Portland police responded Monday to the report of a robbery at Trailhead Credit Union, located at 3904 N. Mississippi Ave.
Employees told police that the suspect used a demand note and obtained an undisclosed amount of cash.
The suspect left the credit union without incident.
Officers checked the neighborhood but did not locate anyone matching the suspect's description.
The suspect is described as an African-American male in his 20s, 5'10" tall, 140 pounds, short hair, mustache, wearing a blue sweatshirt and gray sweatpants.
Anyone with information about this incident is asked to contact detectives at (503) 823-0405.