Flag of Des Moines, Iowa
| Proportion | 1:2 |
|---|---|
| Adopted | April 15, 1974 |
| Design | A dark blue field with a red trapezoid at the hoist, with three horizontal white arched bridges running from the trapezoid to the end |
| Designed by | Walter T. Proctor |
The flag of Des Moines, Iowa, United States was designed by Walter T. Proctor. Set on a blue background is a red vertical stripe along the hoist with the right side of the stripe angling inward toward the hoist and a white balance of three horizontal "bridges".