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.
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, Molly Donahue, is on the ballot.
Iowa › Linn County › Iowa Senate District 37
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 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 was found as of September 11, 2026; the Secretary of State's certified candidate list is the only verifiable source for Molly Donahue.
Who is running for Iowa Senate District 37 in 2026?
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.
When is the Iowa Senate District 37 election in Iowa?
Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Iowa are on the Iowa election hub at theballotbrief.com.
How do I see my exact Linn 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.
Candidate roster from official Linn County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.
Cross-check with the official Iowa election office, or see the full Linn County sample ballot and your exact ballot by address.
15 tracked races in Linn County, Iowa. Landed here from another county's search? Look up your own ballot below.