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Colorado general election: November 3, 2026

Who is running for Arapahoe County Treasurer in 2026?

Here are the candidates for Arapahoe County Treasurer on the November 3, 2026 ballot. This race is on the ballot for voters in Arapahoe County.

This office runs county services rather than voting on the quiz issues, so we show each candidate's experience and record instead of an issue match.

Michael Westerberg

Democrat · Incumbent

Arapahoe County Treasurer

Michael Westerberg is the Democratic incumbent Arapahoe County Treasurer, as listed on the county's Treasurer page3. On his campaign website he describes himself as a tax attorney with a Master of Laws in Taxation from the University of Denver who has lived in Aurora since 20152. He won the office in November 2022 with 57.1 percent over Marsha Berzins4. He faces Libertarian Bennett Rutledge in November1.

  • Arapahoe County Treasurer (listed on the county's Treasurer page)3
  • Tax attorney; Master of Laws in Taxation, University of Denver (campaign website)2
  • Elected in November 2022 with 57.1 percent (140,859 votes to Marsha Berzins's 105,928)4.

Bennett Rutledge

Libertarian

Libertarian candidate for Arapahoe County Treasurer

Bennett Rutledge is the Libertarian candidate for Arapahoe County Treasurer1. His campaign website, which is marked under construction, describes a 'Lean Campaign' with few promises, including to support the United States and Colorado constitutions and to work for the repeal of unwise laws2.

  • Has not held the office; the Libertarian candidate on the November 2026 ballot1.

Last reviewed 2026-10-08. Spotted something wrong? Every claim links to its source so you can check it yourself.