DeKalb Co., IL Books Cemeteries Census
Created: May 1, 1837 Maps Official Records Photos Population
DeKalb Co., IL
DeKalb Co., IL was created from Kane Co.
You might consider searching in that County for earlier records.
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 - 1830 - 1840 1,697 1850 7,540 1860 19,086
1870 23,265 1880 26,768 1890 27,066 1900 31,756 1910 33,457 1920 31,339 1930 32,644 1940 34,388
Historical Census Browser. The University of Virginia, Geospatial and Statistical Data Center:

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Census Records


Official Records
DeKalb Co., IL Government Offices Contacts
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Birth, Death, Marriage and Estate Records
Real Estate Transaction Records

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