Exercise your right to vote

Register to Vote

be a United States citizen;
be 18 years old (you may pre-register at 16 or 17 but cannot vote until you are 18);
resident of this state and the county, city or village for at least 30 days before the election;
not be in prison or on parole for a felony conviction (unless parolee pardoned or restored rights of citizenship);
not be adjudged mentally incompetent by a court;
not claim the right to vote elsewhere.

You can register in person at your county board of elections or at any New York State Agency-Based voter registration center.
You may also submit your voter application form at the Department of Motor Vehicles, either in person or on their web site if you already have DMV-issued identification.
You can request a New York State Voter Registration form by mail by entering your name directly into our mailing list database.
You can call our 1-800-FOR-VOTE hotline to request a voter application.

You may register to vote using the New York State Voter Registration Form accessible at the links below. You can complete a PDF version of the New York State Voter Registration Form on-line by clicking on the link below, typing the necessary information and selecting the appropriate boxes. Alternatively, you can print the form to complete by hand.
Complete English Form On-line ( 304KB)
Complete Spanish Form On-LIne ( 310KB)
Once the form is completed, you need to print the form and sign it. We cannot accept any kind of digital or Adobe-generated signature. Then, mail the form to your county board of elections.

You can also complete an Accessible version of the New York State Voter Registration Form on-line by clicking on the link below, typing the necessary information and selecting the appropriate boxes.
Accessible English Form On-line
Accessible Spanish Form On-Line
Once the form is completed, you need to print the form and sign and date it. Then, mail the form to your county board of elections.

Source: Link