Cass County, Illinois
Demographics

Cass County, Illinois

Section Title: Demographics
Table Section Text: None

Historical population

Census	Pop.	%±

1840	2,981	—

1850	7,253	143.3%

1860	11,325	56.1%

1870	11,580	2.3%

1880	14,493	25.2%

1890	15,963	10.1%

1900	17,222	7.9%

1910	17,372	0.9%

1920	17,896	3.0%

1930	16,537	−7.6%

1940	16,425	−0.7%

1950	15,097	−8.1%

1960	14,539	−3.7%

1970	14,219	−2.2%

1980	15,084	6.1%

1990	13,437	−10.9%

2000	13,695	1.9%

2010	13,642	−0.4%

Est. 2016	12,676	−7.1%

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

Sentence(s)

As of the 2010 United States Census, there were 13,642 people residing in the Cass County, Illinois.

final_sentence: As of the 2010 United States Census, there were 13,642 people residing in the Cass County, Illinois.