Knox County, Illinois

Knox County is a located in the  of. As of 2000, the population was 55,836. Its is.

Geography
According to the, the county has a total area of 1,864 (720 ). 1,855 km² (716 sq mi) of it is land and 9 km² (3 sq mi) of it (0.48%) is water.

Adjacent Counties

 * - north
 * - east
 * - southeast
 * - south
 * - west
 * - northwest

History
Knox County was named in honor of, the first.

The first "Knox County" in Illinois is unrelated to the modern incarnation. In, the land that was to become Illinois was divided into two counties: and Knox. The latter included land in what was to become. When was formed from this portion of the county in 1809, the Illinois portions were subdivided into counties that were given other names.

The modern Knox County, Illinois, was organized in, from , itself a portion of the original St. Clair County.

Demographics
As of the of 2000, there were 55,836 people, 22,056 households, and 14,424 families residing in the county. The was 30/km² (78/sq mi). There were 23,717 housing units at an average density of 13/km² (33/sq mi). The racial makeup of the county was 89.86%, 6.29% or , 0.19% , 0.69% , 0.01% , 1.57% from , and 1.39% from two or more races. 3.40% of the population were or  of any race.

There were 22,056 households out of which 27.70% had children under the age of 18 living with them, 51.40% were living together, 10.60% had a female householder with no husband present, and 34.60% were non-families. 29.60% of all households were made up of individuals and 14.10% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.87.

In the county the population was spread out with 22.00% under the age of 18, 9.80% from 18 to 24, 26.50% from 25 to 44, 24.10% from 45 to 64, and 17.50% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 99.20 males. For every 100 females age 18 and over, there were 96.60 males.

The median income for a household in the county was $35,407, and the median income for a family was $44,010. Males had a median income of $32,151 versus $21,662 for females. The for the county was $17,985. About 7.70% of families and 11.10% of the population were below the, including 16.80% of those under age 18 and 6.00% of those age 65 or over.

Census designated places



 * "Foxie's Knox Co., IL AHGP"