Bayubay Sur, Municipality of San Vicente, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalitySan Vicente
Postal code2726
Population (2020)1,822
Philippine major island(s)Luzon
Coordinates17.5846, 120.3800 (17° 35' North, 120° 23' East)
Estimated elevation above sea level10.4 meters (34.1 feet)

Bayubay Sur is a barangay in the municipality of San Vicente, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 1,822. This represented 13.89% of the total population of San Vicente.

Demographics

Households

The household population of Bayubay Sur in the 2015 Census was 1,685 broken down into 410 households or an average of 4.11 members per household.

details
Number of households in Bayubay Sur (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
8911794.98
1,0412104.96
1,2002375.06
1,3943034.60
1,4733324.44
1,6854104.11

Population by age group

According to the 2015 Census, the age group with the highest population in Bayubay Sur is 20 to 24, with 160 individuals. Conversely, the age group with the lowest population is 80 and over, with 19 individuals.

details
Population of Bayubay Sur by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1301.78%
1 to 41247.36%
5 to 91478.72%
10 to 141518.96%
15 to 191448.55%
20 to 241609.50%
25 to 291317.77%
30 to 341408.31%
35 to 391277.54%
40 to 441036.11%
45 to 49995.88%
50 to 541005.93%
55 to 59724.27%
60 to 64452.67%
65 to 69502.97%
70 to 74221.31%
75 to 79211.25%
80 and over191.13%
Total1,685100.00%
  • Youth Dependency Ratio: 40.32
  • Old Age Dependency Ratio: 9.99
  • Total Dependency Ratio: 50.31
  • Median Age: 28.30

Historical population

The population of Bayubay Sur grew from 891 in 1990 to 1,822 in 2020, an increase of 931 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.66%, or an increase of 137 people, from the previous population of 1,685 in 2015.

Population of Bayubay Sur (1990‑2020)
Census datePopulationGrowth rate
891
1,0412.96%
1,2003.09%
1,3942.09%
1,4732.03%
1,6852.59%
1,8221.66%

Location

Bayubay Sur is situated at approximately 17.5846, 120.3800, in the island of Luzon. Elevation at these coordinates is estimated at 10.4 meters or 34.1 feet above mean sea level.


Adjacent barangays

Bayubay 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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