Who may apply for an absentee ballot?
Any voter who will be away from home, but in the United States, may submit an Absentee Ballot Request Form to receive a ballot at an address other than your residence.

When can I apply for an absentee ballot?
You may apply for an absentee ballot at any time. Be sure to apply in enough time for your ballot to be delivered to your absentee address by mail and for you to vote and return your ballot, postmarked by Election Day.
  
If you are in the military or overseas, click military or overseas voter for instructions and forms.

Ballot mailing dates
Military/overseas voters - 45 days prior to Election Day
Out-of-State voters - 29 days prior to Election Day
Local voters - 19 days prior to Election Day