Jo Daviess County, Illinois
County in Illinois, United States / From Wikipedia, the free encyclopedia
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This article is about the county in Illinois. For other counties with similar names, see Daviess County (disambiguation).
Jo Daviess County (/ˈdeɪvɪs/) is the northwesternmost county in the U.S. state of Illinois. According to the 2020 census, it had a population of 22,035.[1] Its county seat is Galena.[2]
Quick Facts Country, State ...
Jo Daviess County | |
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Coordinates: 42°22′N 90°13′W | |
Country | United States |
State | Illinois |
Founded | 1827 |
Named for | Joseph Hamilton Daveiss |
Seat | Galena |
Largest city | Galena |
Area | |
• Total | 619 sq mi (1,600 km2) |
• Land | 601 sq mi (1,560 km2) |
• Water | 18 sq mi (50 km2) 2.9% |
Population (2020) | |
• Total | 22,035 |
• Density | 36/sq mi (14/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | 16th |
Website | www |
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Jo Daviess County is part of the Tri-State Area and is located near Dubuque, Iowa and Platteville, Wisconsin. As part of the Driftless Area, Jo Daviess County contains rugged terrain compared to the rest of the state. Within Jo Daviess County lies Charles Mound, the highest natural point in Illinois, as well as eight of the ten highest points in Illinois.[3][4]