Union County, Illinois
|Union County, Illinois|
Union County Courthouse in Jonesboro
Location in the state of Illinois
Illinois's location in the U.S.
|Founded||January 2, 1818|
|• Total||422 sq mi (1,093 km2)|
|• Land||413 sq mi (1,070 km2)|
|• Water||8.7 sq mi (23 km2), 2.1%|
|• Density||43/sq mi (17/km²)|
|Time zone||Central: UTC-6/-5|
Union County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 17,808. Its county seat is Jonesboro. It is located in the southern portion of Illinois known locally as "Little Egypt".
Union County was formed out of Johnson County on January 2, 1818, the same year Illinois joined the Union. It was named for a joint revival meeting of the Baptists and Dunkards, called a "union meeting". The county seal depicts the leaders of these two groups shaking hands.
For its first year of existence, Union County included an area of unorganized territory temporarily attached to it.
Climate and weather
|Climate chart (explanation)|
In recent years, average temperatures in the county seat of Jonesboro have ranged from a low of 22 °F (−6 °C) in January to a high of 90 °F (32 °C) in July, although a record low of −20 °F (−29 °C) was recorded in January 1918 and a record high of 112 °F (44 °C) was recorded in July 1901. Average monthly precipitation ranged from 3.13 inches (80 mm) in September to 5.22 inches (133 mm) in May.
- Jackson County (north)
- Williamson County (northeast)
- Johnson County (east)
- Pulaski County (southeast)
- Alexander County (south)
- Cape Girardeau County, Missouri (west)
- Perry County, Missouri (northwest)
National protected areas
- Crab Orchard National Wildlife Refuge (part)
- Cypress Creek National Wildlife Refuge (part)
- Shawnee National Forest (part)
|U.S. Decennial Census
Whereas according to the 2010 U.S. Census Bureau:
- 94.8% White
- 0.9% Black
- 0.5% Native American
- 0.3% Asian
- 0.0% Native Hawaiian or Pacific Islander
- 1.5% Two or more races
- 2.0% Other races
- 4.8% Hispanic or Latino (of any race)
As of the 2010 United States Census, there were 17,808 people, 7,167 households, and 4,837 families residing in the county. The population density was 43.1 inhabitants per square mile (16.6/km2). There were 7,924 housing units at an average density of 19.2 per square mile (7.4/km2). The racial makeup of the county was 94.8% white, 0.9% black or African American, 0.5% American Indian, 0.3% Asian, 2.0% from other races, and 1.5% from two or more races. Those of Hispanic or Latino origin made up 4.8% of the population. In terms of ancestry, 23.0% were German, 12.6% were Irish, 9.4% were English, and 8.1% were American.
Of the 7,167 households, 29.7% had children under the age of 18 living with them, 52.6% were married couples living together, 10.6% had a female householder with no husband present, 32.5% were non-families, and 28.4% of all households were made up of individuals. The average household size was 2.41 and the average family size was 2.92. The median age was 42.9 years.
The median income for a household in the county was $39,760 and the median income for a family was $48,465. Males had a median income of $36,831 versus $31,272 for females. The per capita income for the county was $19,512. About 12.7% of families and 21.1% of the population were below the poverty line, including 22.5% of those under age 18 and 16.7% of those age 65 or over.
- "State & County QuickFacts". United States Census Bureau. Retrieved July 9, 2014.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- Perrin 1883, p. 285.
- Callary, Edward (2009). Place Names of Illinois. Urbana and Chicago, Illinois: University of Illinois Press. p. 354.
- White, Jesse. Origin and Evolution of Illinois Counties. State of Illinois, March 2010. 
- "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Retrieved 2015-07-12.
- "Monthly Averages for Jonesboro, Illinois". The Weather Channel. Retrieved 2011-01-27.
- "U.S. Decennial Census". United States Census Bureau. Retrieved July 9, 2014.
- "Historical Census Browser". University of Virginia Library. Retrieved July 9, 2014.
- "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 9, 2014.
- "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 9, 2014.
- "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Retrieved 2015-07-12.
- "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.
- "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.
- Perrin, William Henry, ed. (1883). History of Alexander, Union and Pulaski Counties, Illinois. Chicago, Ill: O.L. Baskin & Co. OCLC 8695008.
- U.S. Geological Survey Geographic Names Information System: Union County, Illinois
- Union County Official Website
- Union County State's Attorney
- Union County Treasurer
- Union County Chamber of Commerce
||Perry County, Missouri||Jackson County||Williamson County|
|Cape Girardeau County, Missouri||Johnson County|
|Alexander County||Pulaski County|