Lake Delton
- County:
- Sauk County
- County Seat:
- No
- Area (mi²):
- 7.654
- State:
- Wisconsin
Lake Delton is a village located in Sauk County, Wisconsin. Lake Delton has a 2026 population of 3,466. Lake Delton is currently growing at a rate of 0.14% annually but its population has decreased by -1.08% since the most recent census, which recorded a population of 3,504 in 2020.