Jo Daviess County, Illinois
Jo Daviess County is a county in the U.S. state of Illinois. In the 2020 census, 22,035 people lived there.[1] The county seat is Galena.
| Jo Daviess County, Illinois | |
| Map | |
| Map of Illinois highlighting Jo Daviess County Location in the state of Illinois | |
 Illinois's location in the U.S. | |
| Statistics | |
| Founded | 1827 |
|---|---|
| Seat | Galena |
| Largest City | Galena |
| Area - Total - Land - Water |
619 sq mi (1,603 km²) 601 sq mi (1,557 km²) 18 sq mi (47 km²), 2.9 |
| Population - Density |
|
| Time zone | Central: UTC-6/-5 |
| Website: www.jodaviesscountyil.gov | |
| Named for: Joseph Hamilton Daveiss | |
Jo Daviess County, Illinois Media
Charles Mound, the highest natural point in Illinois at 1,235 ft (376 m), is located near Scales Mound in Jo Daviess County.
Downtown Galena (the county seat) viewed from the U.S. Grant Home
Jo Daviess County at the time of its creation to 1831 (Wisconsin border adjustment not shown)
Jo Daviess between 1831 and 1836
Jo Daviess between 1836 and 1837. Whiteside and Ogle counties remained temporarily attached to Jo Daviess until county governments could be organized.
Jo Daviess between 1837 and 1839
Jo Daviess reduced to its current size in 1839 by the creation of Carroll County and the organization of a government in Whiteside County
References
- ↑ "QuickFacts: Jo Daviess County, Illinois". United States Census Bureau. Retrieved August 14, 2023.
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