Barb Kniff McCulla (Republican), Zachary Mecham (Democratic) are on the November 3 ballot for Iowa Senate District 19. Not on the November ballot: Ken Rozenboom, the sitting member per the 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.
Barb Kniff McCulla · Republican▾
Barb Kniff McCulla is the Republican candidate for Iowa Senate District 19 on the November 3, 2026 ballot, per the Secretary of State's 2026 General Election candidate list. Kniff McCulla currently serves as the Iowa House member for District 37 and is running for the open Iowa Senate District 19 seat, succeeding Sen. Ken Rozenboom, per Newton Daily News. 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 Barb Kniff McCulla.
Zachary Mecham, the Democratic nominee for Iowa Senate District 19, is a Pleasantville-based entertainer and inventor who co-founded two statewide disability rights organizations, according to the Newton Daily News. He is an entrepreneur who has a disability himself. 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 Zachary Mecham.
Priorities: Access to Medicaid and vocational rehabilitation resources for people with disabilities, per Newton Daily News
Jason Sandholdt (Republican) is on the November 3 ballot for Iowa House District 37. Not on the November ballot: Barb Kniff McCulla, the sitting member per the 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.
Jason Sandholdt · Republican▾
Jason Sandholdt is the Republican candidate for Iowa House District 37 on the November 3, 2026 ballot, per the Secretary of State's 2026 General Election candidate list. Sandholdt is the Marion County Sheriff, first elected in 2013, and is a native of Oskaloosa who attended Central College, per Newton Daily News / KNIA KRLS Radio. 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 Jason Sandholdt.
Priorities: Being tough on crime · Supporting private businesses and their employees · Fiscally responsible funding of public safety and education (per the Newton Daily News)
Matthew Oleson (Republican), Brad Magg (Democratic) are on the November 3 ballot for Iowa House District 38. Not on the November ballot: Jon Dunwell, the sitting member per the 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.
Matthew Oleson · Republican▾
Matthew Oleson, the Republican nominee for Iowa House District 38, is a teacher at Berg Middle School in Newton and serves as pastor of Newburg Chester Church, according to the Newton Daily News. He has lived in Iowa for 35 years. 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 Matthew Oleson.
Brad Magg, the Democratic nominee for Iowa House District 38, is a lifelong Jasper County resident, small business owner and Colfax city councilman, according to the Newton Daily News. This is his second campaign for the seat. His campaign site says something must be done to save public education and that the district needs a voice that will listen.
Priorities: Supporting public education · Providing community representation and responsiveness at the state Capitol (per the campaign site)
These race previews show candidates we’re tracking now. A ZIP code shows your statewide and congressional races; a street address adds county and city contests. Local races are address-specific. This guide previews tracked contests, while the lookup tool narrows the list to a voter’s exact address. Tap any name to see the race, full candidate profiles, and everything else on your exact ballot.
Sample ballot by ZIP code in Jasper County
Each ZIP page previews the statewide and congressional races for that ZIP; add a street address in the lookup for county and city contests.
Note: Use address lookup for your exact ballot; local pages preview tracked races.Profiles: Hand-verified profiles are added race by race; always confirm with the official election office linked above.
