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 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.[1] The county seat is Mount Pleasant.[2] The county was named for General Henry Dodge, governor of Wisconsin Territory.

History[edit]

Henry County was formed on December 7, 1836. It was named for General Henry Dodge.[3]

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.[4]

Geography[edit]

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.[5]

Major highways[edit]

Adjacent counties[edit]

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. 2013 20,222 0.4%
U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2013[1]

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.[10]

2000 census[edit]

2000 Census Age Pyramid for Henry County

As of the census[11] 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.

Communities[edit]

Cities[edit]

Unincorporated community[edit]

See also[edit]

Notes[edit]

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved July 17, 2014. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 155. 
  4. ^ Henry County, Iowa History
  5. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 17, 2014. 
  7. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 17, 2014. 
  8. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 17, 2014. 
  9. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. Retrieved July 17, 2014. 
  10. ^ "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. Retrieved May 17, 2011. 
  11. ^ "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