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Union County, Iowa facts for kids

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Union County
Union County Courthouse
Union County Courthouse
Map of Iowa highlighting Union County
Location within the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location within the U.S.
Country  United States
State  Iowa
Founded 1853
Seat Creston
Largest city Creston
Area
 • Total 426 sq mi (1,100 km2)
 • Land 424 sq mi (1,100 km2)
 • Water 2.2 sq mi (6 km2)  0.5%%
Population
 (2010)
 • Total 12,534
 • Density 30/sq mi (10/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district 3rd

Union County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 12,534. The county seat is Creston.

Geography

According to the U.S. Census Bureau, the county has a total area of 426 square miles (1,100 km2), of which 424 square miles (1,100 km2) is land and 2.2 square miles (5.7 km2) (0.5%) is water.

Major highways

Adjacent counties

Demographics

Historical population
Census Pop.
1860 2,012
1870 5,986 197.5%
1880 14,980 150.3%
1890 16,900 12.8%
1900 19,928 17.9%
1910 16,616 −16.6%
1920 17,268 3.9%
1930 17,435 1.0%
1940 16,280 −6.6%
1950 15,651 −3.9%
1960 13,712 −12.4%
1970 13,557 −1.1%
1980 13,858 2.2%
1990 12,750 −8.0%
2000 12,309 −3.5%
2010 12,534 1.8%
Est. 2015 12,469 −0.5%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

2010 census

The 2010 census recorded a population of 12,534 in the county, with a population density of 29.5342/sq mi (11.4032/km2). There were 5,937 housing units, of which 5,271 were occupied.

2000 census

USA Union County, Iowa age pyramid
2000 Census Age Pyramid for Union County

As of the census of 2000, there were 12,309 people, 5,242 households, and 3,354 families residing in the county. The population density was 29 people per square mile (11/km²). There were 5,657 housing units at an average density of 13 per square mile (5/km²). The racial makeup of the county was 98.44% White, 0.23% Black or African American, 0.17% Native American, 0.25% Asian, 0.32% from other races, and 0.58% from two or more races. 1.02% of the population were Hispanic or Latino of any race.

There were 5,242 households out of which 27.50% had children under the age of 18 living with them, 53.10% were married couples living together, 8.00% had a female householder with no husband present, and 36.00% were non-families. 31.30% of all households were made up of individuals and 14.40% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.87.

In the county, the population was spread out with 23.30% under the age of 18, 8.70% from 18 to 24, 25.30% from 25 to 44, 24.00% from 45 to 64, and 18.70% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 92.10 males. For every 100 females age 18 and over, there were 89.00 males.

The median income for a household in the county was $31,905, and the median income for a family was $41,453. Males had a median income of $27,700 versus $20,760 for females. The per capita income for the county was $16,690. About 7.40% of families and 11.40% of the population were below the poverty line, including 13.80% of those under age 18 and 9.30% of those age 65 or over.

Communities

Cities

Census-designated place

Population ranking

The population ranking of the following table is based on the 2010 census of Union County.

county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 Creston City 7,834
2 Afton City 845
3 Lorimor City 360
4 Cromwell City 107
5 Arispe City 100
6 Shannon City (partially in Ringgold County) City 71
7 Kent CDP 61
8 Thayer City 59
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