Ohio 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 Ohio census information directly from your computer at home. Try the Census Free for 14 Days

1900 Ohio Census Records

1910 Ohio Census Records

1920 Ohio Census Records

1930 Ohio Census Records

1940 Ohio Census Records