Henry County, Iowa

County in Iowa, United States

U.S. county in Iowa

Henry County

U.S. county

Henry County Courthouse

Location within the U.S. state of Iowa

Iowa's location within the U.S.

Country|  United States
State|  Iowa
Founded| December 7, 1836
Named for| Henry Dodge
Seat| Mount Pleasant
Largest city| Mount Pleasant
Area

• Total| 437 sq mi (1,130 km2)
• Land| 434 sq mi (1,120 km2)
• Water| 2.2 sq mi (6 km2)  0.5%
Population

(2020)

• Total| 20,482
• Density| 47/sq mi (18/km2)
Time zone| UTC−6 (Central)
• Summer (DST)| UTC−5 (CDT)
Congressional district| 2nd
Website| henrycounty.iowa.gov

Henry County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 20,482.[1] The county seat is Mount Pleasant.[2] The county was named for General Henry Dodge, governor of Wisconsin Territory.

## Contents

* 1 History
* 2 Geography
* 2.1 Major highways
* 2.2 Transit
* 2.3 Adjacent counties
* 3 Demographics
* 3.1 2020 census
* 3.2 2010 census
* 3.3 2000 census
* 4 Communities
* 4.1 Cities
* 4.2 Unincorporated communities
* 4.3 Townships
* 4.4 Population ranking
* 5 Politics
* 6 Education
* 7 See also
* 8 References
* 9 External links

## History

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Henry County was formed on December 7, 1836, under the jurisdiction of Wisconsin Territory, and became a part of Iowa Territory when the Iowa Territory was formed on July 4, 1838.[3] It was named for General Henry Dodge.[4]

The county's first courthouse was built in 1839–1840. A larger courthouse was built in 1871, and the present courthouse was raised in the twentieth century, being placed into service on August 4, 1914.[5]

## Geography

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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.[6]

### Major highways

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* U.S. Highway 34
* U.S. Highway 218/Iowa Highway 27
* Iowa Highway 16
* Iowa Highway 78

### Transit

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* Mount Pleasant station
* List of intercity bus stops in Iowa

### Adjacent counties

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* Washington County (north)
* Louisa County (northeast)
* Des Moines County (east)
* Lee County (south)
* Van Buren County (southwest)
* Jefferson County (west)

## Demographics

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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%
2020| 20,482| | 1.7%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2018[11]
Population of Henry County from US census data

### 2020 census

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The 2020 census recorded a population of 20,482 in the county, with a population density of 46.9453/sq mi (18.1257/km2). 95.23% of the population reported being of one race. There were 8,398 housing units, of which 7,746 were occupied.[1]

Henry County Racial Composition[12] Race  | Num.  | Perc.

|
|

White (NH)  | 17,643  | 86.14%
Black or African American (NH)  | 501  | 2.44%
Native American (NH)  | 60  | 0.3%
Asian (NH)  | 451  | 2.2%
Pacific Islander (NH)  | 8  | .04%
Other/Mixed (NH)  | 736  | 3.6%
Hispanic or Latino | 1,083  | 5.3%

### 2010 census

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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.[13]

### 2000 census

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2000 Census age pyramid for Henry County

As of the census[14] 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

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### Cities

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* Coppock
* Hillsboro
* Mount Pleasant
* New London
* Olds
* Rome
* Salem
* Wayland
* Westwood
* Winfield

### Unincorporated communities

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* Lowell (CDP)
* Mount Union (CDP)
* Oakland Mills
* Swedesburg (CDP)
* Tippecanoe
* Trenton (CDP)

### Townships

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* Baltimore
* Canaan
* Center
* Jackson
* Jefferson
* Marion
* New London
* Salem
* Scott
* Tippecanoe
* Trenton
* Wayne

### Population ranking

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The population ranking of the following table is based on the 2020 census of Henry County.[1]

† county seat

Rank  | City/Town/etc.  | Municipal type  | Population (2020 Census)

|
|
|

1  | † Mount Pleasant | City  | 9,274
2  | New London | City  | 1,910
3  | Winfield | City  | 1,033
4  | Wayland | City  | 964
5  | Salem | City  | 394
6  | Olds | City  | 192
7  | Hillsboro | City  | 163
8  | Mount Union | CDP  | 120
9  | Rome | City  | 114
10  | Westwood | City  | 101
11  | Coppock (partially in Jefferson and Washington Counties)  | City  | 36

## Politics

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Henry County is one of the most Republican counties in Iowa. It has backed Democratic Party candidates in only five elections for president from 1880 to the present.

