Illinois Census Indexes

1810-Randolph county only.
1820
1830
1840
1850
1860
1870-Partially indexed.
1880-Chicago only.
1880-Soundex
1890-Census destroyed by fire.
1890-Civil War Veterans Census destroyed by fire.
1900-Soundex
1910-Soundex
1920-Soundex

Illinois became a territory in 1809 and a state in 1850.
Note: Indexes exist for all years in white.
Want to see a map of the U.S. during a census year?

1790  1800  1810  1820  1830  1840  1850  1860  1870  1880  1890  1900  1910  1920