Schuyler County is a county in the U.S. state of Illinois. According to the 2010 census, it had a population of 7,544. Its county seat is Rushville.
According to the US Census Bureau, the county has a total area of 441 square miles (1,140 km), of which 437 square miles (1,130 km) is land and 4.1 square miles (11 km) (0.9%) is water.
As of the 2010 United States Census, there were 7,544 people, 3,040 households, and 2,014 families residing in the county. The population density was 17.3 inhabitants per square mile (6.7/km). There were 3,459 housing units at an average density of 7.9 per square mile (3.1/km). The racial makeup of the county was 95.5% white, 3.2% black or African American, 0.2% American Indian, 0.1% Asian, 0.5% from other races, and 0.5% from two or more races. Those of Hispanic or Latino origin made up 1.2% of the population. In terms of ancestry, 26.8% were American, 20.2% were German, 13.1% were English, and 12.0% were Irish.
Of the 3,040 households, 28.2% had children under the age of 18 living with them, 53.5% were married couples living together, 7.6% had a female householder with no husband present, 33.8% were non-families, and 28.6% of all households were made up of individuals. The average household size was 2.33 and the average family size was 2.83. The median age was 43.6 years.
The median income for a household in the county was $43,686 and the median income for a family was $51,654. Males had a median income of $40,998 versus $28,810 for females. The per capita income for the county was $20,649. About 8.6% of families and 14.0% of the population were below the poverty line, including 16.8% of those under age 18 and 14.1% of those age 65 or over.