
Watertown
- County:
- Columbia County
- County Seat:
- No
- Area (mi²):
- 2.474
- State:
- Florida
Watertown is a CDP located in Columbia County, Florida. Watertown has a 2025 population of 2,614. Watertown is currently declining at a rate of -0.53% annually but its population has increased by 9.79% since the most recent census, which recorded a population of 2,381 in 2020.
The average household income in Watertown is $45,621 with a poverty rate of 38.06%. The median age in Watertown is 47.1 years: 45.9 years for males, and 47.4 years for females.