Hamilton County, Illinois

Hamilton County is a located in the  of. As of, the population is 8,621. Its is.

Geography
According to the, the county has a total area of 1,129 (436 ). 1,127 km² (435 sq mi) of it is land and 2 km² (1 sq mi) of it (0.15%) is water.

Adjacent Counties

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

History
Hamilton County was formed out of in 1821. It is named for, hero and the first.

Demographics
As of the of 2000, there were 8,621 people, 3,462 households, and 2,437 families residing in the county. The was 8/km² (20/sq mi). There were 3,983 housing units at an average density of 4/km² (9/sq mi). The racial makeup of the county was 98.25%, 0.67% or , 0.26% , 0.13% , 0.01% , 0.14% from , and 0.55% from two or more races. 0.64% of the population were or  of any race.

There were 3,462 households out of which 30.00% had children under the age of 18 living with them, 59.00% were living together, 7.90% had a female householder with no husband present, and 29.60% were non-families. 27.30% of all households were made up of individuals and 15.80% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 2.95.

In the county the population was spread out with 24.00% under the age of 18, 7.90% from 18 to 24, 24.70% from 25 to 44, 24.20% from 45 to 64, and 19.20% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 93.30 males. For every 100 females age 18 and over, there were 91.00 males.

The median income for a household in the county was $30,496, and the median income for a family was $37,651. Males had a median income of $31,864 versus $17,977 for females. The for the county was $16,262. About 8.50% of families and 12.90% of the population were below the, including 19.90% of those under age 18 and 9.40% of those age 65 or over.