STATE PRIMARY FILING DEADLINE
Alabama June 1 (runoff: June 13) April 2
Alaska August 24 June 1
Arizona August 24 May 26
Arkansas May 18 (runoff: June 8) March 8
California June 8 March 12
Colorado August 10 May 27
Connecticut August 10 May 25
Delaware September 14 July 23
Florida August 24 April 30
Georgia July 20 (runoff: August 10) April 30
Hawaii September 18 July 20
Idaho May 25 March 19
Illinois February 2 November 2
Indiana May 4 February 19
Iowa June 8 March 19
Kansas August 3 June 10
Kentucky May 18 January 26
Louisiana August 28 (runoff: October 2) July 9
Maine June 8 march 15
Maryland September 14 July 6
Massachusetts September 14 June 1
Michigan August 3 May 11
Minnesota August 10* June 1
Mississippi June 1 (runoff: June 22) March 1
Missouri August 3 March 30
Montana June 8 March 15
Nebraska May 11 February 15 (incumbents)
March 1 (non-incumbents)
Nevada June 8 March 12
New Hampshire September 14 June 11
New Jersey June 8 April 12
New Mexico June 1 February 9
New York September 14 July 15
North Carolina May 4 (runoff: June 22) February 26
North Dakota June 8* April 9
Ohio May 4 February 18
Oklahoma July 27 (runoff: August 24) June 9
Oregon May 18 March 9
Pennsylvania May 18 March 9
Rhode Island September 14 June 30
South Carolina June 8 (runoff: June 22) March 30
South Dakota June 8 (runoff: June 29) March 30
Tennessee August 5 April 1
Texas March 2 (runoff: April 13) January 4
Utah June 22* March 19
Vermont August 24 June 17
Virginia June 8** April 9
Washington August 17 June 11
West Virginia May 11 January 30
Wisconsin September 14 July 13
Wyoming August 17 May 28
* Earlier nominating conventions
** Political parties may choose between a primary or holding a nominating convention