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| Marion County, Iowa | |
 Marion County Courthouse in Knoxville
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 Location in the state of Iowa | |
 Iowa's location in the U.S. | |
| Founded | 1845 |
|---|---|
| Named for | Francis Marion |
| Seat | Knoxville |
| Largest city | Pella |
| Area - Total - Land - Water |
571 sq mi (1,479 km²) 555 sq mi (1,437 km²) 16 sq mi (41 km²), 2.8 |
| Population - (2020) - Density |
33,414 |
| Congressional district | 2nd |
| Time zone | Central: UTC-6/-5 |
| Website | https://www.marioncountyiowa.gov/ |
Marion County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 33,414.[1] The county seat is Knoxville.[2] It is named for Francis Marion, a brigadier general from South Carolina in the American Revolutionary War.[3]
Geography[]
According to the U.S. Census Bureau, the county has a total area of 571 square miles (1,480 km2), of which 555 square miles (1,440 km2) is land and 16 square miles (41 km2) (2.8%) is water.[4]
Major highways[]
Iowa Highway 5- Iowa Highway 14
- Iowa Highway 92
- Iowa Highway 163
- Iowa Highway 316
Adjacent counties[]
- Jasper County (north)
- Mahaska County (east)
- Monroe County (southeast)
- Lucas County (southwest)
- Warren County (west)
Demographics[]
| Historical populations | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1850 | 5,482 | ||
| 1860 | 16,813 | 206.7% | |
| 1870 | 24,436 | 45.3% | |
| 1880 | 25,111 | 2.8% | |
| 1890 | 23,058 | −8.2% | |
| 1900 | 24,159 | 4.8% | |
| 1910 | 22,995 | −4.8% | |
| 1920 | 24,957 | 8.5% | |
| 1930 | 25,727 | 3.1% | |
| 1940 | 27,019 | 5.0% | |
| 1950 | 25,930 | −4.0% | |
| 1960 | 25,886 | −0.2% | |
| 1970 | 26,352 | 1.8% | |
| 1980 | 29,669 | 12.6% | |
| 1990 | 30,001 | 1.1% | |
| 2000 | 32,052 | 6.8% | |
| 2010 | 33,309 | 3.9% | |
| U.S. Decennial Census[5] 1790-1960[6] 1900-1990[7] 1990-2000[8] 2010-2020[9] | |||
Population of Marion County from US census data
2020 census[]
The 2020 census recorded a population of 33,414 in the county, with a population density of 58.4743/sq mi (22.5770/km2). 96.24% of the population reported being of one race. 91.15% were non-Hispanic White, 0.87% were Black, 2.09% were Hispanic, 0.21% were Native American, 1.20% were Asian, 0.06% were Native Hawaiian or Pacific Islander and 4.41% were some other race or more than one race. There were 14,073 housing units, of which 13,145 were occupied.[1]
2010 census[]
The 2010 census recorded a population of 33,309 in the county, with a population density of 60.1018/sq mi (23.2054/km2). There were 13,914 housing units, of which 12,723 were occupied.[10]
2000 census[]
2000 Census Age Pyramid for Marion County
As of the census[11] of 2000, there were 32,052 people, 12,017 households, and 8,532 families residing in the county. The population density was 58 people per square mile (22/km2). There were 12,755 housing units at an average density of 23 per square mile (9/km2). The racial makeup of the county was 97.46% White, 0.42% Black or African American, 0.19% Native American, 1.03% Asian, 0.04% Pacific Islander, 0.22% from other races, and 0.64% from two or more races. 0.80% of the population were Hispanic or Latino of any race.
There were 12,017 households, out of which 33.00% had children under the age of 18 living with them, 61.20% were married couples living together, 6.90% had a female householder with no husband present, and 29.00% were non-families. 25.60% of all households were made up of individuals, and 11.90% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 3.02.
In the county, the population was spread out, with 25.30% under the age of 18, 10.20% from 18 to 24, 26.50% from 25 to 44, 22.10% from 45 to 64, and 15.90% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 98.60 males. For every 100 females age 18 and over, there were 95.80 males.
The median income for a household in the county was $42,401, and the median income for a family was $50,052. Males had a median income of $36,460 versus $25,573 for females. The per capita income for the county was $18,717. About 5.20% of families and 7.60% of the population were below the poverty line, including 8.70% of those under age 18 and 10.80% of those age 65 or over.
Communities[]
Cities[]
- Bussey
- Hamilton
- Harvey
- Knoxville
- Marysville
- Melcher-Dallas
- Pella
- Pleasantville
- Swan
Unincorporated communities[]
- Attica
- Cloud
- Columbia
- Flagler
- Otley
- Pershing
- Tracy
Townships[]
- Clay
- Dallas
- Franklin
- Indiana
- Knoxville
- Lake Prairie
- Liberty
- Pleasant Grove
- Red Rock
- Summit
- Union
- Washington
Population ranking[]
Red Rock Lake and Dam in Marion County near Pella. Elk Rock State Park is situated on both sides of the lake to the northwest. County road T15 crosses over the dam.
