
Putnam
- County:
- Northeastern CT Planning Region
- County Seat:
- No
- Area (mi²):
- 3.898
- State:
- Connecticut
Putnam is a CDP located in Northeastern CT Planning Region, Connecticut. Putnam has a 2025 population of 7,205. Putnam is currently declining at a rate of -0.01% annually but its population has increased by 0.94% since the most recent census, which recorded a population of 7,138 in 2020.
The average household income in Putnam is $74,634 with a poverty rate of 11.94%. The median age in Putnam is 42.9 years: 42.2 years for males, and 43.3 years for females.