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Henderson County, Illinois
Map of Illinois highlighting Henderson County
Location in the state of Illinois
Map of the U.S. highlighting Illinois
Illinois's location in the U.S.
Founded 1841
Seat Oquawka
Largest city Oquawka
 - Total
 - Land
 - Water

395 sq mi (1,023 km²)
379 sq mi (981 km²)
16 sq mi (42 km²), 4.13%
 - (2000)
 - Density

22/sq mi (8/km²)
Time zone Central: UTC-6/-5

Henderson County is a county located in the U.S. state of Illinois. As of 2000, the population is 8,213. Its county seat is Oquawka6.

Geography[edit | edit source]

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

Adjacent Counties[edit | edit source]

History[edit | edit source]

Henderson County was formed in 1841 out of Warren County. It was named for Henderson County, which was named for Richard Henderson, founder of the Transylvania Company, an early attempt to organize what later became Kentucky around 1775.

Demographics[edit | edit source]

2000 census age pyramid for Henderson County.

Historical populations
Census Pop.
1900 10,836
1910 9,724 −10.3%
1920 9,770 0.5%
1930 8,778 −10.2%
1940 8,949 1.9%
1950 8,416 −6.0%
1960 8,237 −2.1%
1970 8,451 2.6%
1980 9,114 7.8%
1990 8,096 −11.2%
2000 8,213 1.4%
IL Counties 1900-1990

As of the census2 of 2000, there were 8,213 people, 3,365 households, and 2,375 families residing in the county. The population density 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% White, 0.26% Black or African American, 0.11% Native American, 0.10% Asian, 0.04% Pacific Islander, 0.18% from other races, and 0.82% from two or more races. 0.88% of the population were Hispanic or Latino 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 married couples 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 per capita income for the county was $17,456. About 6.10% of families and 9.50% of the population were below the poverty line, including 12.80% of those under age 18 and 9.80% of those age 65 or over.

Cities and towns[edit | edit source]

Census designated places[edit | edit source]

External links[edit | edit source]

Coordinates: 40°49′N 90°56′W / 40.81, -90.93

This page uses content from the English language Wikipedia. The original content was at Henderson 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.
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