A person prepares to vote at the South Austin Recreation Center in Austin, Texas, on May 26, 2026. Texas Attorney General Ken Paxton faces incumbent Sen. John Cornyn in this year's Republican primary runoff. Brandon Bell/Getty Images
On June 2, voters will go to the polls for a series of key races.
The biggest item of the night will be the litany of races in California, the nation’s largest state. Others will be held in Iowa, Montana, New Mexico, New Jersey, and South Dakota.