Belvidere is a city in and the county seat of Boone County, Illinois, United States. It is settled on the Kishwaukee River in far northern Illinois. The population was 25,339 at the 2020 census. Belvidere is part of the Rockford metropolitan area.
Midwest
Belvidere
Boone County, IL
Population
25,389
Walk Score
77 · Very Walkable
Median rent
$914
Median home value
$139,100
Founded
1881
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On the National Register
Historic districts
- Belvidere North State Street Historic District · listed 2012
- Belvidere South State Street Historic District · listed 2012
Notable landmarks
- Belvidere High School · listed 1997
- Lampert-Wildflower House · listed 2005
- Pettit Memorial Chapel · listed 1978
- United States Post Office-Belvidere · listed 2000
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