United States presidential election results for Henry County, Iowa[15] Year  | Republican | Democratic | Third party

|
|
|

No. | % | No. | % | No. | %
2020 | 6,507  | 65.19% | 3,275  | 32.81%  | 200  | 2.00%
2016 | 5,779  | 61.45% | 2,904  | 30.88%  | 721  | 7.67%
2012 | 5,035  | 51.92% | 4,460  | 45.99%  | 202  | 2.08%
2008 | 4,822  | 51.41% | 4,349  | 46.36%  | 209  | 2.23%
2004 | 5,220  | 55.20% | 4,127  | 43.64%  | 110  | 1.16%
2000 | 4,476  | 51.62% | 3,907  | 45.06%  | 288  | 3.32%
1996 | 3,478  | 42.03%  | 3,798  | 45.90% | 999  | 12.07%
1992 | 3,435  | 39.81%  | 3,544  | 41.08% | 1,649  | 19.11%
1988 | 3,951  | 50.93% | 3,754  | 48.39%  | 53  | 0.68%
1984 | 4,516  | 56.77% | 3,377  | 42.45%  | 62  | 0.78%
1980 | 4,430  | 52.35% | 3,317  | 39.20%  | 715  | 8.45%
1976 | 3,848  | 48.79%  | 3,882  | 49.22% | 157  | 1.99%
1972 | 5,066  | 64.26% | 2,721  | 34.51%  | 97  | 1.23%
1968 | 4,613  | 60.23% | 2,532  | 33.06%  | 514  | 6.71%
1964 | 3,247  | 43.40%  | 4,223  | 56.44% | 12  | 0.16%
1960 | 5,531  | 66.03% | 2,839  | 33.89%  | 7  | 0.08%
1956 | 5,818  | 68.49% | 2,667  | 31.39%  | 10  | 0.12%
1952 | 6,424  | 71.93% | 2,438  | 27.30%  | 69  | 0.77%
1948 | 4,620  | 59.19% | 3,042  | 38.98%  | 143  | 1.83%
1944 | 5,208  | 65.12% | 2,741  | 34.27%  | 49  | 0.61%
1940 | 5,893  | 67.36% | 2,837  | 32.43%  | 19  | 0.22%
1936 | 4,480  | 54.17% | 3,542  | 42.82%  | 249  | 3.01%
1932 | 3,398  | 42.09%  | 4,518  | 55.96% | 158  | 1.96%
1928 | 5,160  | 70.90% | 2,053  | 28.21%  | 65  | 0.89%
1924 | 4,536  | 62.17% | 1,344  | 18.42%  | 1,416  | 19.41%
1920 | 5,254  | 71.91% | 1,939  | 26.54%  | 113  | 1.55%
1916 | 2,470  | 57.99% | 1,728  | 40.57%  | 61  | 1.43%
1912 | 1,663  | 39.12% | 1,580  | 37.17%  | 1,008  | 23.71%
1908 | 2,653  | 60.90% | 1,606  | 36.87%  | 97  | 2.23%
1904 | 2,647  | 64.47% | 1,259  | 30.66%  | 200  | 4.87%
1900 | 2,794  | 57.64% | 1,907  | 39.34%  | 146  | 3.01%
1896 | 2,774  | 55.83% | 2,092  | 42.10%  | 103  | 2.07%

## Education

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School districts include:[16]

* Danville Community School District
* Fairfield Community School District
* Fort Madison Community School District
* Mount Pleasant Community School District
* New London Community School District
* Van Buren County Community School District
* Waco Community School District
* Winfield-Mount Union Community School District

Former school districts:

* Harmony Community School District[17]

## See also

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* National Register of Historic Places listings in Henry County, Iowa

