2 candidates are tracked for Iowa House District 31 on the November 3, 2026 ballot: Kevin W. DuBay and Mary Madison. Candidate information follows official Polk County election filings; verify with the official election office linked below.
Kevin W. DuBay (Republican), Mary Madison (Democratic) are on the November 3 ballot for Iowa House District 31; Mary Madison 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, Mary Madison, is on the ballot.
Iowa › Polk County › Iowa House District 31
Kevin W. DuBay is the Republican candidate for Iowa House District 31, based in West Des Moines, according to the Des Moines Register. He is challenging incumbent Democratic Rep. Mary Madison. No campaign website was found as of September 11, 2026; the Secretary of State's certified candidate list is the only verifiable source for Kevin W. DuBay.
Top priorities
Per the campaign site.
Mary Madison is the sitting Iowa House Representative for District 31, covering West Des Moines and part of Dallas County, an ordained minister, school counselor and educator, per her campaign site.
Who is running for Iowa House District 31 in 2026?
2 candidates are tracked for Iowa House District 31 on the November 3, 2026 ballot: Kevin W. DuBay and Mary Madison. Candidate information follows official Polk County election filings; verify with the official election office linked below.
When is the Iowa House District 31 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 Polk 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 Polk 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 Polk County sample ballot and your exact ballot by address.
27 tracked races in Polk County, Iowa. Landed here from another county's search? Look up your own ballot below.