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Shelby County, Illinois
Map of Illinois highlighting Shelby County
Location in the state of Illinois
Map of the U.S. highlighting Illinois
Illinois's location in the U.S.
Founded 1827
Seat Shelbyville
 - Total
 - Land
 - Water

768 sq mi (1,989 km²)
759 sq mi (1,966 km²)
10 sq mi (26 km²), 1.24%
 - (2000)
 - Density

31/sq mi (12/km²)

Shelby County is a county located in the U.S. state of Illinois. As of 2000, the population was 22,893. Its county seat is Shelbyville6.

Shelby County was formed in 1827 out of Fayette County. It was named in honor of Isaac Shelby, Governor of Kentucky and hero of the Revolutionary War.


According to the U.S. Census Bureau, the county has a total area of 1,989 km² (768 sq mi). 1,965 km² (759 sq mi) of it is land and 25 km² (10 sq mi) of it (1.24%) is water.

Adjacent Counties[]


Historical populations
Census Pop.
1900 32,126
1910 31,693 −1.3%
1920 29,601 −6.6%
1930 25,471 −14.0%
1940 26,290 3.2%
1950 24,434 −7.1%
1960 23,404 −4.2%
1970 22,589 −3.5%
1980 23,923 5.9%
1990 22,261 −6.9%
2000 22,893 2.8%
IL Counties 1900-1990

As of the census² of 2000, there were 22,893 people, 9,056 households, and 6,502 families residing in the county. The population density was 12/km² (30/sq mi). There were 10,060 housing units at an average density of 5/km² (13/sq mi). The racial makeup of the county was 98.94% White, 0.15% Black or African American, 0.14% Native American, 0.21% Asian American, 0.14% from other races, and 0.41% from two or more races. 0.48% of the population were Hispanic or Latino of any race.

There were 9,056 households out of which 31.00% had children under the age of 18 living with them, 61.20% were married couples living together, 7.10% had a female householder with no husband present, and 28.20% were non-families. 25.40% of all households were made up of individuals and 13.30% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 2.99.

In the county the population was spread out with 25.00% under the age of 18, 7.60% from 18 to 24, 26.20% from 25 to 44, 23.40% from 45 to 64, and 17.80% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 97.50 males. For every 100 females age 18 and over, there were 94.70 males.

The median income for a household in the county was $37,313, and the median income for a family was $44,372. Males had a median income of $31,904 versus $21,075 for females. The per capita income for the county was $17,313. About 6.50% of families and 9.10% of the population were below the poverty line, including 11.90% of those under age 18 and 9.80% of those age 65 or over.

Cities and towns[]

Census designated places[]

Coordinates: 39°23′N 88°49′W / 39.39, -88.81

This page uses content from the English language Wikipedia. The original content was at Shelby County, Illinois. 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.