Jo Daviess County, Illinois

Jo Daviess County
County
Hill terrain in the county, part of the Driftless Area
Location within the U.S. state of Illinois
Illinois's location within the U.S.
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 km^2)
• Land	601 sq mi (1,560 km^2)
• Water	18 sq mi (50 km^2)  2.9%
Population  (2020)[1]
• Total	22,035
• Density	36/sq mi (14/km^2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Website	www.jodaviesscountyil.gov

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.

References

1. "QuickFacts: Jo Daviess County, Illinois". United States Census Bureau. Retrieved August 14, 2023.