Jackson County, Iowa

Jackson County
Jackson County Courthouse
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 42°10′13″N 90°34′30″W / 42.170277777778°N 90.575°W / 42.170277777778; -90.575
Country United States
State Iowa
FoundedDec 21, 1837
Named afterAndrew Jackson
SeatMaquoketa
Largest cityMaquoketa
Area
  Total
650 sq mi (1,700 km2)
  Land584 sq mi (1,510 km2)
  Water69 sq mi (180 km2)  10.63%
Population
 (2020)
  Total
19,485
  Estimate 
(2023)
19,342
  Density30/sq mi (12/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district1st
Websitejacksoncounty.iowa.gov

Jackson County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 19,485. The county seat is Maquoketa.