| State | Residency requirement |
|---|
| Alabama | No durational residency requirement. 10-day registration requirement. In-person registration by 5 P.M., eleven days before election date. |
| Alaska | 30-day registration requirement. |
| Arizona | 29-day registration requirement. |
| Arkansas | No durational residency requirement. 30-day registration requirement. |
| California | 15-day registration requirement. |
| Colorado | 30-day residency requirement. 29-day registration requirement. |
| Connecticut | No durational residency requirement. Registration deadline 14th day before election by mail, 7 days in person; registration and party enrollment deadline by 12 noon the day before primary in person, 5 days by mail. |
| Delaware | No durational residency requirement. 20-day registration requirement. |
| District of Columbia | No durational residency requirement. 30-day registration requirement. |
| Florida | No durational residency requirement. 29-day registration requirement before national election; 29-day registration requirement before first and second state primary. |
| Georgia | No durational residency requirement. 30-day registration requirement. |
| Hawaii | No durational residency requirement. 30-day registration requirement. |
| Idaho | 30-day residency requirement. May register 25 days prior to any election with County Clerk. Individual may also register on election day at polling place. |
| Illinois | 30-day residency requirement. 27-day registration requirement. |
| Indiana | 30-day residency requirement. 29-day registration requirement. |
| Iowa | No durational residency requirement.10-day registration requirement. In-person registration by 5 P.M., 11 days before election date, 10 days for statewide primary and general elections. |
| Kansas | 15-day registration requirement. |
| Kentucky | 28-day residency requirement. |
| Louisiana | No durational residency requirement. 30-day registration requirement. |
| Maine | No durational residency requirement. |
| Maryland | No durational residency requirement. |
| Massachusetts | No durational residency requirement. 20-day registration requirement. |
| Michigan | 30-day residency requirement. |
| Minnesota | Permits registration and voting on election day with approved ID; 20-day residency requirement. |
| Mississippi | 30-day residency requirement. 30-day registration requirement. |
| Missouri | No durational residency requirement. Must be registered by the fourth Wednesday prior to election. |
| Montana | 30-day residency requirement. 30-day registration requirement. |
| Nebraska | No durational residency requirement. Registration deadline is third Friday prior to election. |
| Nevada | 30-day residency requirement. 30-day registration requirement. |
| New Hampshire | No durational residency requirement. 10-day registration requirement. Individual may also register on election day at polling place. |
| New Jersey | 30-day residency requirement. 29-day registration requirement. |
| New Mexico | No durational residency requirement. 28-day registration requirement. |
| New York | 30-day residency requirement. |
| North Carolina | 30-day residency requirement. 25-day registration requirement. |
| North Dakota | No voter registration. 30-day residency requirement to vote in election. |
| Ohio | 30-day residency requirement. 30-day registration requirement. |
| Oklahoma | No durational residency requirement. 25-day registration requirement. |
| Oregon | Must register by close of business day of registering agencies (which varies), 21st day before the election. |
| Pennsylvania | 30-day residency requirement. 30-day registration requirement. |
| Rhode Island | No durational residency requirement. 30-day registration requirement. |
| South Carolina | No durational residency requirement. Registration certificate not valid for 30 days, but if you move within the state you can vote in old precinct during the 30 days. |
| South Dakota | No durational residency requirement. 15-day registration requirement. |
| Tennessee | No durational residency requirement. 30-day registration requirement. |
| Texas | No durational residency requirement. 30-day registration requirement. |
| Utah | 30-day residency requirement. 15th and 18th day before election registration in person. Postmarked 30 days before election if registering by mail. |
| Vermont | Administrative cut-off date for processing registration applications is second Saturday before the election, by 12 noon. |
| Virginia | No durational residency requirement. 29-day registration requirement. |
| Washington | 30-day residency requirement. 30-day registration requirement. Individual may also register in person no later than 15 days before election. |
| West Virginia | No durational residency requirement. 21-day registration requirement. |
| Wisconsin | 10-day residency requirement. Individual may also register on election day at polling place. |
| Wyoming | No durational residency requirement. 30-day registration requirement. Individual may also register on election day at polling place. |