The Rock County Fairgrounds, also known as the Rock County 4-H Fairgrounds, is an 18.5 acre fairground located in Janesville, Wisconsin.[1] It is the home of the Rock County 4-H Fair. It served as the home of the Janesville Cubs, a minor league baseball team, from 1941 to 1953.[2]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Janesville_June_2024_034_%28Rock_County_Fairgrounds%29.jpg/220px-Janesville_June_2024_034_%28Rock_County_Fairgrounds%29.jpg)