Johnson Co., IL Books Cemeteries Census
Created: Sep 14, 1812 Maps Official Records Photos Population
Johnson Co., IL
Johnson Co., IL was created by Illinois Territory from Randolph Co.
You might consider searching in the Territory or that County for earlier records.
Population
The following table details the population of the County from the first census available up through 1940.
Information is shown for 1890, but that census was mostly lost due to a fire and mishandling in the 1920's and 1930's.
Don't forget to check on the main Illinois page for links to free online versions of the census
1790 - 1800 - 1810 - 1820 843 1830 1,596 1840 3,626 1850 4,114 1860 9,342
1870 11,248 1880 13,078 1890 15,013 1900 15,667 1910 14,331 1920 12,022 1930 10,203 1940 10,727
Historical Census Browser. The University of Virginia, Geospatial and Statistical Data Center: http://mapserver.lib.virginia.edu

Helpful Links
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Books
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Cemeteries
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Census Records
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Maps
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Official Records
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Johnson Co., IL Government Offices Contacts
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Birth, Death, Marriage and Estate Records
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Real Estate Transaction Records
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Photos
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email Updated 9/14/2015
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