Greene County, Iowa

Greene County
Greene County Courthouse
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 42°02′07″N 94°23′44″W / 42.035277777778°N 94.395555555556°W / 42.035277777778; -94.395555555556
Country United States
State Iowa
Founded1851
Named afterNathanael Greene
SeatJefferson
Largest cityJefferson
Area
  Total
571 sq mi (1,480 km2)
  Land570 sq mi (1,500 km2)
  Water1.6 sq mi (4 km2)  0.3%
Population
 (2020)
  Total
8,771
  Estimate 
(2023)
8,584
  Density15/sq mi (5.9/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitewww.co.greene.ia.us

Greene County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 8,771. The county seat is Jefferson. The county is named in honor of General Nathanael Greene.