
Haddam
- County Seat:
- No
- Area (mi²):
- 43.937
- State:
- Connecticut
Haddam is located in Lower CT River Valley Planning Region, Connecticut. Haddam has a 2025 population of 8,973. Haddam is currently growing at a rate of 1.13% annually and its population has increased by 6.37% since the most recent census, which recorded a population of 8,436 in 2020.
The average household income in Haddam is $147,428 with a poverty rate of 2.77%. The median age in Haddam is 45.9 years: 45.5 years for males, and 46.2 years for females.