Greene County, Iowa

Greene County, Iowa
Greene County Courthouse
Location in the U.S. state of Iowa
Iowa's location in the U.S.
Founded	1851
Named for	Nathanael Greene
Seat	Jefferson
Largest city	Jefferson
Area
• Total	571 sq mi (1,479 km2)
• Land	570 sq mi (1,476 km2)
• Water	1.6 sq mi (4 km2), 0.3%
Population
• (2010)	9,336
• Density	16/sq mi (6/km²)
Congressional district	4th
Time zone	Central: UTC-6/-5
Website	www.co.greene.ia.us

Greene County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 9,336. The county seat is Jefferson. The county is named in honor of General Nathanael Greene.

Greene County was formed on January 15, 1851 and from 1854, self-governed. It was named after General Nathanael Greene, a hero in the Revolutionary War. The first settler was Truman Davis. He settled on the Raccoon River.

The first courthouse was built in 1856 from wood. Previously court was held in a log cabin southeast of Jefferson. The second courthouse, of red brick, was built in 1870. The present Greene County Courthouse used today was built in 1917.

According to the U.S. Census Bureau, the county has a total area of 571 square miles (1,480 km²), of which 570 square miles (1,500 km²) is land and 1.6 square miles (4.1 km²) (0.3%) is water.

The 2010 census recorded a population of 9,336 in the county, with a population density of 16.4248/sq mi (6.3416/km²). There were 4,546 housing units, of which 3,996 were occupied.

As of the census of 2000, there were 10,366 people, 4,205 households, and 2,859 families residing in the county. The population density was 18 people per square mile (7/km²). There were 4,623 housing units at an average density of 8 per square mile (3/km²). The racial makeup of the county was 98.16% White, 0.14% Black or African American, 0.15% Native American, 0.24% Asian, 0.01% Pacific Islander, 0.67% from other races, and 0.63% from two or more races. 1.66% of the population were Hispanic or Latino of any race.