
Edwardsville
- County:
- Madison County
- County Seat:
- Yes
- Area (mi²):
- 19.981
- State:
- Illinois
Edwardsville is a city located in Madison County, Illinois. Edwardsville has a 2025 population of 26,628. It is also the county seat of Madison County. Edwardsville is currently declining at a rate of -0.13% annually and its population has decreased by -0.65% since the most recent census, which recorded a population of 26,803 in 2020.
The average household income in Edwardsville is $130,393 with a poverty rate of 11.17%. The median age in Edwardsville is 32.3 years: 33.6 years for males, and 31.6 years for females.