The Ballot Brief
Boulder County, Colorado

Colorado Senate District 17

Wallace and Miller are on the November 3, 2026 ballot. Names follow official Boulder County election filings.

About this race

Katie Wallace (Democratic), Pat Miller (Republican) are on the November 3 ballot for Colorado Senate District 17; Katie Wallace is the sitting member, per the General Assembly roster (leg.colorado.gov). Major-party nominees were chosen at the June 30 primary; minor-party nominees by assembly or petition and unaffiliated candidates by petition. The field is the Secretary of State's 2026 General Election candidate list. This seat is elected by district; only the district covering your address appears on your ballot.

What this office does

State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.

This race. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Katie Wallace, is on the ballot.

We use AI to research and write election information. Errors are possible. Verify important details with official sources.

Colorado › Boulder County › Colorado Senate District 17

Katie Wallace

Katie Wallace

DemocraticIncumbent

Top priorities

From the campaign site

  • Climate change
  • Childcare
  • Reproductive freedom
Biography

Wallace was raised in Lafayette and lives in Longmont, and has worked as a community organizer, a legislative aide in the State House for three years, and a policy lead for U.S. Representative Joe Neguse for two years, per the campaign site. Per the campaign site, Wallace was campaign manager for a state representative and a county commissioner and has served as vice chair of the Boulder County Democrats.

Pat Miller

Republican

Biography

Patricia (Pat) Miller is the Republican candidate for Colorado Senate District 17, according to Colorado Secretary of State campaign finance records, per Colorado Secretary of State (historicalelectiondata.coloradosos.gov). No campaign website was found as of September 8, 2026.

Next on your ballotColorado House District 10

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Voting info and more

Voting info and more
Questions about this race

Who is running for Colorado Senate District 17 in 2026?

2 candidates are tracked for Colorado Senate District 17 on the November 3, 2026 ballot: Katie Wallace and Pat Miller. Candidate information follows official Boulder County election filings; verify with the official election office linked below.

When is the Colorado Senate District 17 election in Colorado?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Colorado are on the Colorado election hub at theballotbrief.com.

How do I see my exact Boulder County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Verify this race

Candidate roster from official Boulder County and state election office filings, last verified October 19, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official Colorado election office, or see the full Boulder County sample ballot and your exact ballot by address.

The rest of your Boulder County ballot

15 tracked races in Boulder County, Colorado. Landed here from another county's search? Look up your own ballot below.

Also on your ballot
Colorado House District 11Colorado House District 12Colorado House District 19See all 15 Boulder County races
Candidate profiles
Katie Wallace, full profilePat Miller, full profileOfficial Colorado election office