
Delavan
- County:
- Walworth County
- County Seat:
- No
- Area (mi²):
- 7.41
- State:
- Wisconsin
Delavan is a city located in Walworth County, Wisconsin. Delavan has a 2025 population of 8,521. Delavan is currently declining at a rate of -0.01% annually and its population has decreased by -0.05% since the most recent census, which recorded a population of 8,525 in 2020.
The average household income in Delavan is $80,853 with a poverty rate of 9.62%. The median age in Delavan is 38.6 years: 35.9 years for males, and 40.1 years for females.