Douglas County, Colorado

Colorado Senate District 30

2 candidates are tracked for Colorado Senate District 30 on the November 3, 2026 ballot: John Carson and Kevin Leung. Candidate information follows official Douglas County election filings; verify with the official election office linked below.

About this race

John Carson (Republican), Kevin Leung (Democratic) are on the November 3 ballot for Colorado Senate District 30; John Carson 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, John Carson, is on the ballot.

Colorado › Douglas County › Colorado Senate District 30

John Carson

Republican Incumbent

Biography

John Carson is the Republican state senator for Senate District 30 in Douglas County, appointed to the seat by a Douglas County Republican vacancy committee on January 4, 2025, per Colorado Politics. He serves on the Committee on Legal Services and the Judiciary committee, and sponsored 16 bills in the 2026 session on criminal justice, state government and transportation, per the Colorado General Assembly. No campaign website was found as of September 8, 2026.

Kevin Leung

Democratic

Top priorities

Supports good paying jobs and affordability for teachers, firefighters and workers
Supports fully funded classrooms and fairly paid teachers
Supports responsible growth that protects water and safety in Douglas County

Per the campaign site.

Biography

Kevin Leung is a candidate for Colorado Senate District 30, per his campaign site. He immigrated from Hong Kong and has served on the Douglas County School Board and the South Metro Fire Rescue Board, per his campaign site. He owns a small business and has worked as an information technology professional, per his campaign site.

Campaign site (opens in a new tab)

Next on your ballotColorado House District 39

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Voting info and more

Questions about this race

Who is running for Colorado Senate District 30 in 2026?

When is the Colorado Senate District 30 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 Douglas 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 Douglas County and state election office filings, last verified September 27, 2026. Bios and priorities carry their attribution inline.

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

The rest of your Douglas County ballot

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

Also on your ballot

Colorado House District 43 Colorado House District 44 Colorado House District 45 See all 15 Douglas County races

Candidate profiles

John Carson, full profile Kevin Leung, full profile Official Colorado election office