Union County, Illinois

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Template:Infobox U.S. county

Union County is a county located in the U.S. state of Illinois. According to the 2020 United States census, it had a population of 17,244.[1] Its county seat is Jonesboro.[2] It is located in the southern portion of Illinois known locally as "Little Egypt".

History

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Union County was formed out of Johnson County, nearly a year before the Illinois Territory gained statehood.[3] 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.[4]

Geography

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According to the US Census Bureau, the county has a total area of 422 square miles (1,090 km2), of which 413 square miles (1,070 km2) is land and 8.7 square miles (23 km2) (2.1%) is water.[6]

Climate and weather

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Template:Climate chart 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.[7]

Major highways

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Adjacent counties

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Protected areas

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Demographics

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Template:US Census population

2020 census

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As of the 2020 census, the county had a population of 17,244. The median age was 44.9 years. 20.4% of residents were under the age of 18 and 22.3% of residents were 65 years of age or older. For every 100 females there were 101.0 males, and for every 100 females age 18 and over there were 100.7 males age 18 and over.[11][12]

The racial makeup of the county was 90.0% White, 1.3% Black or African American, 0.5% American Indian and Alaska Native, 0.4% Asian, 0.1% Native Hawaiian and Pacific Islander, 1.7% from some other race, and 6.1% from two or more races. Hispanic or Latino residents of any race comprised 5.0% of the population.[12]

35.2% of residents lived in urban areas, while 64.8% lived in rural areas.[13]

There were 6,983 households in the county, of which 27.4% had children under the age of 18 living in them. Of all households, 47.7% were married-couple households, 18.0% were households with a male householder and no spouse or partner present, and 27.5% were households with a female householder and no spouse or partner present. About 30.8% of all households were made up of individuals and 15.6% had someone living alone who was 65 years of age or older.[11]

There were 7,841 housing units, of which 10.9% were vacant. Among occupied housing units, 74.7% were owner-occupied and 25.3% were renter-occupied. The homeowner vacancy rate was 2.2% and the rental vacancy rate was 11.3%.[11]

Racial and ethnic composition

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Union County, Illinois – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Race / Ethnicity (NH = Non-Hispanic) Pop 1980[14] Pop 1990[15] Pop 2000[16] Pop 2010[17] Pop 2020[18] % 1980 % 1990 % 2000 % 2010 % 2020
White alone (NH) 17,563 17,243 17,407 16,454 15,331 98.86% 97.87% 95.16% 92.40% 88.91%
Black or African American alone (NH) 68 122 149 151 226 0.38% 0.69% 0.81% 0.85% 1.31%
Native American or Alaska Native alone (NH) 19 22 62 59 46 0.11% 0.12% 0.34% 0.33% 0.27%
Asian alone (NH) 16 50 48 52 67 0.09% 0.28% 0.26% 0.29% 0.39%
Native Hawaiian or Pacific Islander alone (NH) x [19] x [20] 2 5 11 x x 0.01% 0.03% 0.06%
Other race alone (NH) 8 0 6 8 28 0.05% 0.00% 0.03% 0.04% 0.16%
Mixed race or Multiracial (NH) x [21] x [22] 138 216 668 x x 0.75% 1.21% 3.87%
Hispanic or Latino (any race) 91 182 481 863 867 0.51% 1.03% 2.63% 4.85% 5.03%
Total 17,765 17,619 18,293 17,808 17,244 100.00% 100.00% 100.00% 100.00% 100.00%

2010 census

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As of the 2010 United States census, there were 17,808 people, 7,167 households, and 4,837 families residing in the county.[23] 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).[6] 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.[23] In terms of ancestry, 23.0% were German, 12.6% were Irish, 9.4% were English, and 8.1% were American.[24]

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.[23]

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.[25]

Communities

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Cities

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Villages

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Unincorporated communities

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Politics

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Like much of Southern Illinois, Union County has shifted toward the Republican Party over the past couple decades,[26] with the Republican candidate for president winning the county since 2000.

