Jo Daviess County, Illinois

Jo Daviess 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 / 42.36°N 90.21°W / 42.36; -90.21
Country United States
State Illinois
Founded1827
Named forJoseph Hamilton Daveiss
SeatGalena
Largest cityGalena
Area
 • Total619 sq mi (1,600 km2)
 • Land601 sq mi (1,560 km2)
 • Water18 sq mi (50 km2)  2.9%
Population
 • Total22,035
 • Density36/sq mi (14/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Websitewww.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. 1.0 1.1 "QuickFacts: Jo Daviess County, Illinois". United States Census Bureau. Retrieved August 14, 2023.