Sparta Real EstateSparta is located in Illinois. Sparta, Illinois has a population of 4,398. Sparta is less family-centric than the surrounding county with 18.19% of the households containing married families with children. The county average for households married with children is 25.97%. The median household income in Sparta, Illinois is $43,802. The median household income for the surrounding county is $49,717 compared to the national median of $57,652. The median age of people living in Sparta is 43.3 years. Sparta WeatherThe average high temperature in July is 88.1 degrees, with an average low temperature in January of 21.5 degrees. The average rainfall is approximately 43.4 inches per year, with 12.5 inches of snow per year. Sparta MapReal estate near SpartaNearby CitiesNearby Cities Homes for Sale |