Green County, Wisconsin

Green County, Wisconsin
Location within the U.S. state of Wisconsin
Coordinates: 42°41′N 89°36′W / 42.68°N 89.6°W / 42.68; -89.6
Country United States
State Wisconsin
Founded1837
Named afterNathanael Greene
SeatMonroe
Largest cityMonroe
Area
 • Total
584 sq mi (1,510 km2)
 • Land584 sq mi (1,510 km2)
 • Water0.5 sq mi (1.3 km2)  0.09%
Population
 (2020)
 • Total
37,093
 • Estimate 
(2023)
37,183
 • Density63.5/sq mi (24.5/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district2nd
Websitewww.greencountywi.org

Green County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 37,093. Its county seat is Monroe. Green County is included in the Madison, WI Metropolitan Statistical Area.