Summit County, Colorado
Summit County, Colorado voter information: how to register, check your status, see your sample ballot and contact your local election office. Home to about 30,900 people, Summit County ranks 19th in population among Colorado's 64 counties. In Colorado, the county clerk and recorder runs elections, mails every active voter a ballot and staffs voter service centers.
Next Election
March 21, 2028
Voter Portal
Register Online
What's On My Ballot?
ID Requirements
Absentee / Early Voting
Registration Deadline
Register online or by mail at least 8 days before an election; same-day registration is available in person, but registering early helps you get your ballot by mail.
Why Voting Matters
In Summit County, the people who show up to vote decide who represents everyone. The next election for Summit County voters is Colorado's 2028 presidential primary, on a date the governor will set no later than March 21, 2028, though a statewide ballot issue could come first on November 2, 2027; local elections can come sooner, so check your local election office. With restaurants and hospitality and arts and recreation among the county's biggest employers, issues like tourism and small businesses are decided by the officials voters choose.
Summit County voters cast about 17,500 ballots for president in 2024, down about 5% from 18,500 in 2020. Compared with the county's roughly 26,200 adult residents, that works out to about 67%, close to the statewide rate of about 68%.
That means roughly 8,660 adult residents did not cast a presidential ballot. Some are not eligible, but many are, and that is a lot of untapped power. If just one in 20 of them voted, Summit County would add about 433 voices, more than enough to decide a close local race.
Summit County spans about 608 square miles of small towns and countryside, averaging roughly 51 people per square mile. The county is home to about 0.5% of Colorado's population.
ZIP codes in or partly in Summit County include 80424, 80435, 80443, 80497 and 80498. Confirm your registration, read through your sample ballot before Election Day, and choose whether you will vote early, by mail or in person. Invite someone you know in Summit County to join you.
Voter Assistance Resources
Local election help in Summit County: In Colorado, the county clerk and recorder runs elections, mails every active voter a ballot and staffs voter service centers. For registration, polling places, early voting and absentee ballots, contact the Summit County clerk and recorder.
Statewide directory, Colorado Secretary of State's county clerk roster:
https://www.coloradosos.gov/pubs/elections/Resources/files/CountyClerkRosterWebsite.pdf
See your sample ballot. Go Vote Colorado:
https://www.coloradosos.gov/voter/pages/pub/home.xhtml
You can also preview a personalized ballot at Vote411.org.
Free, nonpartisan help is available before and on every Election Day: call or text the Election Protection hotline at 866-OUR-VOTE (866-687-8683). Spanish: 888-VE-Y-VOTA (888-839-8682). Asian languages: 888-API-VOTE (888-274-8683).
Voters with disabilities in Summit County can ask for an accessible voting machine, curbside voting where offered, and help from a person of their choice. If you run into barriers, contact Disability Law Colorado, Colorado's Protection and Advocacy agency, at (303) 722-0300. VoteRiders (844-338-8743) offers free help with voter ID.
Need a ride? Many local transit agencies and ride services offer free or discounted rides to the polls on Election Day, so check what is available before the next election. See our Colorado voter page for statewide options. Details can change, so confirm with the official election office.
Military and overseas voters can get help from the Federal Voting Assistance Program at 1-800-438-VOTE (8683) or fvap.gov.
Sign up to be an election worker
Election workers (often called poll workers) keep voting running smoothly in Summit County. Most are paid for their time, get free training, and help their neighbors cast their ballots. You can work a full day, a shorter shift, or help before Election Day. County and municipal election offices recruit and train their own workers, and the EAC's Help America Vote page links to yours. Find out how to sign up:
https://www.eac.gov/help-america-vote
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