
Watertown
- County:
- Naugatuck Valley Planning Region
- County Seat:
- No
- Area (mi²):
- 2.362
- State:
- Connecticut
Watertown is a CDP located in Naugatuck Valley Planning Region, Connecticut. Watertown has a 2025 population of 3,813. Watertown is currently growing at a rate of 0.42% annually and its population has increased by 5.33% since the most recent census, which recorded a population of 3,620 in 2020.
The average household income in Watertown is $111,924 with a poverty rate of 13.83%. The median age in Watertown is 42.5 years: 43.8 years for males, and 40.7 years for females.