Cawayan I, Municipality of San Francisco, Province of Quezon
| Type | barangay | 
|---|---|
| Island group | Luzon | 
| Region | CALABARZON (Region IV‑A) | 
| Province | Quezon | 
| Municipality | San Francisco | 
| Postal code | 4315 | 
| Population (2020) | 4,318 | 
| Philippine major island(s) | Luzon | 
| Coordinates | 13.3563, 122.5142 (13° 21' North, 122° 31' East) | 
| Estimated elevation above sea level | 12.5 meters (41.0 feet) | 
Cawayan I is a barangay in the municipality of San Francisco, in the province of Quezon. Its population as determined by the 2020 Census was 4,318. This represented 6.95% of the total population of San Francisco.
Demographics
Households
The household population of Cawayan I in the 2015 Census was 4,361 broken down into 1,057 households or an average of 4.13 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size | 
|---|---|---|---|
| 1,869 | 389 | 4.80 | |
| 2,907 | 622 | 4.67 | |
| 2,991 | 595 | 5.03 | |
| 4,810 | 1,000 | 4.81 | |
| 3,617 | 823 | 4.39 | |
| 4,361 | 1,057 | 4.13 | 
Population by age group
According to the 2015 Census, the age group with the highest population in Cawayan I is 5 to 9, with 567 individuals. Conversely, the age group with the lowest population is 80 and over, with 15 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage | 
|---|---|---|
| Under 1 | 91 | 2.08% | 
| 1 to 4 | 455 | 10.42% | 
| 5 to 9 | 567 | 12.99% | 
| 10 to 14 | 516 | 11.82% | 
| 15 to 19 | 509 | 11.66% | 
| 20 to 24 | 427 | 9.78% | 
| 25 to 29 | 344 | 7.88% | 
| 30 to 34 | 243 | 5.57% | 
| 35 to 39 | 232 | 5.32% | 
| 40 to 44 | 229 | 5.25% | 
| 45 to 49 | 223 | 5.11% | 
| 50 to 54 | 159 | 3.64% | 
| 55 to 59 | 123 | 2.82% | 
| 60 to 64 | 77 | 1.76% | 
| 65 to 69 | 74 | 1.70% | 
| 70 to 74 | 47 | 1.08% | 
| 75 to 79 | 34 | 0.78% | 
| 80 and over | 15 | 0.34% | 
| Total | 4,365 | 100.00% | 
| 
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Historical population
The population of Cawayan I grew from 1,869 in 1990 to 4,318 in 2020, an increase of 2,449 people over the course of 30 years. The latest census figures in 2020 denote a negative annualized growth rate of 0.23%, or a decrease of 47 people, from the previous population of 4,365 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate | 
|---|---|---|
| 1,869 | – | |
| 2,907 | 8.63% | |
| 2,991 | 0.61% | |
| 4,810 | 6.77% | |
| 3,617 | -9.86% | |
| 4,365 | 3.64% | |
| 4,318 | -0.23% | 
Location
Cawayan I is situated at approximately 13.3563, 122.5142, in the island of Luzon. Elevation at these coordinates is estimated at 12.5 meters or 41.0 feet above mean sea level.
Adjacent barangays
Cawayan I 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.