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
- 1820 Athens County, Ohio Census Records
- Ohio 1850 Census Records
- Ohio 1860 – 1890 Census Records
- Ohio 1900 – 1930 Census Records
1850
- Adams County Ohio Index (hosted at USGenWeb Census Project)
- Allen County Ohio Images (hosted at USGenWeb Census Project)
- Allen County Ohio Index (hosted at USGenWeb Census Project)
- Ashtabula County Ohio Archives (hosted at USGenWeb Census Project)
- Auglaize County Ohio Images (hosted at USGenWeb Census Project)
- Butler County Ohio Index (hosted at USGenWeb Census Project)
- Champaign County Ohio Partial (hosted at USGenWeb Census Project)
- Columbiana County Ohio Archive Index (hosted at USGenWeb Census Project)
- Darke County Ohio Images (hosted at USGenWeb Census Project)
- Erie County Ohio Index (hosted at USGenWeb Census Project)
- Erie County Ohio Index (hosted at USGenWeb Census Project)
- Fulton County Ohio (hosted at USGenWeb Census Project)
- Henry County Ohio (hosted at USGenWeb Census Project)
- Guernsey County Ohio Index (hosted at USGenWeb Census Project
- Huron County Ohio (hosted at USGenWeb Census Project)
- Jefferson County Ohio Images (hosted at USGenWeb Census Project)
- Knox County Ohio Index (hosted at USGenWeb Census Project)
- Licking County Ohio Images (hosted at USGenWeb Census Project)
- Logan County Ohio Index (hosted at USGenWeb Census Project)
- Logan County Ohio Online (hosted at USGenWeb Census Project)
- Lucas County Ohio Images (hosted at USGenWeb Census Project)
- Medina County Ohio (hosted at USGenWeb Census Project)
- Miami County Ohio (hosted at USGenWeb Census Project)
- Morrow County Ohio Partial (hosted at USGenWeb Census Project)
- Pike County Ohio (hosted at USGenWeb Census Project)
- Putnam County Ohio Images (hosted at USGenWeb Census Project)
- Sandusky County Ohio Archive Index (hosted at USGenWeb Census Project)
- Seneca County Ohio Archive Index (hosted at USGenWeb Census Project)
- Seneca County Ohio Partial (hosted at USGenWeb Census Project)
- Stark County Ohio Images (hosted at USGenWeb Census Project)
- Williams County Ohio Archive Index (hosted at USGenWeb Census Project)
- Northwest Township
- Florence Township
- Center Township
- St. Joseph Township
- Pulaski Township
- Springfield Township
- Williams County Ohio (hosted at USGenWeb Census Project)
- Wood County Ohio Index (hosted at USGenWeb Census Project)
- Wyandot County Ohio Index (hosted at USGenWeb Census Project)
- See Census Images Online for ALL Counties!