Takeaways From the June 9 Primary Elections

Voters in Maine, South Carolina, Nevada, and North Dakota made key picks for governor, senators, and House seats in the June 9 primaries.

Election workers conduct ballot tabulation at the Los Angeles County Ballot Processing Center during California's state primary election in the City of Industry, Calif., on June 2, 2026. Patrick T. Fallon / AFP via Getty Images

On June 9, voters in Maine, South Carolina, Nevada, and North Dakota went to the polls.

In Maine, voters selected oysterman and military veteran Graham Platner—a dark horse candidate who won the race after Gov. Janet Mills suspended her Senate primary campaign—to take on incumbent Sen. Susan Collins (R-Maine), a long-serving political juggernaut in the state who ran unopposed for her party’s nomination on Tuesday.