Flag of Michigan
| Use | Civil and state flag |
|---|---|
| Proportion | 2:3 |
| Adopted | August 1, 1911 |
| Design | A state coat of arms on a blue field. |
| Designed by | Caroline Campbell |
| Flag of the governor of Michigan | |
| Use | Flag of the governor of Michigan |
| Adopted | August 1, 1911 |
| Design | Coat of arms of Michigan on a white field |
The flag of the U.S. state of Michigan is a coat of arms set on a dark blue field, as set forth by Michigan state law. Michigan has had three state flags, and the current flag was adopted on August 1, 1911. The governor has a variant of the flag with a white field instead of blue one. The state has an official flag month from June 14 through July 14.