Henry County, Iowa

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Henry County, Iowa
Henry county courthouse iowa.jpg
Henry County Courthouse
Map of Iowa highlighting Henry County
Location in the state of Iowa
Map of the United States highlighting Iowa
Iowa's location in the U.S.
Founded 1836
Named for Henry Dodge
Seat Mount Pleasant
Largest city Mount Pleasant
Area
 • Total 436.68 sq mi (1,131 km2)
 • Land 434.44 sq mi (1,125 km2)
 • Water 2.24 sq mi (6 km2), 0.51%
Population
 • (2010) 20,145
 • Density 47/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. The population was 20,145 in the 2010 census, a decline from 20,336 in the 2000 census.[1] The county seat is Mount Pleasant.[2] It was named for General Henry Dodge, governor of Wisconsin Territory.

Geography[edit]

According to the 2000 census, the county has a total area of 436.68 square miles (1,131.0 km2), of which 434.44 square miles (1,125.2 km2) (or 99.49%) is land and 2.24 square miles (5.8 km2) (or 0.51%) is water.[3]

Major highways[edit]

Adjacent counties[edit]

History[edit]

Henry County was formed on December 7, 1836. It was named for General Henry Dodge.[4]

In 1839, construction of the first courthouse was begun and completed in 1840. In 1871, construstion of a second courthouse began and on August 4, 1914, the third courthouse was completed which is still presently used as such.[5]

Demographics[edit]

Historical population
Census Pop.
1850 8,707
1860 18,701 114.8%
1870 21,463 14.8%
1880 20,986 −2.2%
1890 18,895 −10.0%
1900 20,022 6.0%
1910 18,640 −6.9%
1920 18,298 −1.8%
1930 17,660 −3.5%
1940 17,994 1.9%
1950 18,708 4.0%
1960 18,187 −2.8%
1970 18,114 −0.4%
1980 18,890 4.3%
1990 19,226 1.8%
2000 20,336 5.8%
2010 20,145 −0.9%
Est. 2012 20,236 0.5%
U.S. Decennial Census[6]
2012 Estimate[7]

2010 census[edit]

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.[1]

2000 census[edit]

2000 Census Age Pyramid for Henry County

As of the census[8] 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.

There were 7,626 households out of which 32.80% had children under the age of 18 living with them, 57.70% were married couples living together, 8.20% had a female householder with no husband present, and 30.90% were non-families. 26.80% of all households were made up of individuals and 12.20% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 2.98.

In the county the population was spread out with 24.70% under the age of 18, 9.00% from 18 to 24, 29.20% from 25 to 44, 22.50% from 45 to 64, and 14.70% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 102.50 males. For every 100 females age 18 and over, there were 102.80 males.

The median income for a household in the county was $39,087, and the median income for a family was $46,985. Males had a median income of $31,801 versus $23,075 for females. The per capita income for the county was $18,192. About 6.70% of families and 8.80% of the population were below the poverty line, including 10.30% of those under age 18 and 9.30% of those age 65 or over.

Localities[edit]

Cities[edit]

Other community[edit]

Notes[edit]

  1. ^ a b "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. Retrieved May 17, 2011. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "Census 2000 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-02-13. 
  4. ^ Henry County
  5. ^ Henry County Courthouse History
  6. ^ "U.S. Decennial Census". Census.gov. Retrieved August 3, 2013. 
  7. ^ "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2012". Census.gov. Retrieved August 3, 2013. 
  8. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 

External links[edit]

Coordinates: 40°59′12″N 91°32′31″W / 40.98667°N 91.54194°W / 40.98667; -91.54194