Henderson County, Illinois facts for kids

Quick facts for kids Henderson County
U.S. county
Henderson County Courthouse, Oquawka
Location within the U.S. state of Illinois
Illinois's location within the U.S.
Country	United States
State	Illinois
Founded	1841
Named for	Richard Henderson
Seat	Oquawka
Largest village	Oquawka
Area
• Total	395 sq mi (1,020 km2)
• Land	379 sq mi (980 km2)
• Water	16 sq mi (40 km2)  4.1%
Population  (2020)
• Total	6,387
• Density	16.170/sq mi (6.243/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	15th

Henderson County is a county located in the U.S. state of Illinois. According to the 2020 United States Census, it has a population of 6,387. Its county seat is Oquawka.

Henderson County is part of the Burlington, IA–IL Micropolitan Statistical Area.

History

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

• 

  Henderson County at the time of its creation in 1841

Geography

According to the US Census Bureau, the county has a total area of 395 square miles (1,020 km²), of which 379 square miles (980 km²) is land and 16 square miles (41 km²) (4.1%) is water.

Climate and weather

In recent years, average temperatures in the county seat of Oquawka have ranged from a low of 15 °F (−9 °C) in January to a high of 85 °F (29 °C) in July, although a record low of −26 °F (−32 °C) was recorded in February 1996 and a record high of 105 °F (41 °C) was recorded in August 1983. Average monthly precipitation ranged from 1.31 inches (33 mm) in January to 4.48 inches (114 mm) in July.

Major highways

Adjacent counties

Demographics

2000 census age pyramid for Henderson County

As of the 2010 United States Census, there were 7,331 people, 3,149 households, and 2,127 families residing in the county. The population density was 19.3 inhabitants per square mile (7.5/km²). There were 3,827 housing units at an average density of 10.1 per square mile (3.9/km²). The racial makeup of the county was 98.2% white, 0.2% Asian, 0.2% American Indian, 0.2% black or African American, 0.1% Pacific islander, 0.2% from other races, and 1.0% from two or more races. Those of Hispanic or Latino origin made up 1.1% of the population. In terms of ancestry, 24.4% were German, 14.5% were Irish, 11.9% were English, 5.9% were Swedish, and 5.0% were American.

Of the 3,149 households, 26.9% had children under the age of 18 living with them, 54.9% were married couples living together, 8.7% had a female householder with no husband present, 32.5% were non-families, and 27.3% of all households were made up of individuals. The average household size was 2.31 and the average family size was 2.78. The median age was 47.2 years.

The median income for a household in the county was $43,450 and the median income for a family was $55,154. Males had a median income of $41,052 versus $27,426 for females. The per capita income for the county was $22,492. About 7.8% of families and 11.4% of the population were below the poverty line, including 13.3% of those under age 18 and 8.3% of those age 65 or over.

Communities

City

• Dallas City (partly in Hancock County)

Villages

Unincorporated communities

Townships

Henderson County is divided into eleven townships:

State and Federal facilities

• Big River State Forest - 2,900 acre preserve adjacent to the Mississippi River (1925)
• Delabar State Park - 89 acre preserve adjacent to the Mississippi River (1960)
• Oquawka State Wildlife Refuge

See also

In Spanish: Condado de Henderson (Illinois) para niños