Marion County, Iowa

Marion County
Marion County
U.S. county
	Marion County Courthouse in Knoxville
	Location within the U.S. state of Iowa
	Iowa's location within the U.S.
	Coordinates: 41°19′52″N 93°06′08″W / 41.331111111111°N 93.102222222222°W
Country	United States
State	Iowa
Founded	1845
Named for	Francis Marion
Seat	Knoxville
Largest city	Pella
Area
• Total	571 sq mi (1,480 km2)
• Land	555 sq mi (1,440 km2)
• Water	16 sq mi (40 km2) 2.8%
Population (2020)
• Total	33,414
• Density	59/sq mi (23/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	2nd
Website	www.co.marion.ia.us

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[]

Adjacent counties[]

Jasper County (north)
Mahaska County (east)
Monroe County (southeast)
Lucas County (southwest)
Warren County (west)

Demographics[]

Historical population
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%
2020	33,414	0.3%
U.S. Decennial Census^[5] 1790-1960^[6] 1900-1990^[7] 1990-2000^[8] 2010-2018^[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[]

Unincorporated communities[]

Townships[]

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 (partially in Warren County)	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[]

Marion County farmer with mule-drawn wagon, about 1926
Two Iowa farm boys riding a pony, about 1937
Iowa farm boy riding hog, about 1941
Farm house and barn yard near Pleasantville, 1957
Cows in farm pasture, 1957
Farmer getting coal, December 1957
Farm barnyard
Farm barnyard and silo, 1960

Politics[]

show

Presidential Elections Results

References[]

^ Jump up to: ^a ^b ^c "2020 Census State Redistricting Data". census.gov. United states Census Bureau. Retrieved August 12, 2021.
^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p. 200.
^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 20, 2014.
^ "Historical Census Browser". University of Virginia Library. Retrieved July 20, 2014.
^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 20, 2014.
^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 20, 2014.
^ "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved July 20, 2014.
^ "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. Retrieved May 23, 2011.^{[dead link]}
^ "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.
^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 27, 2018.

External links[]

Official Marion County, Iowa Website

Coordinates: 41°19′52″N 93°06′08″W / 41.33111°N 93.10222°W / 41.33111; -93.10222

[cen2020-1] Jump up to: ^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] Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p. 200.

[4] "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.

[5] "U.S. Decennial Census". United States Census Bureau. Retrieved July 20, 2014.

[6] "Historical Census Browser". University of Virginia Library. Retrieved July 20, 2014.

[7] "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 20, 2014.

[8] "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 20, 2014.

[QF-9] "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved July 20, 2014.

[10] "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. Retrieved May 23, 2011.^{[dead link]}

[11] "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.

[12] Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 27, 2018.

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[12]

Year	Republican	Democratic	Third Parties
2020	65.8% 12,663	32.1% 6,178	2.0% 391
2016	61.5% 10,962	30.8% 5,482	7.7% 1,372
2012	55.6% 9,828	42.4% 7,507	2.0% 352
2008	54.3% 9,256	43.6% 7,421	2.1% 355
2004	59.8% 9,990	39.4% 6,574	0.8% 132
2000	58.0% 8,358	39.9% 5,741	2.1% 309
1996	46.7% 6,100	45.8% 5,978	7.5% 974
1992	44.8% 6,062	40.9% 5,531	14.3% 1,940
1988	45.7% 5,914	53.4% 6,922	0.9% 118
1984	53.2% 7,259	46.3% 6,313	0.5% 62
1980	49.3% 6,665	40.6% 5,490	10.1% 1,363
1976	45.8% 5,429	52.5% 6,226	1.7% 202
1972	57.1% 6,583	40.3% 4,643	2.7% 305
1968	52.4% 5,791	41.8% 4,618	5.9% 653
1964	33.0% 3,903	66.8% 7,911	0.2% 28
1960	62.0% 7,444	37.9% 4,547	0.1% 17
1956	56.1% 6,830	43.7% 5,316	0.2% 22
1952	57.3% 7,165	41.5% 5,196	1.2% 155
1948	39.7% 4,312	58.0% 6,300	2.4% 258
1944	43.0% 4,874	56.1% 6,365	0.9% 99
1940	45.2% 5,763	54.2% 6,915	0.6% 75
1936	41.5% 4,975	56.3% 6,745	2.2% 266
1932	33.5% 3,695	64.1% 7,067	2.5% 272
1928	59.4% 6,225	39.2% 4,113	1.4% 149
1924	47.7% 5,058	22.5% 2,383	29.9% 3,174
1920	56.6% 5,435	40.2% 3,861	3.2% 303
1916	42.9% 2,459	54.0% 3,094	3.1% 179
1912	22.7% 1,191	43.3% 2,276	34.0% 1,788
1908	46.1% 2,625	48.1% 2,739	5.8% 328
1904	53.1% 2,988	39.1% 2,202	7.8% 442
1900	48.5% 2,950	48.5% 2,950	2.9% 179
1896	46.1% 2,741	52.4% 3,119	1.6% 92

show v t Municipalities and communities of Marion County, Iowa, United States
County seat: Knoxville
Cities	Bussey Hamilton Harvey Knoxville Marysville Melcher-Dallas Pella Pleasantville Swan
Unincorporated communities	Attica Cloud Columbia Otley Tracy
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