Clark County, Illinois

Clark County is a located in the  of. As of, the population is 17,008. The estimates the population to decrease by 0.6% from April 1,  to July 1,, to 16,906. Its is.

Geography
According to the, the county has a total area of 1,308 (505 ). 1,299 km² (502 sq mi) of it is land and 9 km² (3 sq mi) of it (0.67%) is water.

Adjacent Counties

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 * - northeast
 * - southeast
 * - south
 * - southwest
 * - west
 * - northwest

History
Clark County was formed in out of. At the time of its formation, Clark County included about a third of Illinois. It acquired its present boundaries in as new counties were formed out of it.

Clark County was named for, an officer of the army of that captured the  from the British at the close of the.

Demographics
As of the of 2000, there were 17,008 people, 6,971 households, and 4,809 families residing in the county. The was 13/km² (34/sq mi). There were 7,816 housing units at an average density of 6/km² (16/sq mi). The racial makeup of the county was 98.78%, 0.20% or , 0.18% , 0.14% , 0.03% , 0.08% from , and 0.59% from two or more races. 0.32% of the population were or  of any race.

There were 6,971 households out of which 31.20% had children under the age of 18 living with them, 56.90% were living together, 8.70% had a female householder with no husband present, and 31.00% were non-families. 28.10% of all households were made up of individuals and 14.00% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.94.

In the county the population was spread out with 24.90% under the age of 18, 7.40% from 18 to 24, 26.60% from 25 to 44, 23.10% from 45 to 64, and 18.00% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 94.70 males. For every 100 females age 18 and over, there were 90.80 males.

The median income for a household in the county was $35,967, and the median income for a family was $43,213. Males had a median income of $32,035 versus $20,954 for females. The for the county was $17,655. About 6.40% of families and 9.20% of the population were below the, including 12.20% of those under age 18 and 7.50% of those age 65 or over.

Education
There are three school districts in Clark County (Marshall, Martinsville and Casey-Westfield) with a total enrollment (2004) of 3,014 students. Each district has one high school (grades 9-12) and one junior high school (grades 7-8). Marshall has two elementary schools and the other districts have one each.


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