Henry County, Iowa

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.

Henry County
U.S. county
Henry County Courthouse
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 40°59′12″N 91°32′31″W
Country United States
State Iowa
FoundedDecember 7, 1836
Named forHenry Dodge
SeatMount Pleasant
Largest cityMount Pleasant
Area
 • Total437 sq mi (1,130 km2)
 • Land434 sq mi (1,120 km2)
 • Water2.2 sq mi (6 km2)  0.5%
Population
 (2010)
 • Total20,145
 • Estimate 
(2018)
20,067
 • Density46/sq mi (18/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district2nd
Websitewww.henrycountyiowa.us

History

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

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

Adjacent counties

Demographics
Historical population
CensusPop.%±
18508,707—
186018,701114.8%
187021,46314.8%
188020,986−2.2%
189018,895−10.0%
190020,0226.0%
191018,640−6.9%
192018,298−1.8%
193017,660−3.5%
194017,9941.9%
195018,7084.0%
196018,187−2.8%
197018,114−0.4%
198018,8904.3%
199019,2261.8%
200020,3365.8%
201020,145−0.9%
2018 (est.)20,067[7]−0.4%
U.S. Decennial Census[8]
1790-1960[9] 1900-1990[10]
1990-2000[11] 2010-2018[1]

2010 census

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.[12]

2000 census
2000 Census Age Pyramid for Henry County

As of the census[13] 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

Cities

Unincorporated communities

Townships

Population ranking

The population ranking of the following table is based on the 2010 census of Henry County.[14]

† county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 † Mount Pleasant City 8,668
2 New London City 1,897
3 Winfield City 1,134
4 Wayland City 966
5 Salem City 383
6 Olds City 229
7 Hillsboro City 180
8 Rome City 117
9 Westwood City 112
10 Mount Union City 107
11 Coppock (partially in Jefferson and Washington Counties) City 47

Politics

Henry County is one of the most Republican counties in Iowa. It has backed Democratic Party candidates in only five elections for president from 1896 to the present.

Presidential election results
Presidential election results[15]
Year Republican Democratic Third Parties
2016 61.5% 5,779 30.9% 2,904 7.7% 721
2012 51.9% 5,035 46.0% 4,460 2.1% 202
2008 51.4% 4,822 46.4% 4,349 2.2% 209
2004 55.2% 5,220 43.6% 4,127 1.2% 110
2000 51.6% 4,476 45.1% 3,907 3.3% 288
1996 42.0% 3,478 45.9% 3,798 12.1% 999
1992 39.8% 3,435 41.1% 3,544 19.1% 1,649
1988 50.9% 3,951 48.4% 3,754 0.7% 53
1984 56.8% 4,516 42.5% 3,377 0.8% 62
1980 52.4% 4,430 39.2% 3,317 8.5% 715
1976 48.8% 3,848 49.2% 3,882 2.0% 157
1972 64.3% 5,066 34.5% 2,721 1.2% 97
1968 60.2% 4,613 33.1% 2,532 6.7% 514
1964 43.4% 3,247 56.4% 4,223 0.2% 12
1960 66.0% 5,531 33.9% 2,839 0.1% 7
1956 68.5% 5,818 31.4% 2,667 0.1% 10
1952 71.9% 6,424 27.3% 2,438 0.8% 69
1948 59.2% 4,620 39.0% 3,042 1.8% 143
1944 65.1% 5,208 34.3% 2,741 0.6% 49
1940 67.4% 5,893 32.4% 2,837 0.2% 19
1936 54.2% 4,480 42.8% 3,542 3.0% 249
1932 42.1% 3,398 56.0% 4,518 2.0% 158
1928 70.9% 5,160 28.2% 2,053 0.9% 65
1924 62.2% 4,536 18.4% 1,344 19.4% 1,416
1920 71.9% 5,254 26.5% 1,939 1.6% 113
1916 58.0% 2,470 40.6% 1,728 1.4% 61
1912 39.1% 1,663 37.2% 1,580 23.7% 1,008
1908 60.9% 2,653 36.9% 1,606 2.2% 97
1904 64.5% 2,647 30.7% 1,259 4.9% 200
1900 57.6% 2,794 39.3% 1,907 3.0% 146
1896 55.8% 2,774 42.1% 2,092 2.1% 103

See also

References
  1. "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved July 17, 2014.
  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. 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. "Population and Housing Unit Estimates". Retrieved June 22, 2019.
  8. "U.S. Decennial Census". United States Census Bureau. Retrieved July 17, 2014.
  9. "Historical Census Browser". University of Virginia Library. Retrieved July 17, 2014.
  10. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 17, 2014.
  11. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 17, 2014.
  12. "Population & Housing Occupancy Status 2010". United States Census Bureau - American FactFinder. Retrieved May 17, 2011.
  13. "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.
  14. "2010 U.S. Census website". United States Census Bureau. Retrieved May 25, 2014.
  15. Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 26, 2018.

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