
Wallingford
- County:
- South Central CT Planning Region
- County Seat:
- No
- Area (mi²):
- 39.164
- State:
- Connecticut
Wallingford is located in South Central CT Planning Region, Connecticut. Wallingford has a 2025 population of 43,449. Wallingford is currently declining at a rate of -0.32% annually and its population has decreased by -1.75% since the most recent census, which recorded a population of 44,222 in 2020.
The average household income in Wallingford is $120,987 with a poverty rate of 5.75%. The median age in Wallingford is 43.7 years: 42.5 years for males, and 45.8 years for females.