| Noah Hackbart | Better Ballot Iowa | Opposing | GA91 |
| Threase Harms | Better Ballot Iowa | Opposing | GA91 |
| Jeff Smith | Broadlawns Medical Center | Supporting | GA91 |
| Maggie Smith-Fitzgerald | Broadlawns Medical Center | Supporting | GA91 |
| Matt Fitzgerald | Broadlawns Medical Center | Supporting | GA91 |
| Robert Cook | Iowa Atheists and Freethinkers | Opposing | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Susan Fenton | Iowa Dept. of Transportation | Undecided | GA91 |
| Robert Ussery | Iowa Minuteman Civil Defense Corps | Supporting | GA91 |
| Eric Gookin | Iowa Secretary of State | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of County Auditors | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of County Auditors | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of County Auditors | Undecided | GA91 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA91 |
| Chloe Gayer | League of Women Voters of Iowa | Opposing | GA91 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA91 |
| Jessica Seelinger | League of Women Voters of Iowa | Opposing | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA91 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |