Custer County, Montana: 2026 ballot

Last updated Sat, Nov 7, 1:34 PM ET

County, city, school and local races and measures on the November 3, 2026 ballot in Custer County. Statewide, legislative and congressional races are on the Montana page; which districts you're in depends on your address.

Not sure how to decide? Who should I vote for in Custer County? Our nonpartisan guide →

See your members of Congress and every race and measure on your ballot in Custer County, from your address. Your address stays in your browser.Look up my races

Registering to vote

Not registered yet? You can still register and vote on Election Day in Montana. You'll register in person and will usually need ID and proof of where you live. Where to go (your polling place, a vote center or the election office) depends on your county.

From NASED's official 2026 deadlines. See vote.gov or your county election office for the rules where you live.

Key dates after you vote in Montana

  • Mail ballots sent by mail must arrive by Nov 3.
  • If there's a problem with your mail ballot (a missing signature, for example), you can fix it until Nov 4.
  • Results are certified by counties by Nov 17 and by the state by Nov 30. Until then, results are unofficial.

Dates from NASED (the National Association of State Election Directors), compiled from state election calendars and checked by state election officials. Your county election office has the final word on your ballot.

Who holds office now: Custer County's elected officials: commissioners, sheriff and county officers, school board, mayors and city councils.

Courts (1)

County (3)

Next elections here

See something wrong on this page? Report a problem · Corrections