Illinois’ current flag incorporates the state’s official seal, which was adopted in 1869. The flag itself was adopted in 1915 ...

This image provided by the Illinois Secretary of State’s Office in March 2025 shows the top voted state flag design, the current flag. Illinois Secretary of State’s Office via AP SPRINGFIELD, Ill.

“Seal on a Bedsheet,” the derisive moniker with which some have burdened the Illinois state flag, a gleaming white banner emblazoned with the state's bald eagle-themed emblem.