| Year | Census | Index | Notes |
| 1810 | Book | ||
| 1820 | Film | Book | |
| 1830 | Film | Book | |
| 1840 | Film | Book | |
| 1850 | Film | Book | |
| 1850 Non-Population | Film | Microfilm # 1024 | |
| 1860 | Film | Book | |
| 1860 Mortality | Book | ||
| 1860 Non-Population | Film | Microfilm # 1024 | |
| 1860 Dayton | Book | ||
| 1870 | Film | CD, Book | |
| 1870 African-American | CD | ||
| 1870 Non-Population | Film | Microfilm # 1024 | |
| 1880 | Film | CD, Book, Soundex Film | |
| 1880 Blacks | Book | Call # folio E185.93.O2 N57 1985 | |
| 1880 Mortality | Book | Adams - Geauga Counties | |
| 1880 Non-Population | Film | Microfilm # 1024 | |
| 1890 Veterans | Film | ||
| 1920 | Ancestry.com | ||
| 1930 | Ancestry.com | ||
| 1930 | Street indexes for Akron, Canton, Cincinnati, Cleveland, Dayton and Youngstown on microfilm |
| Athens | 1850 | folio F 89206 .132 |
| Butler | 1850 | folio F497.B9 G54 1982 |
| Clermont | 1800-1810 substitute | folio F497.C53 W455 |
| Columbiana | 1850 | |
| Columbiana | 1860 | folio F 89219 .087 |
| Darke | 1860 | folio F497.D2 S48 1983 |
| Darke | 1870 | folio F497.D2 S493 1984 |
| Darke | 1880 | folio F497.D2 S494 1984 |
| Darke | 1900 | folio F497.D2 S49 1982 |
| Fairfield | 1870 | folio F497.F15 |
| Franklin | 1870 | folio F497.F8 E83 1999 |
| Gallia | 1800, 1820 | F497.G15 J66 1997 |
| Hamilton | 1870 (includes Cincinnati) | |
| Knox | 1860 | F497.K7 J35 1973 |
| Lucas | 1870 | folio F497.L9 R43 1990 |
| Muskingum | 1860 Mortality | folio F 497. M9 H37 v3 |
| Preble | 1860 | folio F497.P9 G534 1981 |
| Preble | 1870 | folio F497.P9 G53 1982 |
| Preble | 1880 | folio F49 7.P9 G5343 1983 |
| Preble | 1900 | folio F497.P9 G54 |
| Preble | 1910 | folio F497.P9 G5345 1984 |
| Scioto | 1870 | folio F497.S3 S35 |
| Washington | 1800 | folio F 892 .56 no.3 |
| Wood | 1870 | folio F497.W8 I53 1992 |