Spring Grove Real EstateSpring Grove is located in Illinois. Spring Grove, Illinois has a population of 5,847. Spring Grove is more family-centric than the surrounding county with 43.08% of the households containing married families with children. The county average for households married with children is 37.26%. The median household income in Spring Grove, Illinois is $117,790. The median household income for the surrounding county is $82,230 compared to the national median of $57,652. The median age of people living in Spring Grove is 44.6 years. Spring Grove WeatherThe average high temperature in July is 82.1 degrees, with an average low temperature in January of 13.9 degrees. The average rainfall is approximately 36 inches per year, with 42.7 inches of snow per year. Spring Grove MapReal estate near Spring GroveNearby CitiesNearby Cities Homes for Sale |