Spring Valley is located in Illinois. Spring Valley, Illinois has a population of 5,551. Spring Valley is less family-centric than the surrounding county with 21.81% of the households containing married families with children. The county average for households married with children is 27.98%.
The median household income in Spring Valley, Illinois is $54,191. The median household income for the surrounding county is $59,407 compared to the national median of $69,021. The median age of people living in Spring Valley is 43.1 years.
The average high temperature in July is 85.4 degrees, with an average low temperature in January of 14.4 degrees. The average rainfall is approximately 37.1 inches per year, with 20.6 inches of snow per year.