County Legislators
Jefferson County Board of Legislators
William W. Johnson, Chairman
Patrick R. Jareo, Vice Chairman
A list of all County Legislators with their contact information: Board of Legislators Contact Info.pdf
More detailed information is in the below links to each District/Legislator.
| District | Towns | Population | Representative |
| 1 | Towns of Brownville (part), Cape Vincent and Clayton | 7,505 | Robert W. Cantwell III |
| 2 | Towns of Brownville (part) and Lyme | 7,494 | William W. Johnson |
| 3 | Towns of Alexandria, Orleans, and Leray (part) | 7,743 | Philip N. Reed, Sr. |
| 4 | Towns of Antwerp, Philadelphia, Theresa, and Leray (part) | 7,852 | Tina M. Bartlett-Bearup |
| 5 | Towns of Leray (part) and Rutland (part) | 7,838 | Michael Montigelli |
| 6 | Towns of Wilna and Leray (part) | 7,740 | Daniel R. McBride |
| 7 | Towns of Champion and Leray (part) | 7,747 | Karen J. Freeman |
| 8 | Town of Leray | 7,823 | James A. Nabywaniec |
| 9 | Towns of Ellisburg, Henderson and Hounsfield (part) | 7,696 | Patrick R. Jareo |
| 10 | Towns of Adams, Hounsfield (part), Lorraine, Rodman and Worth | 7,675 | Christopher S. Boulio |
| 11 | Towns of Rutland (part) and Watertown (part) | 7,737 | Robert D. Ferris |
| 12 | City of Watertown | 7,738 | Frances A. Calarco |
| 13 | City of Watertown | 7,751 | Steel E. Potter |
| 14 | City of Watertown (part), Towns of Leray (part) and Pamelia | 7,756 | Corey Y. Grant |
| 15 | City of Watertown (part) and Town of Watertown (part) | 7,711 | Anthony J. Doldo |
