Marshall County, Iowa

Marshall County, Iowa

The courthouse in Marshalltown is on the NRHP
Map of Iowa highlighting Marshall County
Location in the state of Iowa
Map of the United States highlighting Iowa
Iowa's location in the U.S.
Founded 1846
Named for John Marshall
Seat Marshalltown
Largest city Marshalltown
Area
 • Total 573 sq mi (1,484 km2)
 • Land 572 sq mi (1,481 km2)
 • Water 0.7 sq mi (2 km2), 0.1%
Population
 • (2010) 40,648
 • Density 71/sq mi (27/km²)
Congressional district 1st
Time zone Central: UTC-6/-5
Website www.co.marshall.ia.us

Marshall County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 40,648.[1] The county seat is Marshalltown.[2] The county was formed on January 13, 1846 and named after John Marshall, Chief Justice of the United States Supreme Court.[3]

Marshall County comprises the Marshalltown, IA Micropolitan Statistical Area.

In 2010, the center of population of Iowa was located in Marshall County, near Melbourne.[4]

Geography

According to the U.S. Census Bureau, the county has a total area of 573 square miles (1,480 km2), of which 573 square miles (1,480 km2) is land and 0.7 square miles (1.8 km2) (0.1%) is water.[5]

Major highways

Adjacent counties

Demographics

Historical population
Census Pop. %±
1850338—
18606,0151,679.6%
187017,576192.2%
188023,75235.1%
189025,8428.8%
190029,99116.1%
191030,2791.0%
192032,6307.8%
193033,7273.4%
194035,4065.0%
195035,6110.6%
196037,9846.7%
197041,0768.1%
198041,6521.4%
199038,276−8.1%
200039,3112.7%
201040,6483.4%
Est. 201440,866[6]0.5%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2013[1]

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.[11]

2000 census

2000 Census Age Pyramid for Marshall County

As of the census[12] 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

Cities

Unincorporated communities

Townships

See also

References

  1. 1 2 "State & County QuickFacts". United States Census Bureau. Retrieved July 20, 2014.
  2. ↑ "Find a County". National Association of Counties. Retrieved 2011-06-07.
  3. ↑ Courthouse History—Marshall County, Iowa
  4. ↑ "Centers of Population by State: 2010". United States Census Bureau. Retrieved July 20, 2014.
  5. ↑ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
  6. ↑ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015.
  7. ↑ "U.S. Decennial Census". United States Census Bureau. Retrieved July 20, 2014.
  8. ↑ "Historical Census Browser". University of Virginia Library. Retrieved July 20, 2014.
  9. ↑ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 20, 2014.
  10. ↑ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 20, 2014.
  11. ↑ "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. Retrieved May 23, 2011.
  12. ↑ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
  13. ↑ http://freepages.family.rootsweb.ancestry.com/~solongago/pi2270.htm

External links

Wikimedia Commons has media related to Marshall County, Iowa.
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Coordinates: 42°02′03″N 93°00′04″W / 42.03417°N 93.00111°W / 42.03417; -93.00111

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