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Louisa County, Iowa

Coordinates: 41°13′05″N 91°15′36″W / 41.21806°N 91.26000°W / 41.21806; -91.26000
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Louisa County
County
Louisa County Courthouse in Wapello
Louisa County Courthouse in Wapello
Map of Iowa highlighting Louisa County
Location within the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location within the U.S.
Coordinates: 41°13′05″N 91°15′36″W / 41.218055555556°N 91.26°W / 41.218055555556; -91.26
Country United States
State Iowa
Founded1836
SeatWapello
Largest cityWapello
Area
 • Total418 sq mi (1,080 km2)
 • Land402 sq mi (1,040 km2)
 • Water16 sq mi (40 km2)  3.8%
Population
 (2020)
 • Total10,837
 • Density26/sq mi (10/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district2nd
Websitelouisacountyia.gov

Louisa County (/luˈaɪzə/ loo-EYE-zə) is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 10,837.[1] The county seat is Wapello.[2]

Louisa County is part of the Muscatine Micropolitan Statistical Area.

History

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Louisa County was formed on December 7, 1836, as a part of Wisconsin Territory.[3] Two theories have been offered for the origins of its name: one is that it was named after Louisa Massey,[4] who was very well known in the area at the time because she avenged the murder of her brother when she shot the party responsible; the other is that it was named after Louisa County, Virginia.[5] Louisa County became a part of Iowa Territory upon its formation on July 4, 1838.[3]

The first courthouse was a simple wood-framed building. In 1840, a second courthouse, measuring 40' x 20' (about 12 x 6 m), was constructed of stone. In 1854, a third structure was built. The courthouse used today was erected in 1928.[6]

Geography

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According to the U.S. Census Bureau, the county has a total area of 418 square miles (1,080 km2), of which 402 square miles (1,040 km2) is land and 16 square miles (41 km2) (3.8%) is water.[7] Its eastern border is adjacent to the Mississippi River.

Major highways

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Adjacent counties

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National protected area

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Demographics

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Historical population
CensusPop.Note%±
18504,939—
186010,370110.0%
187012,87724.2%
188013,1422.1%
189011,873−9.7%
190013,51613.8%
191012,855−4.9%
192012,179−5.3%
193011,575−5.0%
194011,384−1.7%
195011,101−2.5%
196010,290−7.3%
197010,6823.8%
198012,05512.9%
199011,592−3.8%
200012,1835.1%
201011,387−6.5%
202010,837−4.8%
2023 (est.)10,513[8]−3.0%
U.S. Decennial Census[9]
1790-1960[10] 1900-1990[11]
1990-2000[12] 2010-2018[13]
Population of Louisa County from US census data

2020 census

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2022 US Census population pyramid for Louisa County from ACS 5-year estimates

The 2020 census recorded a population of 10,837 in the county, with a population density of 25.9886/sq mi (10.0343/km2). There were 4,712 housing units, of which 4,180 were occupied.[1]

Louisa County Racial Composition[14]
Race Num. Perc.
White (NH) 8,485 78.3%
Black or African American (NH) 73 0.7%
Native American (NH) 11 0.1%
Asian (NH) 265 2.5%
Pacific Islander (NH) 0 0%
Other/Mixed (NH) 275 2.54%
Hispanic or Latino 1,728 16%

2010 census

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The 2010 census recorded a population of 11,387 in the county, with a population density of 28.3315/sq mi (10.9389/km2). There were 5,002 housing units, of which 4,346 were occupied.[15]

2000 census

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As of the census[16] of 2000, there were 12,183 people, 4,519 households, and 3,316 families residing in the county. The population density was 30 inhabitants per square mile (12/km2). There were 5,133 housing units at an average density of 13 per square mile (5.0/km2). The racial makeup of the county was 93.91% White, 0.25% Black or African American, 0.18% Native American, 0.20% Asian, 0.02% Pacific Islander, 4.56% from other races, and 0.88% from two or more races. 12.62% of the population were Hispanic or Latino of any race.

There were 4,519 households, out of which 35.00% had children under the age of 18 living with them, 61.30% were married couples living together, 8.20% had a female householder with no husband present, and 26.60% were non-families. 22.50% of all households were made up of individuals, and 10.40% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was 3.11.

In the county, the population was spread out, with 27.70% under the age of 18, 7.90% from 18 to 24, 28.70% from 25 to 44, 21.70% from 45 to 64, and 14.10% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 98.90 males. For every 100 females age 18 and over, there were 96.00 males.

