The 2028 U.S. Senate Primary Election in Missouri will be held on August 1, 2028, to determine the Democratic and Republican nominees for the U.S. Senate seat currently held by incumbent Senator Josh Hawley, who is running for re-election. This primary is a key step in the general election process, where voters select party candidates to appear on the November 2028 ballot.
The 2028 U.S. Senate Primary Election in Missouri will be held on August 1, 2028, to determine the Democratic and Republican nominees for the U.S. Senate seat currently held by incumbent Senator Josh Hawley, who is running for re-election. This primary is a key step in the general election process, where voters select party candidates to appear on the November 2028 ballot.
Missouri residents can register to vote online, by mail, or in person at their local election authority office. Voters must present a valid government-issued photo ID at the polls, such as a driver’s license, passport, or military ID; those without ID may cast a provisional ballot. Early voting is available in-person at designated locations starting July 22, 2028, and absentee ballots can be requested by mail with a valid excuse.