Rock County Sheriffs DepartmentRock County, Wisconsin |
| Officer | Position | Years of Service | Notes |
| APPLEBY, William H. | Sheriff | 1895 | ----- |
| BROWN, Charles Le | Deputy Sheriff | 1866 - 1879 - ? | Source: biography |
| BURPEE, A. | Undersheriff | 1865 | ----- |
| FISHER, I. U. | Sheriff | 1907 | ----- |
| FISHER, L. G. | Sheriff | 1839 | ----- |
| HOWARD, William H. | Sheriff | 1854 | ----- |
| LANGWORTHY, Jack | Sheriff | Bef. 1861 | ----- |
| RANSOM, Ensign H. | Sheriff | Bef. 1913 | became Janesville Police Chief |
| SWEENEY, Miles C. | Undersheriff | ? - 1954 - ? | ----- |
| WEBB, Jasper | Undersheriff | ? - 1939 - ? | became Chief of Janesville Fire Department in 1944 |
| WHELAN, Mary | Deputy | 1917 - ? | ----- |
| WHIPPLE, Robert O. | Sheriff | ? - 1917 - ? | ----- |