The population ranking of the following table is based on the 2020 census of Marion County.[1]
† county seat
| Rank | City/Town/etc. | Municipal type | Population (2020 Census) |
|---|---|---|---|
| 1 | Pella | City | 10,464 |
| 2 | † Knoxville | City | 7,595 |
| 3 | Pleasantville | City | 1,676 |
| 4 | Melcher-Dallas | City | 1,195 |
| 5 | Bussey | City | 387 |
| 6 | Harvey | City | 236 |
| 7 | Hamilton | City | 119 |
| 8 | Swan | City | 76 |
| 9 | Marysville | City | 44 |
Gallery[]
Politics[]
| Year | Republican | Democratic | Third party | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 2020 | 12,663 | 65.84% | 6,178 | 32.12% | 391 | 2.03% |
| 2016 | 10,962 | 61.53% | 5,482 | 30.77% | 1,372 | 7.70% |
| 2012 | 9,828 | 55.57% | 7,507 | 42.44% | 352 | 1.99% |
| 2008 | 9,256 | 54.34% | 7,421 | 43.57% | 355 | 2.08% |
| 2004 | 9,990 | 59.83% | 6,574 | 39.37% | 132 | 0.79% |
| 2000 | 8,358 | 58.01% | 5,741 | 39.85% | 309 | 2.14% |
| 1996 | 6,100 | 46.74% | 5,978 | 45.80% | 974 | 7.46% |
| 1992 | 6,062 | 44.79% | 5,531 | 40.87% | 1,940 | 14.34% |
| 1988 | 5,914 | 45.65% | 6,922 | 53.44% | 118 | 0.91% |
| 1984 | 7,259 | 53.24% | 6,313 | 46.30% | 62 | 0.45% |
| 1980 | 6,665 | 49.30% | 5,490 | 40.61% | 1,363 | 10.08% |
| 1976 | 5,429 | 45.79% | 6,226 | 52.51% | 202 | 1.70% |
| 1972 | 6,583 | 57.09% | 4,643 | 40.27% | 305 | 2.65% |
| 1968 | 5,791 | 52.35% | 4,618 | 41.75% | 653 | 5.90% |
| 1964 | 3,903 | 32.96% | 7,911 | 66.80% | 28 | 0.24% |
| 1960 | 7,444 | 61.99% | 4,547 | 37.87% | 17 | 0.14% |
| 1956 | 6,830 | 56.13% | 5,316 | 43.69% | 22 | 0.18% |
| 1952 | 7,165 | 57.25% | 5,196 | 41.51% | 155 | 1.24% |
| 1948 | 4,312 | 39.67% | 6,300 | 57.96% | 258 | 2.37% |
| 1944 | 4,874 | 42.99% | 6,365 | 56.14% | 99 | 0.87% |
| 1940 | 5,763 | 45.19% | 6,915 | 54.22% | 75 | 0.59% |
| 1936 | 4,975 | 41.51% | 6,745 | 56.27% | 266 | 2.22% |
| 1932 | 3,695 | 33.49% | 7,067 | 64.05% | 272 | 2.47% |
| 1928 | 6,225 | 59.36% | 4,113 | 39.22% | 149 | 1.42% |
| 1924 | 5,058 | 47.65% | 2,383 | 22.45% | 3,174 | 29.90% |
| 1920 | 5,435 | 56.62% | 3,861 | 40.22% | 303 | 3.16% |
| 1916 | 2,459 | 42.90% | 3,094 | 53.98% | 179 | 3.12% |
| 1912 | 1,191 | 22.66% | 2,276 | 43.31% | 1,788 | 34.02% |
| 1908 | 2,625 | 46.12% | 2,739 | 48.12% | 328 | 5.76% |
| 1904 | 2,988 | 53.05% | 2,202 | 39.10% | 442 | 7.85% |
| 1900 | 2,950 | 48.53% | 2,950 | 48.53% | 179 | 2.94% |
| 1896 | 2,741 | 46.05% | 3,119 | 52.40% | 92 | 1.55% |
| 1892 | 2,319 | 43.70% | 2,540 | 47.86% | 448 | 8.44% |
| 1888 | 2,374 | 47.30% | 2,322 | 46.26% | 323 | 6.44% |
| 1884 | 2,356 | 47.27% | 2,593 | 52.03% | 35 | 0.70% |
| 1880 | 2,452 | 47.46% | 1,520 | 29.42% | 1,194 | 23.11% |
See also[]
- National Register of Historic Places listings in Marion County, Iowa
References[]
- ^ a b c "2020 Census State Redistricting Data". United states Census Bureau. https://www2.census.gov/programs-surveys/decennial/2020/data/01-Redistricting_File--PL_94-171/Iowa/.
- ^ "Find a County". National Association of Counties. http://www.naco.org/Counties/Pages/FindACounty.aspx.
- ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p. 200. https://archive.org/details/bub_gb_9V1IAAAAMAAJ.
- ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html.
- ^ "U.S. Decennial Census". United States Census Bureau. https://www.census.gov/programs-surveys/decennial-census.html.
- ^ "Historical Census Browser". University of Virginia Library. http://mapserver.lib.virginia.edu.
- ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. https://www.census.gov/population/cencounts/ia190090.txt.
- ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf.
- ^ "State & County QuickFacts". United States Census Bureau. http://quickfacts.census.gov/qfd/states/19/19125.html.
- ^ "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. https://www2.census.gov/library/publications/decennial/2010/cph-2/cph-2-17.pdf.
- ^ "U.S. Census website". United States Census Bureau. https://www.census.gov.
- ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". http://uselectionatlas.org/RESULTS.
External links[]
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Jasper County |
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| Warren County | 
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Mahaska County | ||
   Marion County, Iowa | ||||
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| Lucas County | Monroe County |
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| This page uses content from the English language Wikipedia. The original content was at Marion County, Iowa. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License. |