Green

Formed January 1, 1837 (18^th county)

Green County (37,092), Monroe (10,668)

The outstanding red brick and stone Richardsonian Romanesque facility was constructed in 1891.  It is located on a square at 16^th Avenue, 10^th Street, 17^th Avenue, and 11^th Street.  Wisconsin State Highway 11 Business is one block to the north.  Henry Hobson Richardson and G. Stanley Mansfield provided the designs.  A Justice Center was built in 2009.  The courthouse features a tower and veteran memorials on the grounds.  There was an 1844 version previously.  The county was established on January 1, 1837 as the 18^th county and Monroe has always been the county seat.  Green County is named for American Revolutionary War General Nathaniel Greene.  The county seat is named for United States President James Monroe.  He is also the namesake for Monroe County. 

Green County government consists of a sheriff and 31 Supervisors.  Two Circuit Court Judges and Two Municipal Court Judges serve Green County.  The county is on the southern border with Illinois.  Madison, Wisconsin is northeast and Rockford, Illinois is southeast of the county.  The county center is 4.7 miles Northeast of Monroe nearer Stearns.  The county is surrounded clockwise by Dane and Rock counties and Illinois and Lafayette and Iowa counties. 

The area of the county is 584.0 square miles.  It is 50 out of 72 in the state.  It ranks 40 out of 72 in population in the state.  It has a density of 63.5 persons per square mile making it 30 out of 72 in the state.  Green County has 53.2% of its population in its incorporated areas.  There are no Interstates or United States Highways in the county.  The county is a rectangle.  Monroe is located in the southern third of the county.  Monroe is the county seat and the largest city.  It is 28.8% of the county population.  This county is in the Monroe Micropolitan Statistical Area.