Ada County Dispatch says the suspect demanded money from a teller at the Bank of the Cascades at Veterans Memorial Parkway and Adams Street. The suspect fled on foot prior to officers arrival.
Dispatch says he did not display a weapon.
The suspect is described as being a white man in his late 20s. He was wearing a red T-shirt with a black hooded sweatshirt and jeans. He used a green bandanna to cover his face during the robbery.
Garden City Police are continuing their investigation and request anyone with information to call the Crime Stoppers at (208) 343-COPS