Henry County, Iowa

Henry County, Iowa
Henry County Courthouse
Location in the U.S. state of Iowa
Iowa's location in the U.S.
Founded	1836
Named for	Henry Dodge
Seat	Mount Pleasant
Largest city	Mount Pleasant
Area
• Total	437 sq mi (1,132 km2)
• Land	434 sq mi (1,124 km2)
• Water	2.2 sq mi (6 km2), 0.5%
Population
• (2010)	20,145
• Density	46/sq mi (18/km²)
Congressional district	2nd
Time zone	Central: UTC-6/-5
Website	www.henrycountyiowa.us

Henry County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 20,145. The county seat is Mount Pleasant. The county was named for General Henry Dodge, governor of Wisconsin Territory.

Henry County was formed on December 7, 1836 under the jurisdiction of Wisconsin Territory, and became a part of Iowa Territory when it was formed on July 4, 1838. It was named for General Henry Dodge.

In 1839, construction of the first courthouse was begun and completed in 1840. In 1871, construction of a second courthouse began and on August 4, 1914, the third courthouse was completed which is still presently used as such.

According to the U.S. Census Bureau, the county has a total area of 437 square miles (1,130 km²), of which 434 square miles (1,120 km²) is land and 2.2 square miles (5.7 km²) (0.5%) is water.

The 2010 census recorded a population of 20,145 in the county, with a population density of 47.4625/sq mi (18.3254/km²). There were 8,280 housing units, of which 7,666 were occupied.

As of the census of 2000, there were 20,336 people, 7,626 households, and 5,269 families residing in the county. The population density was 47 people per square mile (18/km²). There were 8,246 housing units at an average density of 19 per square mile (7/km²). The racial makeup of the county was 94.78% White, 1.49% Black or African American, 0.24% Native American, 1.88% Asian, 0.02% Pacific Islander, 0.52% from other races, and 1.07% from two or more races. 1.26% of the population were Hispanic or Latino of any race.