Belvidere is located in Illinois. Belvidere, Illinois has population of 25,044. Belvidere is more family-centric than the surrounding county with 38% of the households with children.
The median household income in Belvidere, Illinois is $51,168. The median household income for the surrounding county is $65,107 compared to the national median of $61,963. The median age of people living in Belvidere is 35.8 years.
The average high temperature in July is 84.5 degrees, with an average low temperature in January of 10.6 degrees. The annual precipitation is 36.48.