| Kate Walton | City of Bettendorf | Undecided | GA89 |
| Matt Eide | City of Bettendorf | Undecided | GA89 |
| Gary Grant | City of Cedar Rapids | Supporting | GA89 |
| Gary Grant | City of Cedar Rapids | Withdrawn | GA89 |
| Gary Grant | City of Cedar Rapids | Undecided | GA89 |
| Larry Murphy | City of Cedar Rapids | Supporting | GA89 |
| Larry Murphy | City of Cedar Rapids | Withdrawn | GA89 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA89 |
| Meghan Malloy | City of Cedar Rapids | Supporting | GA89 |
| Meghan Malloy | City of Cedar Rapids | Withdrawn | GA89 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA89 |
| Alex Hassel | City of Des Moines | Supporting | GA89 |
| Doug Struyk | City of Des Moines | Supporting | GA89 |
| Jen Schulte | City of Des Moines | Supporting | GA89 |
| Jennifer Dorman | City of Des Moines | Supporting | GA89 |
| Jim Carney | City of Des Moines | Supporting | GA89 |
| Doug Struyk | City of Iowa City | Supporting | GA89 |
| Jennifer Dorman | City of Iowa City | Supporting | GA89 |
| Jim Carney | City of Iowa City | Supporting | GA89 |
| Doug Struyk | City of Waukee | Supporting | GA89 |
| Jennifer Dorman | City of Waukee | Supporting | GA89 |
| Jim Carney | City of Waukee | Supporting | GA89 |
| Joseph Buffington | County Planning and Zoning Officials of Iowa | Undecided | GA89 |
| Bob Rafferty | Epilepsy Foundation Iowa | Supporting | GA89 |
| Bob Rafferty | Epilepsy Foundation Iowa | Undecided | GA89 |
| Hannah McDowell | Epilepsy Foundation Iowa | Supporting | GA89 |
| Hannah McDowell | Epilepsy Foundation Iowa | Undecided | GA89 |
| Nick Laning | Epilepsy Foundation Iowa | Supporting | GA89 |
| Nick Laning | Epilepsy Foundation Iowa | Undecided | GA89 |
| Threase Harms | Epilepsy Foundation Iowa | Supporting | GA89 |
| Threase Harms | Epilepsy Foundation Iowa | Undecided | GA89 |
| Hannah McDowell | Grow Clinton County | Undecided | GA89 |
| Nick Laning | Grow Clinton County | Undecided | GA89 |
| Threase Harms | Grow Clinton County | Undecided | GA89 |
| Nick Laning | Iowa Emergency Management Association | Undecided | GA89 |
| Threase Harms | Iowa Emergency Management Association | Undecided | GA89 |
| Cyndi Pederson | Iowa Firefighters Association (IFA) | Supporting | GA89 |
| John Pederson | Iowa Firefighters Association (IFA) | Supporting | GA89 |
| Alan Kemp | Iowa League of Cities | Supporting | GA89 |
| Daniel Stalder | Iowa League of Cities | Supporting | GA89 |
| Robert Palmer | Iowa League of Cities | Supporting | 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 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA89 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA89 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA89 |
| Logan Murray | Marion County Board of Supervisors | Undecided | GA89 |
| Troy Skinner | Marion County Board of Supervisors | Undecided | GA89 |
| David Adelman | Metropolitan Coalition | Undecided | GA89 |
| Frank Chiodo | Metropolitan Coalition | Undecided | GA89 |
| Matt Hinch | Metropolitan Coalition | Undecided | GA89 |
| Sara Allen | Metropolitan Coalition | Undecided | GA89 |
| Hannah McDowell | Prevent Blindness Iowa | Undecided | GA89 |
| Nick Laning | Prevent Blindness Iowa | Undecided | GA89 |
| Threase Harms | Prevent Blindness Iowa | Undecided | GA89 |
| Preston Moore | The Humane Society of the United States | Supporting | GA89 |
| Gary Grant | Urban County Coalition | Undecided | GA89 |
| Larry Murphy | Urban County Coalition | Undecided | GA89 |
| Meghan Malloy | Urban County Coalition | Undecided | GA89 |