Alabama: Oct. 26
Alaska: Oct. 7
*American Samoa: Oct. 9
*Arizona: Oct. 9
*Arkansas: Oct. 9
California: Oct. 22
*Colorado: Oct. 9
Connecticut: Oct. 23 for mail-in registration, Oct. 30 for in-person registration, Nov. 5 for military voters and some others.
Delaware: Oct. 13 for most, Oct. 22 for uniformed service members and overseas citizens.
District of Columbia: Can register at the polls with a photo ID, a utility bill, a paycheck stub or other documentation of name and address
*Florida: Oct. 9
*Georgia: Oct. 9
Guam: Oct. 26
Hawaii: Oct. 8
Idaho: Oct. 12
*Illinois: Oct. 9
*Indiana: Oct. 9
Iowa: Oct. 27
Kansas: Oct. 16
*Kentucky: Oct. 9
*Louisiana: Oct. 9
Maine: Oct. 16 for mail-in registration, no cut-off date for registering at the town office or city hall.
Maryland: Oct. 16
Massachusetts: Oct. 17
*Michigan: Oct. 9
Minnesota: Oct. 16
Mississippi: Oct. 6
Missouri: Oct. 10
*Montana: Oct. 9
Nebraska: Oct. 19 for mail-in registration, Oct. 26 for in-person registration
Nevada: Oct. 6
New Hampshire: Oct. 27, or register and vote on election day
New Jersey: Oct. 16
*New Mexico: Oct. 9
New York: Oct. 12
North Carolina: Oct. 12
North Dakota: No registration necessary
*Ohio: Oct. 9
Oklahoma: Oct. 12
Oregon: Oct. 16
*Pennsylvania: Oct. 9
Puerto Rico: Sept. 17
Rhode Island: Oct. 7
South Carolina: Oct. 7
South Dakota: Oct. 22
Tennessee: Oct. 8
*Texas: Oct. 9
*Utah: Oct. 9 for mail-in registration, Oct. 22 for in-person or online registration
Vermont: Oct. 31
U.S. Virgin Islands: Oct. 7
Virginia: Oct. 15
Washington: Oct. 6 for mail-in, Oct. 29 for in-person new Washington voters
West Virginia: Oct. 16
Wisconsin: Oct. 17 for mail-in, but can register in-person at a municipal clerk’s office or a special registration deputy until Nov. 2, or at the polls on election day
Wyoming: Oct. 23, or can register in person on election day
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