Rushville is a city in Schuyler County, Illinois, United States. The population was 3,005 at the 2020 census. It is the county seat of Schuyler County. It was first settled by Euro-Americans in 1823.

Schuyler County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 6,902. Its county seat is Rushville.