Spring Grove is located in Illinois. Spring Grove, Illinois has a population of 5,441. Spring Grove is more family-centric than the surrounding county with 34% households with children. The county percentage for households with children is 33%.
The median household income in Spring Grove, Illinois is $105,843. The median household income for the surrounding county is $87,114 compared to the national median of $66,222. The median age of people living in Spring Grove is 44 years.
The average high temperature in July is 82.2 degrees, with an average low temperature in January of 11.4 degrees. The annual precipitation is 35.47.