All State Republican Primary Dates and Filing Deadlines.

By Date

State Filing deadline for primary candidates Primary election
Illinois 12/4/2017 3/20/2018
Texas 12/11/2017 3/6/2018
West Virginia 1/27/2018 5/8/2018
Kentucky 1/30/2018 5/22/2018
Ohio 2/7/2018 5/8/2018
Indiana 2/9/2018 5/8/2018
Alabama 2/9/2018 6/5/2018
Maryland 2/27/2018 6/26/2018
North Carolina 2/28/2018 5/8/2018
Nebraska 3/1/2018 5/15/2018
Arkansas 3/1/2018 5/22/2018
Mississippi 3/1/2018 6/5/2018
Oregon 3/6/2018 5/15/2018
Pennsylvania 3/20/2018 5/15/2018
Idaho 3/9/2018 5/15/2018
Georgia 3/9/2018 5/22/2018
California 3/9/2018 6/5/2018
Montana 3/12/2018 6/5/2018
New Mexico 3/13/2018 6/5/2018
Maine 3/15/2018 6/12/2018
Utah 3/15/2018 6/26/2018
Iowa 3/16/2018 6/5/2018
Nevada 3/16/2018 6/12/2018
Colorado 3/20/2018 6/26/2018
Washington, D.C. 3/21/2018 6/19/2018
South Dakota 3/27/2018 6/5/2018
Missouri 3/27/2018 8/7/2018
Virginia 3/29/2018 6/12/2018
South Carolina 3/30/2018 6/12/2018
New Jersey 4/2/2018 6/5/2018
Tennessee 4/5/2018 8/2/2018
North Dakota 4/9/2018 6/12/2018
New York 4/12/2018 6/26/2018
Oklahoma 4/13/2018 6/26/2018
Michigan 4/24/2018 8/7/2018
Florida 5/4/2018 8/28/2018
Washington 5/18/2018 8/7/2018
Arizona 5/30/2018 8/28/2018
Vermont 5/31/2018 8/14/2018
Kansas 6/1/2018 8/7/2018
Wisconsin 6/1/2018 8/14/2018
Alaska 6/1/2018 8/21/2018
Wyoming 6/1/2018 8/21/2018
Hawaii 6/5/2018 8/11/2018
Minnesota 6/5/2018 8/14/2018
Massachusetts 6/5/2018 9/4/2018
Connecticut 6/12/2018 8/14/2018
New Hampshire 6/15/2018 9/11/2018
Rhode Island 6/27/2018 9/12/2018
Delaware 7/10/2018 9/6/2018
Louisiana 7/20/2018 11/6/2018