| Jon Murphy | American Planning Association Iowa Chapter | Undecided | GA89 |
| Tom Cope | American Planning Association Iowa Chapter | Undecided | GA89 |
| Jon Murphy | City of Cedar Falls | Undecided | GA89 |
| Tom Cope | City of Cedar Falls | Undecided | GA89 |
| Jon Murphy | City of Coralville | Undecided | GA89 |
| Tom Cope | City of Coralville | Undecided | GA89 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Opposing | GA89 |
| Matt Gronewald | Iowa Farm Bureau Federation | Opposing | GA89 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Opposing | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA89 |
| William Peterson | Iowa State Association of Counties | Supporting | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Supporting | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Supporting | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Supporting | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Supporting | GA89 |
| Victoria Sinclair | Iowans for Tax Relief | Undecided | GA89 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Supporting | GA89 |
| David Adelman | Metropolitan Coalition | Supporting | GA89 |
| Frank Chiodo | Metropolitan Coalition | Supporting | GA89 |
| Lillie Brady | Metropolitan Coalition | Supporting | GA89 |
| Matt Hinch | Metropolitan Coalition | Supporting | GA89 |
| Sara Allen | Metropolitan Coalition | Supporting | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Gary Grant | Urban County Coalition | Supporting | GA89 |
| Larry Murphy | Urban County Coalition | Supporting | GA89 |
| Meghan Malloy | Urban County Coalition | Supporting | GA89 |