State

Primary

Filing Deadline

Illinois

February 2

November 2

Texas

March 2  (runoff:  April 13)

January 4

Indiana

May 4

February 19

North Carolina

May 4  (runoff:  June 22)

February 26

Ohio

May 4

February 18

Nebraska

May 11

February 15 (incumbents)
March 1 (non-incumbents)

West Virginia

May 11

January 30

Arkansas

May 18  (runoff:  June 8)

March 8

Kentucky

May 18

January 26

Oregon

May 18

March 9

Pennsylvania

May 18

March 9

Idaho

May 25

March 19

Alabama

June 1  (runoff: July 13)

April 2

Mississippi

June 1  (runoff:  June 22)

March 1

New Mexico

June 1

February 9

California

June 8

March 12

Iowa

June 8

March 19

Maine

June 8

March 15

Montana

June 8

March 15

Nevada

June 8

March 12

New Jersey

June 8

April 12

North Dakota

June 8 *

April 9

South Carolina

June 8  (runoff:  June 22)

March 30

South Dakota

June 8  (runoff:  June 29)

March 30

Virginia

June 8 **

April 9

Utah

June 22 *

March 19

Georgia

July 20   (runoff:  August 10)

April 30

Oklahoma

July 27  (runoff:  August 24)

June 9

Kansas

August 3

June 10

Michigan

August 3

May 11

Missouri

August 3

March 30

Tennessee

August 5

April 1

Colorado

August 10

May 27

Connecticut

August 10

May 25

Washington

August 17

June 11

Wyoming

August 17

May 28

Alaska

August 24

June 1

Arizona

August 24

May 26

Florida

August 24

April 30

Louisiana

August 28  (runoff: October 2)

July 9

Delaware

September 14

July 23

Maryland

September 14

July 6

Massachusetts

September 14

June 1

New Hampshire

September 14

June 11

New York

September 14

July 15

Rhode Island

September 14

June 30

Wisconsin

September 14

July 13

Hawaii

September 18

July 20