Des Moines County, Iowa

Des Moines County is located in the U.S. state of Iowa. As of the 2020 census, the population was 38,910.[1] The county seat and largest city is Burlington.[2] It is one of Iowa's two original counties along with Dubuque County; both were organized by the Michigan Territorial legislature in 1834. Des Moines County is part of the Burlington, IA–IL Micropolitan Statistical Area.

Des Moines County
Des Moines County Courthouse
Des Moines County Courthouse
Map of Iowa highlighting Des Moines County
Location within the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location within the U.S.
Coordinates: 40°55′40″N 91°11′02″W / 40.9278°N 91.1839°W / 40.9278; -91.1839
Country United States
State Iowa
Founded1834
Named forDes Moines River
SeatBurlington
Largest cityBurlington
Area
 • Total
430 sq mi (1,100 km2)
 • Land416 sq mi (1,080 km2)
 • Water14 sq mi (40 km2)  3.2%
Population
 (2020)
 • Total
38,910
 • Estimate 
(2023)
38,253 Decrease
 • Density90/sq mi (35/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Area code319
Congressional district1st
Websitewww.desmoinescounty.iowa.gov

Des Moines County should not be confused with the city of Des Moines, which is the capital of Iowa. Des Moines County sits on Iowa's eastern border alongside the Mississippi River. The city of Des Moines is in Polk County in central Iowa. Both places derive their name from the Des Moines River, which flows through the city of Des Moines and originally flowed through the county. When the county was divided early in Iowa's history, the river ended up further west, forming the border between Lee County, Iowa and the state of Missouri.

History

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At an extra session of the Sixth Legislative Assembly of Michigan Territory held in September 1834, the Iowa District was divided into two counties by running a line due west from the lower end of Rock Island in the Mississippi River. The territory north of this line (which started just south of the present-day Davenport) was named Dubuque County, and all south of it was Demoine County. It was named after the Des Moines River.[3] From July 3, 1836, until July 3, 1838, Des Moines County was part of Wisconsin Territory. The county underwent various border changes during this time. July 4, 1838, the named county became part of Iowa Territory (later the state of Iowa).[4]

The current Des Moines County Court House was completed in 1940.[5] The Iowa Army Ammunition Plant was also established in 1940.

Geography

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The U.S. Highway 34 bridge over the Mississippi River in Burlington

According to the U.S. Census Bureau, the county has a total area of 430 square miles (1,100 km2), of which 416 square miles (1,080 km2) is land and 14 square miles (36 km2) (3.2%) is water.[6] The Mississippi River forms the east border; Skunk River, the south border; and the county is drained by Flint Creek.[7]

Major highways

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Transit

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Airport

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The Southeast Iowa Regional Airport (IATA code BRL), is located on the southern side of Burlington.

Adjacent counties

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Demographics

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Historical population
CensusPop.Note
185012,988
186019,61151.0%
187027,25639.0%
188033,09921.4%
189035,3246.7%
190035,9891.9%
191036,1450.4%
192035,520−1.7%
193038,1627.4%
194036,804−3.6%
195042,05614.3%
196044,6056.1%
197046,9825.3%
198046,203−1.7%
199042,614−7.8%
200042,351−0.6%
201040,325−4.8%
202038,910−3.5%
2023 (est.)38,253[8]−1.7%
U.S. Decennial Census[9]
1790-1960[10] 1900-1990[11]
1990-2000[12] 2010-2018[13]
 
Population of Des Moines County from US census data

2020 census

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

The 2020 census recorded a population of 38,910 in the county, with a population density of 91.615/sq mi (35.373/km2). 94.26% of the population reported being of one race. 82.03% were non-Hispanic White, 6.51% were Black, 3.20% were Hispanic, 0.20% were Native American, 1.04% were Asian, 0.06% were Native Hawaiian or Pacific Islander and 6.97% were some other race or more than one race. There were 18,782 housing units of which 16,751 were occupied.[1]

Des Moines County Racial Composition[14]
Race Num. Perc.
White (NH) 32,753 84.2%
Black or African American (NH) 2,501 6.43%
Native American (NH) 67 0.2%
Asian (NH) 398 1.02%
Pacific Islander (NH) 21 0.05%
Other/Mixed (NH) 1,925 5%
Hispanic or Latino 1,245 3.2%

2010 census

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The 2010 census recorded a population of 40,325 in the county, with a population density of 96.9002/sq mi (37.4134/km2). There were 18,535 housing units, of which 17,003 were occupied.[15]

2000 census

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As of the 2000 census,[16] there were 42,351 people, 17,270 households, and 11,536 families residing in the county. The population density was 102 inhabitants per square mile (39/km2). There were 18,643 housing units at an average density of 45 per square mile (17/km2). The racial makeup of the county was 93.69% White, 3.57% Black or African American, 0.25% Native American, 0.59% Asian, 0.04% Pacific Islander, 0.68% from other races, and 1.18% from two or more races. 1.75% of the population were Hispanic or Latino of any race.

There were 17,270 households, out of which 29.60% had children under the age of 18 living with them, 52.70% were married couples living together, 10.50% had a female householder with no husband present, and 33.20% were non-families. 28.60% of all households were made up of individuals, and 12.60% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.94.

In the county, the population was spread out, with 24.40% under the age of 18, 8.50% from 18 to 24, 26.10% from 25 to 44, 24.30% from 45 to 64, and 16.70% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 93.50 males. For every 100 females age 18 and over, there were 90.30 males.

