Colorado County
| Description | Size | Date | Contributed by |
| 1850 Federal Census Index | 6K | Jan 2000 | S-K Publications |
| 1850 Federal Census Index A-K | 81K | May 2001 | Hugh Goodman |
| 1850 Federal Census Index L-Y | 78K | May 2001 | Hugh Goodman |
| 1850 Federal Census Transcription | May 2001 | Hugh Goodman | |
| 1850 Federal Census Image Information | 2K | S-K Publications | |
| 1850 Federal Census Images | Nesbitt Memorial Library
& S-K Publications |
||
| 1860 Federal Census Image Information | 2K | S-K Publications | |
| 1860 Federal Census Images | Nesbitt Memorial Library
& S-K Publications |
||
| 1870 Federal Census Image Information | 2K | S-K Publications | |
| 1870 Federal Census Images | Nesbitt Memorial Library
& S-K Publications |
||
| 1880 Federal Census Transcription | Jun 2012 | Terry Dudley | |
| 1880 Federal Census Image Information | 2K | S-K Publications | |
| 1880 Federal Census Images | Nesbitt Memorial Library
& S-K Publications |
||
| 1900 Federal Census Image Information | 2K | S-K Publications | |
| 1900 Federal Census Images | Nesbitt Memorial Library
& S-K Publications |
||
| 1910 Federal Census Image Information | 2K | S-K Publications | |
| 1910 Federal Census Images | Nesbitt Memorial Library
& S-K Publications |
||
| 1920 Federal Census Image Information | 3K | S-K Publications | |
| 1920 Federal Census Images | Nesbitt Memorial Library
& S-K Publications |
||
| 1930 Federal Census Image Information | 3K | S-K Publications | |
| 1930 Federal Census Images | Nesbitt Memorial Library
& S-K Publications |
||
| 1930 Federal Census Map | Image 160K | Nesbitt Memorial Library | |
