| 1840 | 1,849 |
| 1850 | 5,180 |
| 1860 | unknown |
| 1870 | unknown |
| 1880 | unknown |
| 1890 | unknown |
| 1900 | 16,370 |
| 1910 | 15,679 |
| 1920 | 14,760 |
| 1930 | 13,023 |
What is collected? An excellent aid regarding the U.S. Census information from 1790 through 1930 is offered by Genealogy.com
FamilySearch.org has searchable collections
All of the census records are available free online at Archive.org. You can browse and even download the massive files.
| Bureau | Putnam | |
| Stark |
 |
La Salle |
| Peoria | Woodford |
