Marshall County, Iowa

Marshall County, Iowa
Courthouse located in Marshalltown is on the NRHP
Location in the state of Iowa
Iowa's location in the U.S.
Founded	1846
Seat	Marshalltown
Area  - Total  - Land  - Water	573.02 sq mi (1,484 km²) 572.32 sq mi (1,482 km²) 0.70 sq mi (2 km²), 0.12%
Population  - (2010)  - Density	40,648 71/sq mi (27/km²)
Time zone	Central: UTC-6/-5
Website	www.co.marshall.ia.us
Footnotes: Population [1]

Marshall County is a county located in the U.S. state of Iowa. The population was 40,648 in the 2010 census, an increase from 39,311 in the 2000 census.^[1][2] The county seat is Marshalltown.^[3] The center of population of Iowa is located in Marshall County southwest of Marshalltown.^[4]

Geography

According to the 2000 census, the county has a total area of 573.02 square miles (1,484.1 km²), of which 572.32 square miles (1,482.3 km²) (or 99.88%) is land and 0.70 square miles (1.8 km²) (or 0.12%) is water.^[5]

Major highways

• U.S. Highway 30
• Iowa Highway 14
• Iowa Highway 96
• Iowa Highway 146
• Iowa Highway 330

Adjacent counties

• Hardin County (northwest)
• Grundy County (northeast)
• Tama County (east)
• Jasper County (south)
• Story County (west)

History

Marshall County was formed on January 13, 1846. It was named after John Marshall, Chief Justice of the United States Supreme Court.^[6]

Demographics

Historical populations
Census	Pop.		%±
1850	338		—
1860	6,015		1,679.6%
1870	17,576		192.2%
1880	23,752		35.1%
1890	25,842		8.8%
1900	29,991		16.1%
1910	30,279		1.0%
1920	32,630		7.8%
1930	33,727		3.4%
1940	35,406		5.0%
1950	35,611		0.6%
1960	37,984		6.7%
1970	41,076		8.1%
1980	41,652		1.4%
1990	38,276		−8.1%
2000	39,311		2.7%
2010	40,648		3.4%
Iowa Data Center [2]

2010 census

The 2010 census recorded a population of 40,648 in the county, with a population density of 71.0232/sq mi (27.4222/km²). There were 16,831 housing units, of which 15,538 were occupied.^[1]

2000 census

2000 Census Age Pyramid for Marshall County

As of the census^[7] of 2000, there were 39,311 people, 15,338 households, and 10,460 families residing in the county. The population density was 69 people per square mile (27/km²). There were 16,324 housing units at an average density of 28 per square mile (11/km²). The racial makeup of the county was 90.44% White, 0.93% Black or African American, 0.35% Native American, 0.78% Asian, 0.06% Pacific Islander, 6.03% from other races, and 1.42% from two or more races. 8.96% of the population were Hispanic or Latino of any race.

There were 15,338 households out of which 31.10% had children under the age of 18 living with them, 55.40% were married couples living together, 9.30% had a female householder with no husband present, and 31.80% were non-families. 26.90% of all households were made up of individuals and 12.20% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.00.

In the county the population was spread out with 25.30% under the age of 18, 8.10% from 18 to 24, 26.30% from 25 to 44, 23.90% from 45 to 64, and 16.40% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 99.20 males. For every 100 females age 18 and over, there were 96.50 males.

The median income for a household in the county was $38,268, and the median income for a family was $46,627. Males had a median income of $33,809 versus $24,063 for females. The per capita income for the county was $19,176. About 7.10% of families and 10.20% of the population were below the poverty line, including 14.30% of those under age 18 and 8.60% of those age 65 or over.

Communities

Incorporated cities

Albion Clemons Ferguson Gilman

Haverhill Laurel Le Grand

Liscomb Marshalltown Melbourne

Rhodes St. Anthony State Center

Unincorporated communities

Bangor Dunbar

Green Mountain LaMoille

Quarry

See also

• Marshall County Courthouse
• National Register of Historic Places listings in Marshall County, Iowa

References

1. ^ ^{a b c} "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. http://factfinder2.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=DEC_10_PL_GCTPL2.ST05&prodType=table. Retrieved May 23, 2011. 
2. ^ ^{a b} "Data from the 2010 Census". State Data Center of Iowa. http://www.iowadatacenter.org/archive/2011/02/feb10. Retrieved May 23, 2011. 
3. ^ "Find a County". National Association of Counties. http://www.naco.org/Counties/Pages/FindACounty.aspx. Retrieved 2011-06-07. 
4. ^ "Population and Population Centers by State: 2000". United States Census. http://www.census.gov/geo/www/cenpop/statecenters.txt. 
5. ^ "Census 2000 U.S. Gazetteer Files: Counties". United States Census. http://www.census.gov/tiger/tms/gazetteer/county2k.txt. Retrieved 2011-02-13. 
6. ^ Courthouse History—Marshall County, Iowa
7. ^ "American FactFinder". United States Census Bureau. http://factfinder.census.gov. Retrieved 2008-01-31. 

External links

Iowa portal

• Marshall County government's website

Coordinates: 42°02′03″N 93°00′04″W / 42.03417°N 93.00111°W / 42.03417; -93.00111