United States presidential election results for Union County, Illinois[27]
Year Republican Democratic Third party
No.  % No.  % No.  %
1892 1,427 33.96% 2,663 63.37% 112 2.67%
1896 1,842 37.65% 2,998 61.28% 52 1.06%
1900 1,695 36.49% 2,900 62.43% 50 1.08%
1904 1,537 39.54% 1,967 50.60% 383 9.85%
1908 1,695 37.43% 2,690 59.40% 144 3.18%
1912 458 10.44% 2,648 60.36% 1,281 29.20%
1916 3,135 37.11% 5,171 61.22% 141 1.67%
1920 3,119 45.55% 3,660 53.45% 68 0.99%
1924 2,579 39.16% 3,783 57.44% 224 3.40%
1928 3,352 44.52% 4,149 55.10% 29 0.39%
1932 2,859 31.47% 6,157 67.77% 69 0.76%
1936 4,165 39.81% 6,260 59.84% 36 0.34%
1940 4,915 45.51% 5,804 53.74% 81 0.75%
1944 4,114 48.25% 4,367 51.21% 46 0.54%
1948 3,864 46.01% 4,479 53.33% 55 0.65%
1952 4,658 51.97% 4,296 47.93% 9 0.10%
1956 4,204 49.06% 4,359 50.87% 6 0.07%
1960 4,432 50.58% 4,321 49.31% 10 0.11%
1964 3,142 37.63% 5,208 62.37% 0 0.00%
1968 3,889 46.45% 3,603 43.04% 880 10.51%
1972 5,034 59.36% 3,428 40.42% 18 0.21%
1976 3,531 41.16% 5,003 58.32% 44 0.51%
1980 4,289 50.81% 3,781 44.79% 371 4.40%
1984 4,721 55.13% 3,815 44.55% 28 0.33%
1988 4,244 50.05% 4,197 49.50% 38 0.45%
1992 3,003 33.06% 4,681 51.54% 1,399 15.40%
1996 3,147 38.00% 4,252 51.34% 883 10.66%
2000 4,397 50.77% 3,982 45.98% 281 3.24%
2004 5,333 58.48% 3,735 40.96% 51 0.56%
2008 5,003 54.65% 3,918 42.80% 233 2.55%
2012 4,957 59.59% 3,137 37.71% 224 2.69%
2016 5,790 67.20% 2,402 27.88% 424 4.92%
2020 6,161 69.19% 2,579 28.96% 164 1.84%
2024 5,837 70.60% 2,285 27.64% 146 1.77%
2016 1 33.33% 1 33.33% 1 33.33%


Education

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School districts include:[28]

K-12:

Secondary:

Elementary:

See also

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References

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  1. ↑ "State & County QuickFacts". US Census Bureau.
  2. ↑ "Find a County". National Association of Counties. Archived from the original on May 3, 2015. Retrieved June 7, 2011.
  3. ↑ Perrin 1883, p. 285.
  4. ↑ Callary, Edward (2009). Place Names of Illinois. Urbana and Chicago, Illinois: University of Illinois Press. p. 354.
  5. ↑ White, Jesse (March 2010). "Origin and Evolution of Illinois Counties" (PDF). State of Illinois. Archived (PDF) from the original on October 12, 2012. Retrieved September 26, 2012.
  6. ↑ 6.0 6.1 "Population, Housing Units, Area, and Density: 2010 - County". US Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
  7. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named WX
  8. ↑ Brown Barrens Nature Preserve, Union County IL Google Maps (accessed 29 December 2018)
  9. ↑ Lincoln Memorial Picnic Grounds, Union County IL Google Maps (accessed 29 December 2018)
  10. ↑ McClure Shale Glade Nature Preserve, Union County IL Google Maps (accessed 29 December 2018)
  11. ↑ 11.0 11.1 11.2 "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. 2021. Retrieved December 25, 2025.
  12. ↑ 12.0 12.1 "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved December 25, 2025.
  13. ↑ "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. 2023. Retrieved December 25, 2025.
  14. ↑ "1980 Census of Population - General Population Characteristics - Illinois- Table 14 - Persons by Race and Table 16 (p. 18-28) - Total Persons and Spanish Origin Persons by Type of Spanish Origin and Race (p. 29-39)" (PDF). United States Census Bureau.
  15. ↑ "1990 Census of Population - General Population Characteristics - Illinois - Table 6 - Race and Hispanic Orogin" (PDF). United States Census Bureau.
  16. ↑ "P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Union County, Illinois". United States Census Bureau.
  17. ↑ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Union County, Illinois". United States Census Bureau.
  18. ↑ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Union County, Illinois". United States Census Bureau.
  19. ↑ included in the Asian category in the 1980 Census
  20. ↑ included in the Asian category in the 1990 Census
  21. ↑ not an option in the 1980 Census
  22. ↑ not an option in the 1990 Census
  23. ↑ 23.0 23.1 23.2 "Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". US Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
  24. ↑ "Selected Social Characteristics in the United States – 2006-2010 American Community Survey 5-Year Estimates". US Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
  25. ↑ "Selected Economic Characteristics – 2006-2010 American Community Survey 5-Year Estimates". US Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
  26. ↑ Service, CHUCK RAASCH Herald & Review News. "Political scale tips toward GOP in southern Illinois, northeast Missouri". Herald-Review.com. Retrieved January 19, 2021.
  27. ↑ Leip, David. "Atlas of US Presidential Elections". uselectionatlas.org. Archived from the original on March 23, 2018. Retrieved May 1, 2018.
  28. ↑ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Union County, IL" (PDF). U.S. Census Bureau. Retrieved July 22, 2022. - Text list

Bibliography

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Template:Geographic Location Template:Union County, Illinois Template:Illinois Template:Southern-Illinois

Coordinates: 37°28′16″N 89°15′18″W / 37.47111°N 89.25500°W / 37.47111; -89.25500

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