The median income for a household in the county was $39,086, and the median income for a family was $43,972. Males had a median income of $31,293 versus $22,085 for females. The per capita income for the county was $17,644. About 7.00% of families and 9.30% of the population were below the poverty line, including 12.40% of those under age 18 and 7.90% of those age 65 or over.

Communities

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Cities

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Unincorporated community

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Population ranking

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The population ranking of the following table is based on the 2010 census of Louisa County.[1]

† county seat

Rank City/Town/etc. Municipal type Population (2020 Census)
1 † Wapello City 2,084
2 Columbus Junction City 1,830
3 Morning Sun City 752
4 Grandview City 437
5 Columbus City City 392
6 Letts City 363
7 Fredonia City 222
8 Oakville City 200
9 Cotter City 39

Government

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Townships

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Politics

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Louisa County, like nearby Cedar County, is a reliable bellwether for the state of Iowa, having voted for the statewide winner in every presidential election since 1952.

United States presidential election results for Louisa County, Iowa[17]
Year Republican Democratic Third party(ies)
No.  % No.  % No.  %
2020 3,500 65.64% 1,726 32.37% 106 1.99%
2016 3,069 61.28% 1,648 32.91% 291 5.81%
2012 2,420 48.71% 2,452 49.36% 96 1.93%
2008 2,314 47.02% 2,523 51.27% 84 1.71%
2004 2,572 52.32% 2,297 46.72% 47 0.96%
2000 2,207 47.60% 2,294 49.47% 136 2.93%
1996 1,565 36.61% 2,081 48.68% 629 14.71%
1992 1,691 34.91% 2,091 43.17% 1,062 21.92%
1988 2,060 47.03% 2,268 51.78% 52 1.19%
1984 2,623 57.36% 1,927 42.14% 23 0.50%
1980 2,530 55.19% 1,700 37.09% 354 7.72%
1976 2,284 51.43% 2,089 47.04% 68 1.53%
1972 2,806 61.31% 1,707 37.30% 64 1.40%
1968 2,529 56.40% 1,632 36.40% 323 7.20%
1964 1,845 41.17% 2,624 58.56% 12 0.27%
1960 3,036 60.67% 1,966 39.29% 2 0.04%
1956 3,184 63.07% 1,858 36.81% 6 0.12%
1952 3,675 68.45% 1,673 31.16% 21 0.39%
1948 2,420 54.64% 1,945 43.92% 64 1.45%
1944 2,745 58.67% 1,894 40.48% 40 0.85%
1940 3,330 59.18% 2,247 39.93% 50 0.89%
1936 2,655 47.28% 2,859 50.92% 101 1.80%
1932 2,045 40.99% 2,856 57.25% 88 1.76%
1928 3,275 68.80% 1,457 30.61% 28 0.59%
1924 2,952 64.89% 643 14.13% 954 20.97%
1920 3,560 77.49% 932 20.29% 102 2.22%
1916 1,876 62.26% 1,081 35.88% 56 1.86%
1912 1,070 36.36% 881 29.94% 992 33.71%
1908 2,025 65.92% 978 31.84% 69 2.25%
1904 2,147 72.61% 663 22.42% 147 4.97%
1900 2,185 63.30% 1,172 33.95% 95 2.75%
1896 2,035 59.12% 1,334 38.76% 73 2.12%

See also

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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. Retrieved June 7, 2011.
  3. ^ a b "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. U.S. Government Printing Office. p. 191.
  5. ^ Savage, Tom A Dictionary of Iowa Place Names, University of Iowa Press, 2007, p. 11 ISBN 1587297590
  6. ^ "Louisa County, Iowa". Archived from the original on September 5, 2019. Retrieved January 20, 2008.
  7. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
  8. ^ "Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2023". United States Census Bureau. Retrieved April 2, 2024.
  9. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 18, 2014.
  10. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 18, 2014.
  11. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 18, 2014.
  12. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Archived (PDF) from the original on March 27, 2010. Retrieved July 18, 2014.
  13. ^ "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved July 18, 2014.
  14. ^ "P2 HISPANIC OR LATINO, AND NOT HISPANIC OR LATINO BY RACE – 2020: DEC Redistricting Data (PL 94-171) – Louisa County, Iowa".
  15. ^ "Population & Housing Occupancy Status 2010" (PDF). United States Census Bureau American FactFinder. Archived (PDF) from the original on October 16, 2020. Retrieved August 15, 2022.
  16. ^ "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.
  17. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 26, 2018.
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