February 27 |
Arizona special House Primaries |
March 6 |
Texas Primaries |
March 13 |
Pennsylvania PA-18 Special Election |
March 20 |
Illionois Primaries |
May 8 |
Indiana, North Carolina, Ohio, West Virginia Primaries |
May 15 |
Idaho, Nebraska, Oregon, Pennsylvania Primaries |
May 22 |
Arkansas, Georgia, Kentucky Primaries |
June 5 |
Alabama, California, Iowa, Mississippi, Montana, New Jersey, New Mexico, South Dakota Primaries |
| June 12 |
Maine, Nevada, North Dakota, South Carolina, Virginia Primaries |
| June 19 |
District of Columbia Primary; Arkansas Primaries Runoff |
| June 26 |
Colorado, Maryland, New York, Oklahoma, Utah Primaries; Mississippi, South Carolina, Primaries Runoff |
| July 17 |
Alabama, North Carolina Primaries Runoff |
| July 24 |
Georgia Primaries Runoff |
| August 2 |
Tennessee Primaries |
| August 7 |
Kansas, Michigan, Missouri, Washington Primaries; OH-12 special election |
| August 11 |
Hawaii Primaries |
| August 14 |
Connecticut, Minnesota, Vermont, Wisconsin Primaries; South Dakota Primaries Runoff |
| August 21 |
Alaska, Wyoming Primaries |
| August 28 |
Arizona, Florida Primaries; Oklahoma Primaries Runoff |
| September 4 |
Massachusetts Primaries |
| September 6 |
Delaware Primaries |
| September 11 |
New Hampshire Primaries |
| September 12 |
Rhode Island Primaries |
| November 6 |
Lousiana Primaries |