Boone County, Illinois
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Boone County is a county located in the U.S. state of Illinois. As of the 2020 census, the population was 53,448. Its county seat is Belvidere. Boone County is included in the Rockford, Illinois metro
Floyd Hopkins Block in the Belvidere North State Street Historic District
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DeKalb County, Illinois
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DeKalb County is a county located in the U.S. state of Illinois. As of the 2020 United States census, the population was 100,420. Its county seat is Sycamore. DeKalb County is part of the Chicago–Nape
DeKalb County Court House, Sycamore, Illinois
