Jackson County, Iowa

Jackson County, Iowa
The Jackson County Courthouse in Maquoketa
Location within the U.S. state of Iowa
Coordinates: 42°10′13″N 90°34′30″W / 42.170277777778°N 90.575°W / 42.170277777778; -90.575
Country United States
State Iowa
FoundedDecember 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 
(2024)
19,390
 • Density33.4/sq mi (12.9/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district1st
Websitejacksoncounty.iowa.gov
  • Iowa county number 49

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.