Iowa › Linn County › Iowa Senate District 37
2 candidates are tracked for Iowa Senate District 37 on the November 3, 2026 ballot: Randy Marzen and Molly Donahue. Candidate information follows official Linn County election filings; verify with the official election office linked below.
Randy Marzen (Republican), Molly Donahue (Democratic) are on the November 3 ballot for Iowa Senate District 37; Molly Donahue is the sitting member, per the legis.iowa.gov legislator roster. Major-party nominees were chosen at the June 2 primary; No Party candidates qualify by nominating petition. The field is the Secretary of State's 2026 General Election candidate list, as read September 11, 2026. This seat is elected by district; only the district covering your address appears on your ballot.
Republican
Randy Marzen of Marion is the Republican candidate for Iowa Senate District 37, challenging incumbent Democratic Sen. Molly Donahue, according to the Iowa Secretary of State's candidate filings. No campaign website or questionnaire response was found as of September 11, 2026; the Secretary of State's certified candidate list is the only verifiable source for Randy Marzen.
Democratic · Incumbent
Molly Donahue of Cedar Rapids has represented Iowa Senate District 37, in eastern Linn County, since January 3, 2023, according to public candidate filings. She faces Republican challenger Randy Marzen in 2026. No campaign website or questionnaire response was found as of September 11, 2026; the Secretary of State's certified candidate list is the only verifiable source for Molly Donahue.