Last Minute Tips, Where to Find Results, and Inauguration Information The deadline for Rockville voters to get their ballots to City Hall for the 2019 Vote by Mail election is 8 p.m. Tuesday, Nov. 5. Casting Ballots Mail the ballot back in the postage-paid envelope — postmarks don’t count so ballots must be received by… Read More »Vote by Mail Election Concludes 8 p.m. Nov. 5