Jones County, Iowa

Jones County, Iowa
Location within the U.S. state of Iowa
Coordinates: 42°07′12″N 91°08′05″W / 42.12°N 91.134722222222°W / 42.12; -91.134722222222
Country United States
State Iowa
FoundedDecember 21, 1837
Named afterGeorge Wallace Jones
SeatAnamosa
Largest cityAnamosa
Area
 • Total
577 sq mi (1,490 km2)
 • Land576 sq mi (1,490 km2)
 • Water1.4 sq mi (3.6 km2)  0.2%
Population
 (2020)
 • Total
20,646
 • Estimate 
(2024)
21,116
 • Density35.8/sq mi (13.8/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district1st
Websitewww.jonescountyiowa.gov
  • Iowa county number 53

Jones County is a county in the U.S. state of Iowa. As of the 2020 census the population was 20,646. The county seat and the largest city is Anamosa. The county was founded in 1837 and named after George Wallace Jones, a United States senator and member of Congress.

Jones County is included in the Cedar Rapids Metropolitan Statistical Area.