The Ballot Brief
Jefferson County, Colorado

Colorado Senate District 20

ColoradoJefferson County › Colorado Senate District 20

2 candidates are tracked for Colorado Senate District 20 on the November 3, 2026 ballot: Richard (Rich) Mancuso and Sheila Lieder. Candidate information follows official Jefferson County election filings; verify with the official election office linked below.

Richard (Rich) Mancuso (Republican), Sheila Lieder (Democratic) are on the November 3 ballot for Colorado Senate District 20. Not on the November ballot: Lisa Cutter, the sitting member per the roster. 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.

Richard (Rich) Mancuso

Republican

Richard (Rich) Mancuso is the Republican candidate for Colorado Senate District 20 on the November 3, 2026 ballot, per the Secretary of State's 2026 General Election candidate list. No campaign website or questionnaire response was found as of September 8, 2026.

Sheila Lieder

Democratic

Sheila Lieder is the Democratic candidate for Colorado Senate District 20 on the November 3, 2026 ballot, per the Secretary of State's 2026 General Election candidate list. No campaign website or questionnaire response was found as of September 8, 2026.

Verify this race
Candidate roster from official Jefferson County Supervisor of Elections filings. Bios and priorities carry their attribution inline.
Cross-check with the official Colorado election office, or see the full Jefferson County sample ballot and your exact ballot by address.