Rushville is a city in Schuyler County, Illinois, United States. The population was 3,192 at the 2010 census and 2,902 in 2018. It is the county seat of Schuyler County. It was first settled by Euro-Americans in 1823. According to the 2010 census, Rushville has a total area of 1.65 square miles (4.27 km2), all land.As of the census of 2000, there were 3,212 people, 1,397 households, and 888 families residing in the city. The population density was 2,043.7 people per square mile (789.9/km2). There were 1,530 housing units at an average density of 973.5 per square mile (376.3/km2). The racial makeup of the city was 99.13% White, 0.06% African American, 0.09% Native American, 0.06% Asian, 0.03% Pacific Islander, 0.22% from other races, and 0.40% from two or more races. Hispanic or Latino of any race were 0.47% of the population.
There were 1,397 households, out of which 25.8% had children under the age of 18 living with them, 50.8% were married couples living together, 10.2% had a female householder with no husband present, and 36.4% were non-families. 33.2% of all households were made up of individuals, and 18.0% had someone living alone who was 65 years of age or older. The average household size was 2.22 and the average family size was 2.78. In the city, the population was spread out, with 21.7% under the age of 18, 7.9% from 18 to 24, 24.4% from 25 to 44, 22.2% from 45 to 64, and 23.8% who were 65 years of age or older.
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