the total population of Santa Maria.

Demographics

Households

The household population of Laslasong Sur in the 2015 Census was 630 broken down into 152 households or an average of 4.14 members per household.

details
Number of households in Laslasong Sur (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
438835.28
4981014.93
5461015.41
5941294.60
6281374.58
6301524.14

Population by age group

According to the 2015 Census, the age group with the highest population in Laslasong Sur is 15 to 19, with 78 individuals. Conversely, the age group with the lowest population is 80 and over, with 3 individuals.

details
Population of Laslasong Sur by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1101.59%
1 to 4548.57%
5 to 9507.94%
10 to 147311.59%
15 to 197812.38%
20 to 24609.52%
25 to 29345.40%
30 to 34436.83%
35 to 39416.51%
40 to 44375.87%
45 to 49416.51%
50 to 54243.81%
55 to 59193.02%
60 to 64182.86%
65 to 69203.17%
70 to 74121.90%
75 to 79132.06%
80 and over30.48%
Total630100.00%
  • Youth Dependency Ratio: 47.34
  • Old Age Dependency Ratio: 12.15
  • Total Dependency Ratio: 59.49
  • Median Age: 24.17

Historical population

The population of Laslasong Sur grew from 438 in 1990 to 835 in 2020, an increase of 397 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 6.11%, or an increase of 205 people, from the previous population of 630 in 2015.

Population of Laslasong Sur (1990‑2020)
Census datePopulationGrowth rate
438
4982.43%
5461.99%
5941.17%
6282.05%
6300.06%
8356.11%

Location

Laslasong Sur is situated at approximately 17.3810, 120.4964, in the island of Luzon. Elevation at these coordinates is estimated at 10.0 meters or 32.8 feet above mean sea level.


Adjacent barangays

Laslasong Sur 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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