Henderson County, Illinois

Henderson County is a located in the  of. As of, the population is 8,213. Its is.

Geography
According to the, the county has a total area of 1,023 (395 ). 981 km² (379 sq mi) of it is land and 42 km² (16 sq mi) of it (4.13%) is water.

Adjacent Counties

 * - north
 * - east
 * - southeast
 * - southwest
 * - southwest
 * - west

History
Henderson County was formed in out of. It was named for, which was named for , founder of the , an early attempt to organize what later became around.

Demographics
As of the of 2000, there were 8,213 people, 3,365 households, and 2,375 families residing in the county. The was 8/km² (22/sq mi). There were 4,126 housing units at an average density of 4/km² (11/sq mi). The racial makeup of the county was 98.50%, 0.26% or , 0.11% , 0.10% , 0.04% , 0.18% from , and 0.82% from two or more races. 0.88% of the population were or  of any race.

There were 3,365 households out of which 28.60% had children under the age of 18 living with them, 59.60% were living together, 7.10% had a female householder with no husband present, and 29.40% were non-families. 25.30% of all households were made up of individuals and 12.40% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.88.

In the county the population was spread out with 23.10% under the age of 18, 7.50% from 18 to 24, 26.20% from 25 to 44, 26.50% from 45 to 64, and 16.70% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 97.70 males. For every 100 females age 18 and over, there were 97.70 males.

The median income for a household in the county was $36,405, and the median income for a family was $42,400. Males had a median income of $31,239 versus $21,100 for females. The for the county was $17,456. About 6.10% of families and 9.50% of the population were below the, including 12.80% of those under age 18 and 9.80% of those age 65 or over.