The median income for a household in the county was $36,790, and the median income for a family was $45,089. Males had a median income of $34,880 versus $22,530 for females. The per capita income for the county was $19,701. About 8.20% of families and 10.70% of the population were below the poverty line, including 17.30% of those under age 18 and 7.40% of those age 65 or over.

Communities

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Cities

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Census-designated places

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Other unincorporated communities

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Townships

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Population ranking

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

county seat

Rank City/Town/etc. Municipal type Population (2020 Census)
1 Burlington City 23,982
2 West Burlington City 3,197
3 Mediapolis City 1,688
4 Beaverdale CDP 880
5 Danville City 927
6 Middletown City 363

Politics

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From 1896 through 1960, Des Moines County was a primarily Republican county, backing Democratic nominees only four times in the period (Woodrow Wilson in 1912, with a low plurality; Franklin Roosevelt in his two landslides in 1932 and 1936; and Harry Truman in 1948). From 1964 through 2012, it became a Democratic stronghold, backing the Democratic nominee in every election in this period save in Nixon's 1972 landslide. In 2016, Donald Trump became the first Republican since 1972 to carry the county, despite narrowly losing the overall national popular vote; the county swung over 25% in his favor relative to its 2012 vote.[17] The change to the GOP happened while the county experienced an economic decline.[18] In 2020 and 2024, Trump again carried the county, with an increased vote share each time, the first time the county has voted Republican three times in a row since between 1952 and 1960.

United States presidential election results for Des Moines County, Iowa[19]
Year Republican Democratic Third party(ies)
No.  % No.  % No.  %
2024 10,794 56.65% 7,935 41.64% 325 1.71%
2020 10,592 53.08% 8,893 44.56% 471 2.36%
2016 9,529 49.88% 8,212 42.99% 1,362 7.13%
2012 8,136 39.91% 11,888 58.32% 361 1.77%
2008 7,721 37.53% 12,462 60.57% 391 1.90%
2004 8,221 39.38% 12,456 59.67% 197 0.94%
2000 7,385 38.14% 11,351 58.62% 629 3.25%
1996 5,778 31.11% 10,761 57.94% 2,035 10.96%
1992 6,378 30.10% 11,309 53.37% 3,503 16.53%
1988 7,652 39.50% 11,593 59.84% 129 0.67%
1984 9,559 45.85% 11,173 53.59% 118 0.57%
1980 9,158 44.85% 9,977 48.87% 1,282 6.28%
1976 9,023 43.94% 11,268 54.87% 245 1.19%
1972 10,216 52.77% 8,869 45.82% 273 1.41%
1968 8,452 42.30% 10,164 50.87% 1,363 6.82%
1964 5,830 29.50% 13,894 70.31% 38 0.19%
1960 10,678 51.86% 9,872 47.94% 41 0.20%
1956 11,152 55.88% 8,781 44.00% 25 0.13%
1952 12,182 58.13% 8,686 41.45% 89 0.42%
1948 7,621 45.56% 8,792 52.56% 316 1.89%
1944 9,488 55.24% 7,543 43.91% 146 0.85%
1940 10,988 62.34% 6,578 37.32% 59 0.33%
1936 6,763 43.06% 7,011 44.64% 1,931 12.30%
1932 5,590 35.66% 9,395 59.94% 690 4.40%
1928 10,547 64.70% 5,578 34.22% 177 1.09%
1924 7,995 53.98% 2,616 17.66% 4,199 28.35%
1920 8,287 63.76% 3,449 26.54% 1,261 9.70%
1916 4,132 49.51% 3,827 45.86% 386 4.63%
1912 2,136 26.49% 3,169 39.30% 2,759 34.21%
1908 4,153 48.92% 3,975 46.83% 361 4.25%
1904 4,496 54.18% 3,043 36.67% 760 9.16%
1900 4,315 50.72% 3,909 45.94% 284 3.34%
1896 4,549 53.06% 3,741 43.63% 284 3.31%

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. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. ^ Des Moines County Archived July 3, 2007, at archive.today
  4. ^ "WI: Individual County Chronologies". publications.newberry.org. Archived from the original on April 14, 2017. Retrieved September 28, 2016.
  5. ^ Svendsen, Marlvs A. "PWA-Era County Courthouses of IA MPS". National Park Service. Retrieved February 9, 2011.
  6. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
  7. ^ Ripley, George; Dana, Charles A., eds. (1879). "Des Moines, a S. E. county of Iowa" . The American Cyclopædia.
  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 16, 2014.
  10. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 16, 2014.
  11. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 16, 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 16, 2014.
  13. ^ "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved July 16, 2014.
  14. ^ "P2 HISPANIC OR LATINO, AND NOT HISPANIC OR LATINO BY RACE – 2020: DEC Redistricting Data (PL 94-171) – Des Moines 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. ^ "Here's a map of the US counties that flipped to Trump from Democrats". www.cnbc.com. Retrieved January 11, 2021.
  18. ^ Gabriel, Trip (April 27, 2021). "Why Iowa Has Become Such a Heartbreaker for Democrats". The New York Times. Retrieved May 28, 2023.
  19. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 25, 2018.

Further reading

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40°55′40″N 91°11′02″W / 40.92778°N 91.18389°W / 40.92778; -91.18389