Marion County, Iowa

County in Iowa, United States

For counties with a similar name, see Marion County (disambiguation).

Not to be confused with Marion, Iowa.

U.S. county in Iowa

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.

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.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]

## Contents

* 1 Geography
* 1.1 Major highways
* 1.2 Adjacent counties
* 2 Demographics
* 2.1 2020 census
* 2.2 2010 census
* 2.3 2000 census
* 3 Communities
* 3.1 Cities
* 3.2 Unincorporated communities
* 3.3 Townships
* 3.4 Population ranking
* 4 Gallery
* 5 Politics
* 6 See also
* 7 References
* 8 External links

## Geography

[edit | edit source]

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

[edit | edit source]

* Iowa Highway 5
* Iowa Highway 14
* Iowa Highway 92
* Iowa Highway 163
* Iowa Highway 316

### Adjacent counties

[edit | edit source]

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

## Demographics

[edit | edit source]

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

[edit | edit source]

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

[edit | edit source]

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

[edit | edit source]

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

[edit | edit source]

### Cities

[edit | edit source]

* Bussey
* Hamilton
* Harvey
* Knoxville
* Marysville
* Melcher-Dallas
* Pella
* Pleasantville
* Swan

### Unincorporated communities

[edit | edit source]

* Attica
* Cloud
* Columbia
* Flagler
* Otley
* Pershing
* Tracy

### Townships

[edit | edit source]

* Clay
* Dallas
* Franklin
* Indiana
* Knoxville
* Lake Prairie
* Liberty
* Pleasant Grove
* Red Rock
* Summit
* Union
* Washington

### Population ranking

[edit | edit source]

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

[edit | edit source]

* 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

[edit | edit source]

Presidential Elections Results

Presidential Elections Results[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

## See also

[edit | edit source]

* National Register of Historic Places listings in Marion County, Iowa

## References

[edit | edit source]

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. ^ 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.
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" (PDF). United States Census Bureau American FactFinder. Retrieved August 15, 2022.
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.

## External links

[edit | edit source]

Wikimedia Commons has media related to Marion County, Iowa.

* Official Marion County, Iowa Website

Places adjacent to Marion County, Iowa

|  | Jasper County |

|
|

|  |
Warren County |

Marion County, Iowa

| Mahaska County
|  |
Lucas County |  | Monroe County

* v
* t
* e

Municipalities and communities of Marion County, Iowa, United States

County seat: Knoxville

Cities|

* Bussey
* Hamilton
* Harvey
* Knoxville
* Marysville
* Melcher-Dallas
* Pella
* Pleasantville
* Swan

Map of Iowa highlighting Marion County

Unincorporated
communities|

* Attica
* Bauer
* Cloud
* Columbia
* Otley
* Tracy

* United States portal

* v
* t
* e

State of Iowa

Des Moines (capital)

Topics|

* Archaeology
* Area codes
* Attorney General
* Auditor of State
* Capitol
* Code
* Congressional districts
* Crime
* Delegations
* Representatives
* Senators
* Elections
* Caucuses
* Environment
* Flag
* Governor
* History
* Historic Places
* Index
* Legislature
* House
* Senate
* Museums
* People
* Native Americans
* Political parties
* Democratic
* Libertarian
* Republican
* Seal
* Secretary of Agriculture
* Secretary of State
* State Parks
* Supreme Court
* Symbols
* Treasurer of State

Regions|

* Coteau des Prairies
* Des Moines metropolitan area
* Dissected Till Plains
* Driftless Area
* Great River Road
* Honey Lands
* Iowa Great Lakes
* Loess Hills
* Omaha–Council Bluffs metropolitan area
* Quad Cities
* Siouxland

Largest cities|

* Ames
* Ankeny
* Bettendorf
* Burlington
* Cedar Falls
* Cedar Rapids
* Clinton
* Council Bluffs
* Davenport
* Des Moines
* Dubuque
* Fort Dodge
* Iowa City
* Marion
* Marshalltown
* Mason City
* Muscatine
* Ottumwa
* Sioux City
* Urbandale
* Waterloo
* West Des Moines

Counties|

* Adair
* Adams
* Allamakee
* Appanoose
* Audubon
* Benton
* Black Hawk
* Boone
* Bremer
* Buchanan
* Buena Vista
* Butler
* Calhoun
* Carroll
* Cass
* Cedar
* Cerro Gordo
* Cherokee
* Chickasaw
* Clarke
* Clay
* Clayton
* Clinton
* Crawford
* Dallas
* Davis
* Decatur
* Delaware
* Des Moines
* Dickinson
* Dubuque
* Emmet
* Fayette
* Floyd
* Franklin
* Fremont
* Greene
* Grundy
* Guthrie
* Hamilton
* Hancock
* Hardin
* Harrison
* Henry
* Howard
* Humboldt
* Ida
* Iowa
* Jackson
* Jasper
* Jefferson
* Johnson
* Jones
* Keokuk
* Kossuth
* Lee
* Linn
* Louisa
* Lucas
* Lyon
* Madison
* Mahaska
* Marion
* Marshall
* Mills
* Mitchell
* Monona
* Monroe
* Montgomery
* Muscatine
* O'Brien
* Osceola
* Page
* Palo Alto
* Plymouth
* Pocahontas
* Polk
* Pottawattamie
* Poweshiek
* Ringgold
* Sac
* Scott
* Shelby
* Sioux
* Story
* Tama
* Taylor
* Union
* Van Buren
* Wapello
* Warren
* Washington
* Wayne
* Webster
* Winnebago
* Winneshiek
* Woodbury
* Worth
* Wright

Coordinates: 41°19′52″N 93°06′08″W﻿ / ﻿41.33111°N 93.10222°W﻿ / 41.33111; -93.10222
*[Pop.]: Population
*[%±]: Percent change
*[v]: View this template
*[t]: Discuss this template
*[e]: Edit this template