2026 General Election · Tuesday, November 3, 2026

Colorado Senate District 20

2 candidates, listed alphabetically.

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Candidates

Sheila Lieder

Democratic

In office now: State Representative, District 28 (since 2023)
Work: State representative (House District 28); retired telecom worker

Sheila Lieder has served as State Representative for District 28 in the Colorado General Assembly since 2023, a district that includes all or part of Jefferson County.

Sheila Lieder spent four decades as a telecommunications worker and has advocated at the state Capitol for telecom workers and seniors. Sheila Lieder has represented House District 28 in the Colorado House since 2023.

Lieder's committees

Health & Human Services (Vice Chair)
Business Affairs & Labor

Sources for Lieder

Sheila Lieder: official member information (Colorado General Assembly, Public record)
Colorado General Assembly: committee information (Colorado General Assembly, Public record)
Colorado General Assembly: current member roster (Colorado General Assembly, Public record)
Meet Sheila (Sheila Lieder campaign website, Facts summarized from a public page (not copied))
Sheila Lieder (Wikipedia) (Wikipedia, Facts summarized from a public page (not copied))

Richard (Rich) Mancuso

Republican

Work: High school history teacher (D'Evelyn Junior/Senior High School); Army veteran; former marketing director

Richard (Rich) Mancuso has taught American history at D'Evelyn Junior/Senior High School and financial literacy at Red Rocks Community College, and has worked as a marketing director. Richard (Rich) Mancuso served in the U.S. Army as a combat medic and psychiatric specialist and holds degrees from Winona State University.

Sources for Mancuso

Richard (Rich) Mancuso candidate profile (BallotReady, Facts summarized from a public page (not copied))

Sources

Candidate list and race details

2026 General Election official candidate list (Colorado Secretary of State, Public record)

What's included: U.S. Senate and House, statewide offices, every state legislative district on the ballot and statewide ballot measures.
Everything else: Local races (county, city, school board, judges) and anything else on your ballot are on your official sample ballot: sos.state.co.us.
Candidate lists: As of Wednesday, October 14, 2026.

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