## References

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1. ^ a b c "2020 Census State Redistricting Data". census.gov. United states Census Bureau. Retrieved August 12, 2021.
2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
3. ^ "WI: Individual County Chronologies". publications.newberry.org. Archived from the original on April 14, 2017. Retrieved September 28, 2016.
4. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 155.
5. ^ Henry County, Iowa History
6. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 17, 2014.
8. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 17, 2014.
9. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 17, 2014.
10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 17, 2014.
11. ^ "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved July 17, 2014.
12. ^ "P2 HISPANIC OR LATINO, AND NOT HISPANIC OR LATINO BY RACE – 2020: DEC Redistricting Data (PL 94-171) – Henry County, Iowa".
13. ^ "Population & Housing Occupancy Status 2010" (PDF). United States Census Bureau - American FactFinder. Retrieved August 15, 2022.
14. ^ "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.
15. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 26, 2018.
16. ^ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Henry County, IA" (PDF). U.S. Census Bureau. Retrieved July 21, 2022. \- Text list
17. ^ "SCHOOL DISTRICT REFERENCE MAP (2010 CENSUS): Henry County, IA" (PDF). U.S. Census Bureau. Retrieved July 21, 2022. \- Text list

## External links

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Wikimedia Commons has media related to Henry County, Iowa.

* County website
* Henry County Tourism
* Winfield Historical Society & Museum

Places adjacent to Henry County, Iowa

|  | Washington County | Louisa County

|
|

|  |
Jefferson County |

Henry County, Iowa

| Des Moines County
|  |
Van Buren County | Lee County |

* v
* t
* e

Municipalities and communities of Henry County, Iowa, United States

County seat: Mount Pleasant

Cities|

* Coppock‡
* Hillsboro
* Mount Pleasant
* New London
* Olds
* Rome
* Salem
* Wayland
* Westwood
* Winfield

Map of Iowa highlighting Henry County

CDPs|

* Lowell
* Mount Union
* Swedesburg
* Trenton

Unincorporated
community|

* Oakland Mills

Footnotes|

‡This populated place also has portions in an adjacent county or counties

* United States portal

* v
* t
* e

State of Iowa

Des Moines (capital)

Topics|

* Archaeology
* Area codes
* Attorney General
* Auditor of State
* Capitol
* Code
* Congressional districts
* Crime
* Delegations
* Representatives
* Senators
* Elections
* Caucuses
* Environment
* Flag
* Governor
* History
* Historic Places
* Index
* Legislature
* House
* Senate
* Museums
* People
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* Political parties
* Democratic
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* Secretary of Agriculture
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* State Parks
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* Treasurer of State

Regions|

* Coteau des Prairies
* Des Moines metropolitan area
* Dissected Till Plains
* Driftless Area
* Great River Road
* Honey Lands
* Iowa Great Lakes
* Loess Hills
* Omaha–Council Bluffs metropolitan area
* Quad Cities
* Siouxland

Largest cities|

* Ames
* Ankeny
* Bettendorf
* Burlington
* Cedar Falls
* Cedar Rapids
* Clinton
* Council Bluffs
* Davenport
* Des Moines
* Dubuque
* Fort Dodge
* Iowa City
* Marion
* Marshalltown
* Mason City
* Muscatine
* Ottumwa
* Sioux City
* Urbandale
* Waterloo
* West Des Moines

Counties|

* Adair
* Adams
* Allamakee
* Appanoose
* Audubon
* Benton
* Black Hawk
* Boone
* Bremer
* Buchanan
* Buena Vista
* Butler
* Calhoun
* Carroll
* Cass
* Cedar
* Cerro Gordo
* Cherokee
* Chickasaw
* Clarke
* Clay
* Clayton
* Clinton
* Crawford
* Dallas
* Davis
* Decatur
* Delaware
* Des Moines
* Dickinson
* Dubuque
* Emmet
* Fayette
* Floyd
* Franklin
* Fremont
* Greene
* Grundy
* Guthrie
* Hamilton
* Hancock
* Hardin
* Harrison
* Henry
* Howard
* Humboldt
* Ida
* Iowa
* Jackson
* Jasper
* Jefferson
* Johnson
* Jones
* Keokuk
* Kossuth
* Lee
* Linn
* Louisa
* Lucas
* Lyon
* Madison
* Mahaska
* Marion
* Marshall
* Mills
* Mitchell
* Monona
* Monroe
* Montgomery
* Muscatine
* O'Brien
* Osceola
* Page
* Palo Alto
* Plymouth
* Pocahontas
* Polk
* Pottawattamie
* Poweshiek
* Ringgold
* Sac
* Scott
* Shelby
* Sioux
* Story
* Tama
* Taylor
* Union
* Van Buren
* Wapello
* Warren
* Washington
* Wayne
* Webster
* Winnebago
* Winneshiek
* Woodbury
* Worth
* Wright

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