Union County , Illinois

Union County: County in Illinois, United States

Union County locator map
Location of Union County on Illinois map.

About

Union County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 17,808 and a population density of 16 people per km². After 10 years in 2020 county had an estimated population of 2,020 inhabitants. Its county seat is Jonesboro. The county was created 203 years ago in 1818.

Map of Illinois highlighting Union County locator map image
Map of Illinois highlighting Union County
Map of Illinois highlighting Union County locator map image

Geography

Union County is located at 37°28'16"N 89°15'18"W (37.4712300, -89.2550900). It has 7 neighbors: Alexander County, Jackson County, Johnson County, Pulaski County, Williamson County, Cape Girardeau County and Perry County.

Union County map

The largest city of Union County is Anna with a population of 4,059. Other cities include, Jonesboro population 1,677, Dongola population 672, Alto Pass population 360 and Mill Creek population 64. See all Union County cities & populated places.

Weather

Union County forecast: A slight chance of showers and thunderstorms between 7am and 10am, then showers and thunderstorms. Mostly cloudy. High near 81, with temperatures falling to around 79 in the afternoon. East southeast wind 2 to 7 mph. Chance of precipitation is 80%. more

Union County Quick Facts

Population : 16,498 (2020)
Country : United States of America
State : Illinois (United States)
Different from : Union County, Union Parish, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County
Twitter username : unioncountyil
Area : 1093 km2
Water as percent of area : 2.1%
Land as percent of area : 97.9%
Named for : United States of America
Capital : Jonesboro
Establishment : January 01, 1818
Time Zone : America/Chicago
Local time : 18:10:20 (19th September 2021)
Density : 15 Pop. per km² as of 2020
Population growth : -7.94% (2010-2020)
Weather : 81℉ Slight Chance Showers And Thunderstorms then Showers And Thunderstorms 7-days weather

Union County has 7 neighbours.

  • Jonesboro

Demographics

According to census records, the population of Union County decreased by 7.94% in 10 years.

Year Population % Change Method
2010 17,808 - census
2011 17,692 -0.66% estimation process
2012 17,608 -0.48% estimation process
2013 17,539 -0.39% estimation process
2014 17,402 -0.79% estimation process
2015 17,284 -0.68% estimation process
2016 17,105 -1.05% estimation process
2017 16,968 -0.81% estimation process
2018 16,832 -0.81% estimation process
2019 16,653 -1.07% estimation process
2020 16,498 -0.94% estimation process

Comitatul Union, Comte d'Union, Comte dUnion, Comté d'Union, Comté dUnion, Condado de Union, Condado han Union, Contea di Union, Hrabstwo Union, Junion, Juniun, Okrug Junion, Quan Union, Quận Union, Union, Union Comitatus, Union Kun, Union Kūn, Union konderria, Union megye, Yunion srjan, i'uniyana ka'unti, mqatʿt ywnywn, shhrstan ywnywn aylynwy, you ni ang xian, yunion jun, Округ Јунион, Юнион, Юниън, Юніон, Յունիոն շրջան, شهرستان یونیون، ایلینوی, مقاطعة يونيون, یونین کاؤنٹی، الینوائے, یونین کاؤنٹی، الینوۓ, ইউনিয়ন কাউন্টি, ユニオン郡, 猶尼昂縣

People born in Union County (1)

American football player Walt Houston was born in Union County

Other places with the same name (17)

Union County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Union County.

City Name Population Title
Anna 4,059 City in Union County, Illinois, United States
Jonesboro 1,677 City in Union County, Illinois, United States
Saratoga 1,234 Township in Marshall County, Illinois
Cobden 1,053 Village in Union County, Illinois, United States
Mount Pleasant 775 Township of Illinois
Dongola 672 Human settlement in Illinois, United States of America
Alto Pass 360 Human settlement in Illinois, United States of America
Mill Creek 64 Human settlement in Illinois, United States of America

Illinois Other Counties (more counties)

County Name Population Title
Cook County 5,108,284 County in Illinois, United States
Chicago 2,677,643 City and county seat of Cook County, Illinois, United States
DuPage County 917,481 County in Illinois, United States
Lake County 693,593 County in Oregon, United States
Will County 688,726 County in Illinois, United States
Kane County 531,010 County in southern Utah, United States
Markham 328,966 City in Cook County, Illinois, United States
McHenry County 305,888 County in Illinois, United States
Winnebago County 281,295 County in Illinois, United States
Madison County 262,635 County in Montana, United States
Saint Clair County 258,046 The County of St.
Champaign County 209,192 County in Illinois, United States
Aurora 196,383 City in Kane County, Illinois, United States
Sangamon County 193,882 County in Illinois, United States
Peoria County 177,652 County in Illinois, United States of America
McLean County 171,256 County in North Dakota, United States