Carroll County, Iowa

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Carroll County, Iowa
Map of Iowa highlighting Carroll County
Location in the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location in the U.S.
Founded 1851
Named for Charles Carroll of Carrollton
Seat Carroll
Largest city Carroll
Area
 • Total 570 sq mi (1,476 km2)
 • Land 569 sq mi (1,474 km2)
 • Water 0.8 sq mi (2 km2), 0.1%
Population
 • (2010) 20,816
 • Density 37/sq mi (14/km²)
Congressional district 4th
Time zone Central: UTC-6/-5
Website www.co.carroll.ia.us

Carroll County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 20,816.[1] Its county seat is Carroll.[2] The county is named in honor of Charles Carroll of Carrollton, signer of the Declaration of Independence.

History

Carroll County was formed on January 15, 1851 from sections of Pottawattamie County. It was named after Charles Carroll[3] of Carrollton, Maryland, the only Roman Catholic and longest-living signer of the Declaration of Independence. In 1855, the county government was established in Carrolton and in 1858, the first courthouse was built. In 1869, the seat was moved to Carroll City (today Carroll) which was centrally located and connected to the Chicago and North Western Transportation Company. The courthouse was destroyed in 1886 by fire. The present courthouse was erected in 1965. However the courthouse is set to go under construction in the near future

Geography

According to the U.S. Census Bureau, the county has a total area of 570 square miles (1,500 km2), of which 569 square miles (1,470 km2) is land and 0.8 square miles (2.1 km2) (0.1%) is water.[4]

File:Carroll Co IA Pie Chart No Text Version.pdf
Native vegetation based on NRCS soils information

Major highways

Adjacent counties

Demographics

Historical population
Census Pop. %±
1860 281 —
1870 2,451 772.2%
1880 12,351 403.9%
1890 18,825 52.4%
1900 20,319 7.9%
1910 20,117 −1.0%
1920 21,549 7.1%
1930 22,326 3.6%
1940 22,770 2.0%
1950 23,065 1.3%
1960 23,431 1.6%
1970 22,912 −2.2%
1980 22,951 0.2%
1990 21,423 −6.7%
2000 21,421 0.0%
2010 20,816 −2.8%
Est. 2014 20,562 [5] −1.2%
U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2013[1]

2010 census

The 2010 census recorded a population of 20,816 in the county, with a population density of 36.58/sq mi (14.125/km2). There were 9,376 housing units, of which 8,683 were occupied.[10]

2000 census

File:USA Carroll County, Iowa age pyramid.svg
2000 Census Age Pyramid for Carroll County

As of the census[11] of 2000, there were 21,421 people, 8,486 households, and 5,668 families residing in the county. The population density was 38 people per square mile (15/km²). There were 9,019 housing units at an average density of 16 per square mile (6/km²). The racial makeup of the county was 98.87% White, 0.18% Black or African American, 0.10% Native American, 0.34% Asian, 0.20% from other races, and 0.31% from two or more races. 0.54% of the population were Hispanic or Latino of any race.

There were 8,486 households out of which 32.90% had children under the age of 18 living with them, 57.00% were married couples living together, 6.80% had a female householder with no husband present, and 33.20% were non-families. 29.60% of all households were made up of individuals and 15.50% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 3.07.

In the county the population was spread out with 26.90% under the age of 18, 7.40% from 18 to 24, 25.90% from 25 to 44, 21.00% from 45 to 64, and 18.70% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 95.10 males. For every 100 females age 18 and over, there were 92.00 males.

The median income for a household in the county was $37,275, and the median income for a family was $47,040. Males had a median income of $30,074 versus $21,528 for females. The per capita income for the county was $18,595. About 4.50% of families and 6.50% of the population were below the poverty line, including 6.10% of those under age 18 and 8.20% of those age 65 or over.

Communities

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Townships

Carroll County is divided into sixteen townships:

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See also

References

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External links

 Sac County Calhoun County
Crawford County Greene County
  Carroll County, Iowa  
Audubon County Guthrie County

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