Baybay, Municipality of Santo Tomas, Province of La Union
| Type | barangay | 
|---|---|
| Island group | Luzon | 
| Region | Ilocos Region (Region I) | 
| Province | La Union | 
| Municipality | Santo Tomas | 
| Postal code | 2505 | 
| Population (2020) | 1,651 | 
| Philippine major island(s) | Luzon | 
| Coordinates | 16.2836, 120.3498 (16° 17' North, 120° 21' East) | 
| Estimated elevation above sea level | 7.7 meters (25.3 feet) | 
Baybay is a barangay in the municipality of Santo Tomas, in the province of La Union. Its population as determined by the 2020 Census was 1,651. This represented 4.04% of the total population of Santo Tomas.
Demographics
Households
The household population of Baybay in the 2015 Census was 1,379 broken down into 284 households or an average of 4.86 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size | 
|---|---|---|---|
| 1,226 | 206 | 5.95 | |
| 1,303 | 265 | 4.92 | |
| 1,310 | 241 | 5.44 | |
| 1,338 | 282 | 4.74 | |
| 1,415 | 278 | 5.09 | |
| 1,379 | 284 | 4.86 | 
Population by age group
According to the 2015 Census, the age group with the highest population in Baybay is 10 to 14, with 156 individuals. Conversely, the age group with the lowest population is 80 and over, with 10 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage | 
|---|---|---|
| Under 1 | 33 | 2.39% | 
| 1 to 4 | 132 | 9.57% | 
| 5 to 9 | 145 | 10.51% | 
| 10 to 14 | 156 | 11.31% | 
| 15 to 19 | 126 | 9.14% | 
| 20 to 24 | 116 | 8.41% | 
| 25 to 29 | 118 | 8.56% | 
| 30 to 34 | 106 | 7.69% | 
| 35 to 39 | 74 | 5.37% | 
| 40 to 44 | 62 | 4.50% | 
| 45 to 49 | 57 | 4.13% | 
| 50 to 54 | 74 | 5.37% | 
| 55 to 59 | 61 | 4.42% | 
| 60 to 64 | 51 | 3.70% | 
| 65 to 69 | 34 | 2.47% | 
| 70 to 74 | 12 | 0.87% | 
| 75 to 79 | 12 | 0.87% | 
| 80 and over | 10 | 0.73% | 
| Total | 1,379 | 100.00% | 
| 
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Historical population
The population of Baybay grew from 1,226 in 1990 to 1,651 in 2020, an increase of 425 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 3.86%, or an increase of 272 people, from the previous population of 1,379 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate | 
|---|---|---|
| 1,226 | – | |
| 1,303 | 1.15% | |
| 1,310 | 0.11% | |
| 1,338 | 0.29% | |
| 1,415 | 2.06% | |
| 1,379 | -0.49% | |
| 1,651 | 3.86% | 
Location
Baybay is situated at approximately 16.2836, 120.3498, in the island of Luzon. Elevation at these coordinates is estimated at 7.7 meters or 25.3 feet above mean sea level.
Adjacent barangays
Baybay shares a common border with the following barangay(s):
Notes
- Data on population, and households, are from the Philippine Statistics Authority.
- Postal code information is from the Philippine Postal Corporation.