Colorado Senate District 4: 2026 Election
Senate District 4 covers much of Douglas County, including Castle Rock, Parker, and Larkspur. The open seat drew a single nominee from each party, so there is no June 30 primary; Republican Teddy Collins and Democrat Justin Kurth meet on November 3.
- Teddy Collinson the ballot
- Justin Kurthon the ballot
The candidates
Teddy Collins (Republican) Unopposed Republican nominee for the open SD-4 seat.
Justin Kurth (Democratic) Unopposed Democratic nominee.
What this office does
A state senator represents the district in the Colorado General Assembly, writing and voting on state law and the budget.
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Source: Colorado Secretary of State and Douglas County Elections. Candidate field as published in our 2026 ballot guide. Results are unofficial until canvassed and certified.