
Delavan Lake
- County:
- Walworth County
- County Seat:
- No
- Area (mi²):
- 4.204
- State:
- Wisconsin
Delavan Lake is a CDP located in Walworth County, Wisconsin. Delavan Lake has a 2025 population of 2,995. Delavan Lake is currently growing at a rate of 0.77% annually and its population has increased by 8.83% since the most recent census, which recorded a population of 2,752 in 2020.
The average household income in Delavan Lake is $101,743 with a poverty rate of 8.71%. The median age in Delavan Lake is 49.9 years: 48.3 years for males, and 50.5 years for females.