CENSUS RECORDS
State of Illinois

Columns:   
1-County Name
2-Formation Date
3-Census at http://www.usgenweb.com/ at the Genweb County Sites
4-Census at http://www.us.census.org/
5-Census at http://www.census-online.com/ combination of most other sites
6-Census at http://www.rootsweb.com/~census/index.htm
7-Click on the county name to see the census indicated in column 7.
8-Reserved for future use

County

Formed

3

4

5

6

7

8

Adams 1825 1850   1850 1850, 80    
Alexander 1819       1850
Bond 1818 1850. 60   1850, 60 1850, 60    
Boone 1836       1870 1850  
Brown 1837 1850   1850 1850    
Bureau 1837         1850  
Calhoun 1825         1850  
Carroll 1839 1850, 60 1850, 60, 70 1850, 60, 70      
Cass 1837     1850      
Champaign 1833 1850 1850 1850 1850    
Christian 1839     1850      
Clark 1819   1850 1850      
Clay 1824         1850  
Clinton 1824     1850, 70 1870, 80    
Coles 1830     1850      
Cook 1831       1860    
Crawford 1816   1850 1850, 60 1850    
Cumberland 1843         1850  
DeKalb 1837            
DeWitt 1839     1850, 60 1860    
Douglas 1859     1880      
DuPage 1839         1850  
Edgar 1823         1850  
Edwards 1814            
Effingham 1831            
Fayett 1831            
Ford 1850            
Franklin 1818     1850, 60, 70      
Fulton 1823 1850 1970   1870    
Gallatin 1812   1850 1850 1850    
Greene 1821 1850, 60, 70   1850, 60 1850    
Grundy 1841 1850 1850 1850 1850    
Hamilton 1821   1850 1850 1850    
Hancock 1825     1850      
Hardin 1839         1850  
Henderson 1841     1860   1850  
Henry 1825            
Iroquois 1833         1850  
Jackson 1816 1860, 70   1850, 60, 70      
Jasper 1850     1850      
Jefferson 1819 1850, 60, 70          
Jersey 1839            
Jo Daviess 1827       1860    
Johnson 1812         1850  
Kane 1836 1850          
Kankakee 1853            
Kendall 1841     1850      
Knox 1825            
Lake 1839            
LaSalle 1831   1850 1850 1850    
Lawrence 1821 1850, 60 1850, 60 1850, 60      
Lee 1839            
Livingston 1837            
Logan 1839 1850   1850 1860    
Macon 1829 1850          
Macoupin 1829 1850, 60   1850, 60      
Madison 1812            
Marion 1823            
Marshall 1839            
Mason 1841            
Massac 1843   1850 1850, 60      
McDonough 1829 1850 1850 1850 1850, 80    
McHenry 1836     1850      
McLean 1830            
Menard 1829     1850, 60  

1850

 
Mercer 1825            
Monroe 1816            
Montgomery 1821   1850, 60, 70 1850, 70      
Morgan 1833 1850, 60 1850
Moultrie 1823 1870   1850, 60      
Ogle 1836 1850, 60, 70   1850 1850, 60    
Peoria 1825 1850, 60, 70 1850, 60, 1850, 60, 70 1850, 60, 70    
Perry 1827   1850, 60 1850, 60 1850, 60, 70    
Piatt 1841            
Pike 1821       1870    
Pope 1816       1850    
Pulaski 1843     1850, 60, 70      
Putnam 1825     1850      
Randolph 1795     1850      
Richland 1841            
Rock Island 1831         1850  
Saline 1847 1850 1850 1850 1850    
Sangamon 1821 1850 1850 1850 1850    
Schuyler 1825 1850, 60, 70 1850 1850, 70 1850    
Scott 1839   1850 1850, 60, 70 1850    
Shelby 1827   1860,80 1860 1860, 80    
Stark 1839 1850 1850 1850 1850    
St. Clair 1790   1850 1860      
Stephenson 1837         1850  
Tazewell 1827       1850    
Union 1818   1850 1850      
Vermillion 1826 1850, 60, 70 1850,60, 70 1850, 60, 70 1850    
Wabash 1824       1860    
Warren 1825     1870      
Washington 1818 1850, 70 1850, 70 1850, 70 1850    
Wayne 1819 1850 1850 1850 1850    
White 1815       1850    
Whiteside 1826   1850 1850      
Will 1836 1850 1850 1850      
Williamson 1839   1850 1850      
Winnebago 1836         1850  
Woodford 1841         1850  

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Alexander Co., IL 1850 Census

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Boone Co., IL 1850 Census

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Bureau Co., IL 1850 Census

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Calhoun Co. IL 1850 Census

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Clay Co. IL 1850 Census

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Cumberland Co., IL 1850 Census:

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DuPage Co., IL 1850 Census:

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Edgar Co., IL 1850 Census:

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Hardin Co., IL 1850 Census:

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Henderson Co., IL 1850 Census

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Iroquois Co., IL 1850 Census

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Johnson Co., IL 1850 Census

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Menard Co., IL 1850 Census

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Rock Island Co., 1850 Census

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Stephenson Co., IL 1850 Census

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Winnebago Co., IL 1850 Census

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Woodford Co., IL 1850 Census

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