In all but two states (Vermont and Maine), voting age citizens convicted of a felony are barred from voting for at least some period of time. Restrictions on a felon's right to vote are summarized below:
Voting rights retained while incarcerated for a felony conviction in: Maine and Vermont.
Voting rights restored automatically upon release from prison in: The District of Columbia, Hawaii, Illinois, Indiana, Massachusetts, Michigan, Montana, New Hampshire, North Dakota, Ohio, Oregon, Pennsylvania, Rhode Island, and Utah.
Voting rights restored automatically once released from prison and discharged from parole (probationers can vote) in: California, Colorado, Connecticut, New York, and South Dakota.
Voting rights restored automatically upon completion of sentence, including prison, parole, and probation in: Alaska, Arizona, Arkansas, Georgia, Idaho, Kansas, Louisiana, Maryland, Minnesota, Missouri, Nebraska, New Jersey, New Mexico, North Carolina, Oklahoma, South Carolina, Texas, Washington, West Virginia, and Wisconsin.
Voting rights restoration is dependent on the type of conviction and/or the outcome of an individual petition or application to the government in: Alabama, Delaware, Mississippi, Nevada, Tennessee, and Wyoming.
Voting rights can only be restored through an individual petition or application to the government in: Florida, Iowa, Kentucky, and Virginia.