
Casco
- County:
- Kewaunee County
- County Seat:
- No
- Area (mi²):
- 0.666
- State:
- Wisconsin
Casco is a village located in Kewaunee County, Wisconsin. Casco has a 2025 population of 684. Casco is currently growing at a rate of 1.63% annually and its population has increased by 8.92% since the most recent census, which recorded a population of 628 in 2020.
The average household income in Casco is $117,258 with a poverty rate of 9.08%. The median age in Casco is 40.5 years: 42.5 years for males, and 37.7 years for females.