
Madison
- County:
- South Central CT Planning Region
- County Seat:
- No
- Area (mi²):
- 36.148
- State:
- Connecticut
Madison is located in South Central CT Planning Region, Connecticut. Madison has a 2025 population of 17,390. Madison is currently declining at a rate of -0.31% annually and its population has decreased by -1.31% since the most recent census, which recorded a population of 17,620 in 2020.
The average household income in Madison is $213,690 with a poverty rate of 1.91%. The median age in Madison is 51.4 years: 51.2 years for males, and 51.5 years for females.