Union County, Illinois
Demographics

Union County, Illinois

Section Title: Demographics
Table Section Text: None

Historical population

Census	Pop.	%±

1820	2,362	—

1830	3,239	37.1%

1840	5,524	70.5%

1850	7,615	37.9%

1860	11,181	46.8%

1870	16,518	47.7%

1880	18,102	9.6%

1890	21,549	19.0%

1900	22,610	4.9%

1910	21,856	−3.3%

1920	20,249	−7.4%

1930	19,883	−1.8%

1940	21,528	8.3%

1950	20,500	−4.8%

1960	17,645	−13.9%

1970	16,071	−8.9%

1980	17,765	10.5%

1990	17,619	−0.8%

2000	18,293	3.8%

2010	17,808	−2.7%

Est. 2017	17,000	−4.5%

US Decennial Census 1790-1960 1900-1990 1990-2000 2010-2013

Sentence(s)

As of the 2010 United States Census, there were 17,808 people, residing in the Union County.

final_sentence: As of the 2010 United States Census, there were 17,808 people, residing in the Union County.