The Ballot Brief
Adams County, Colorado

Colorado Senate District 21

2 candidates are tracked for Colorado Senate District 21 on the November 3, 2026 ballot: Frederick Alfred Jr and Adrienne Benavidez. Candidate information follows official Adams County election filings; verify with the official election office linked below.

About this race

Frederick Alfred Jr (Republican), Adrienne Benavidez (Democratic) are on the November 3 ballot for Colorado Senate District 21; Adrienne Benavidez is the sitting member, per the General Assembly roster (leg.colorado.gov). Not on the November ballot: Dafna Michaelson Jenet, 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.

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, Adrienne Benavidez, is on the ballot.

Colorado › Adams County › Colorado Senate District 21

Frederick Alfred Jr

Republican

Biography

Frederick Alfred Jr is the Republican candidate for Colorado Senate District 21 on the November 3, 2026 ballot, per the Secretary of State's 2026 General Election candidate list. No campaign website was found as of September 8, 2026.

Adrienne Benavidez

Democratic Incumbent

Biography

Adrienne Benavidez is the Democratic state senator for Senate District 21 in Adams and Arapahoe counties, per the Colorado General Assembly. A former state representative, she was selected by a vacancy committee to fill the Senate District 21 seat and was sworn in March 2, 2026, per The Colorado Sun. No campaign website was found as of September 8, 2026.

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Questions about this race

Who is running for Colorado Senate District 21 in 2026?

2 candidates are tracked for Colorado Senate District 21 on the November 3, 2026 ballot: Frederick Alfred Jr and Adrienne Benavidez. Candidate information follows official Adams County election filings; verify with the official election office linked below.

When is the Colorado Senate District 21 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 Adams 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 Adams County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.

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

The rest of your Adams County ballot

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

Also on your ballot
Colorado Senate District 25Colorado House District 24Colorado House District 29See all 20 Adams County races
Candidate profiles
Frederick Alfred Jr, full profileAdrienne Benavidez, full profileOfficial Colorado election office