The polls are open for the Primary Election and the General Election from 6:00 a.m. until 8:00 p.m. Polling locations for the election districts in Dumont are as follows:
| District | Location | Address |
| District 1 | Honiss School Old Gym | 31 Depew Street |
| District 2 | Lincoln School Gym | 80 Prospect Avenue |
| District 3 | Honiss School Old Gym | 31 Depew Street |
| District 4 | Lincoln School Gym | 80 Prospect Avenue |
| District 5 | High School Annex | 101 New Milford Avenue |
| District 6 | Grant School Gym | 100 Grant Avenue |
| District 7 | Selzer School Media Center | 435 Prospect Avenue |
| District 8 | Honiss School Old Gym | 31 Depew Street |
| District 9 | Grant School Gym | 100 Grant Avenue |
| District 10 | Honiss School Old Gym | 31 Depew Street |
| District 11 | Selzer School Media Center | 435 Prospect Avenue |
NJ Division of Elections Polling Place Locator
Type in your home address to find the location of your polling place: Polling Place Locator