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Calhoun County, Iowa

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Calhoun County, Iowa
Calhoun County IA Courthouse
Map of Iowa highlighting Calhoun County
Location in the state of Iowa
Map of USA IA
Iowa's location in the U.S.
Founded 1855
Named for John C. Calhoun
Seat Rockwell City
Largest city Lake City
Area
 - Total
 - Land
 - Water

572 sq mi (1,481 km²)
570 sq mi (1,476 km²)
2.1 sq mi (5 km²), 0.4%
Population
 - (2010)
 - Density

9,670
17/sq mi (7/km²)
Congressional district 4th
Time zone Central: UTC-6/-5
Website www.calhouncountyiowa.com

Calhoun County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 9,670.[1] Its county seat is Rockwell City.[2]

History Edit

Calhoun County was formed on January 15, 1851 from open land originally named Fox County. It was renamed in 1853 after the seventh US Vice President secessionist John C. Calhoun. When the tracks of the Illinois Central Railroad were laid through the county in 1870, the county seat was moved from Lake City to Rockwell City. The first train reached Rockwell City on August 7, 1882 and the population count doubled in the same year. The first courthouse, built of wood, burned to the ground in 1884 and the county government moved into a nearby hotel. In 1913, the current courthouse was built.

On July 6, 1893, Pomeroy was struck by a tornado that measured F5 on the Fujita scale. With a damage path 500 yards (460 m) wide and 55 miles (89 km) long, the tornado destroyed about 80% of the homes in Pomeroy. The tornado killed 71 people and injured 200.

Geography Edit

According to the U.S. Census Bureau, the county has a total area of 572 square miles (1,480 km2), of which 570 square miles (1,500 km2) is land and 2.1 square miles (5.4 km2) (0.4%) is water.[3]

Major highways Edit

Adjacent counties Edit

Demographics Edit

Historical populations
Census Pop.
1860 147
1870 1,602 989.8%
1880 5,595 249.3%
1890 13,107 134.3%
1900 18,569 41.7%
1910 17,090 −8.0%
1920 17,783 4.1%
1930 17,605 −1.0%
1940 17,584 −0.1%
1950 16,925 −3.7%
1960 15,923 −5.9%
1970 14,287 −10.3%
1980 13,542 −5.2%
1990 11,508 −15.0%
2000 11,115 −3.4%
2010 9,670 −13.0%
Est. 2015 9,818 [4] −11.7%
U.S. Decennial Census[5]
1790-1960[6] 1900-1990[7]
1990-2000[8] 2010-2013[1]

2010 censusEdit

The 2010 census recorded a population of 9,670 in the county, with a population density of 16.96/sq mi (6.55/km2). There were 5,108 housing units, of which 4,242 were occupied.[9]

2000 censusEdit

USA Calhoun County, Iowa age pyramid

2000 Census Age Pyramid for Calhoun County

As of the census[10] of 2000, there were 11,115 people, 4,513 households, and 3,014 families residing in the county. The population density was 20 people per square mile (8/km²). There were 5,219 housing units at an average density of 9 per square mile (4/km²). The racial makeup of the county was 98.06% White, 0.69% Black or African American, 0.20% Native American, 0.18% Asian, 0.01% Pacific Islander, 0.34% from other races, and 0.52% from two or more races. 0.90% of the population were Hispanic or Latino of any race.

There are 4,513 households out of which 27.80% have children under the age of 18 living with them, 57.90% were married couples living together, 6.60% had a female householder with no husband present, and 33.20% were non-families. 30.50% of all households were made up of individuals and 17.80% had someone living alone who was 65 years of age or older. The average household size was 2.31 and the average family size was 2.87.

In the county the population was spread out with 23.10% under the age of 18, 6.40% from 18 to 24, 24.80% from 25 to 44, 23.70% from 45 to 64, and 22.10% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 98.10 males. For every 100 females age 18 and over, there were 97.60 males.

The median income for a household in the county was $33,286, and the median income for a family was $41,583. Males had a median income of $28,787 versus $20,095 for females. The per capita income for the county was $17,498. 10.10% of the population and 7.10% of families were below the poverty line. Out of the total population, 13.50% of those under the age of 18 and 8.50% of those 65 and older were living below the poverty line.

CommunitiesEdit

CitiesEdit

Unincorporated communitiesEdit

TownshipsEdit

Calhoun County is divided into sixteen townships:

Population rankingEdit

The population ranking of the following table is based on the 2010 census of Calhoun County.[11]

county seat

Rank City/Town/etc. Municipal type Population (2010 Census)

1 Lake City City 1,727
2 Rockwell City City 1,709
3 Manson City 1,690
4 Pomeroy City 662
5 Farnhamville (partially in Webster County) City 371
6 Lohrville City 368
7 Twin Lakes CDP 334
8 Lytton (mostly in Sac County) City 315
9 Somers City 113
10 Knierim City 60
11 Rinard City 52
12 Jolley City 41
13 Yetter City 34

See alsoEdit

ReferencesEdit

  1. ^ a b "State & County QuickFacts". United States Census Bureau. http://quickfacts.census.gov/qfd/states/19/19025.html. Retrieved July 14, 2014. 
  2. ^ "Find a County". National Association of Counties. http://www.naco.org/Counties/Pages/FindACounty.aspx. Retrieved 2011-06-07. 
  3. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. http://www.census.gov/geo/www/gazetteer/gazette.html. Retrieved 2011-04-23. 
  4. ^ "County Totals Dataset: Population, Population Change and Estimated Components of Population Change: April 1, 2010 to July 1, 2015". http://www.census.gov/popest/data/counties/totals/2015/CO-EST2015-alldata.html. Retrieved July 2, 2016. 
  5. ^ "U.S. Decennial Census". United States Census Bureau. http://www.census.gov/prod/www/decennial.html. Retrieved July 14, 2014. 
  6. ^ "Historical Census Browser". University of Virginia Library. http://mapserver.lib.virginia.edu. Retrieved July 14, 2014. 
  7. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. http://www.census.gov/population/cencounts/ia190090.txt. Retrieved July 14, 2014. 
  8. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. http://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf. Retrieved July 14, 2014. 
  9. ^ "Population and Housing Occupancy Status: 2010 - State -- County". 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 March 8, 2011. 
  10. ^ "American FactFinder". United States Census Bureau. http://factfinder2.census.gov. Retrieved 2008-01-31. 
  11. ^ http://www.census.gov/2010census/

External links Edit

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Coordinates: 42°23′10″N 94°38′50″W / 42.38611, -94.64722


This page uses content from the English language Wikipedia. The original content was at Calhoun County, Iowa. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.

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