Illinois Census Records

Last Updated on October 14, 2021 by Dennis

Illinois Census online research should begin with what is available online for free. If this proves fruitful then congratulations! If not, then I would suggest signing up for the online census images (links to the right) where you can access all the available online Illinois census information directly from your computer at home.

• Illinois 1850 Census Records
• Illinois 1860 Census Records
• Illinois 1870 Census Records
• Illinois 1880 – 1890 Census Records
• Illinois 1900 -1930 Census Records

1820 Illinois Census

• Bond County 1820 Federal Census hosted by USGenWeb Census Project
  • Index
  • Part 1
  • Part 2
  • Notes
• Clark County 1820 Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
  • Notes
• Crawford County 1820  Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
  • Notes
• Franklin County 1820 Federal Census hosted by USGenWeb Census Project
• Gallatin County 1820  Federal Census hosted by USGenWeb Census Project
  • Index
  • Part 1
  • Part 2
• Jackson County 1820 Federal Census hosted by USGenWeb Census Project
• Jefferson County 1820 Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
  • Notes
• Madison County 1820 Federal Census hosted by USGenWeb Census Project
  • Index A-K
  • Index L-Z
  • Part 1
  • Part 2
  • Part 3
  • Part 4
  • Part 5
  • Part 6
  • Part 7
  • Part 8
• Monroe County 1820 Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
  • Notes
• Pope County 1820 Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
  • Notes
• St. Clair County 1820 Federal Census hosted by USGenWeb Census Project
  • Index
  • Part 1
  • Part 2
• Union County 1820 Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
  • Notes
• Washington County Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
• Wayne County 1820 Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
  • Notes
• White County 1820 Federal Census hosted by USGenWeb Census Project
  • Index
  • Part 1
  • Part 2
  • Notes
• See Census Images Online for ALL Counties!

1825 Illinois State Census

• 1825 Illinois State Census – Montgomery County

1830 Illinois Census

• Clinton County 1830 Federal Census hosted by USGenWeb Census Project
  • Part 1
  • Part 2
• Gallatin County 1830 Federal Census hosted by USGenWeb Census Project
  • Index
  • Part 1
  • Part 2
  • Part 3
  • Notes
• Greene County 1830 Federal Census hosted by USGenWeb Census Project
  • Index
  • Part 1
  • Part 2
  • Part 3
  • Part 4
  • Part 5
  • Notes
• Hamilton County 1830 Federal Census hosted by USGenWeb Census Project
  • Index
  • Part 1
  • Part 2
• Jefferson County 1830 Federal Census hosted by USGenWeb Census Project
• Macoupin County 1830 Federal Census hosted by USGenWeb Census Project
• Peoria and Putnam Counties 1830 Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
  • Notes
•  Perry County 1830 Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
• Pike County 1830 Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
• Sangamon County 1830 Federal Census hosted by USGenWeb Census Project
  • Part 1
  • Part 2
  • Part 3
  • Part 4
  • Part 5
  • Part 6
  • Part 7
  • Notes
• Washington County 1830 Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
• See Census Images Online for ALL Counties!

1835 Illinois State Census

• Union County 1835 Census hosted by USGenWeb Census Project
  • Index
  • Part 1
  • Part 2

1840 Illinois Census

• Gallatin County 1840 Federal Census hosted by USGenWeb Census Project
  • Index
  • Part 1
  • Part 2
  • Part 3
  • Part 4
  • Part 5
  • Part 6
  • Part 7
  • Part 8
  • Part 9
  • Part 10
  • Part 11
• Greene County 1840 Federal Census hosted by USGenWeb Census Project
  • Index
  • Part 1
  • Part 2
  • Part 3
  • Part 4
  • Part 5
  • Part 6
  • Part 7
  • Part 8
  • Part 9
  • Part 10
  • Notes
  • Totals
• Hamilton County 1840 Federal Census hosted by USGenWeb Census Project
  • Index
  • Part 1
  • Part 2
  • Part 3
  • Part 4
• Jefferson County 1840 Federal Census hosted by USGenWeb Census Project
• Macoupin County 1840 Federal Census  hosted by USGenWeb Census Project
• Peoria County 1840 Federal Census hosted by USGenWeb Census Project
  • Index
  • Part 1
  • Part 2
  • Part 3
  • Part 4
  • Part 5
  • Part 6
  • Notes
  • Precincts
  • Totals
• Perry County 1840 Federal Census hosted by USGenWeb Census Project
  • Index
  • Census
• See Census Images Online for ALL Counties!