Polk Station opened on April 28, 1896, as part of the Metropolitan West Side Elevated Railroad's Douglas Park branch.[2] In 1983 the original station was demolished and rebuilt. A Dunkin' Donuts was added to the station in September 2004.[3]
^"Annual Ridership Report – Calendar Year 2022" (PDF). Chicago Transit Authority, Ridership Analysis and Reporting. February 2, 2023. Retrieved June 14, 2023.
^"Douglas Park Branch Opened". Chicago Daily Tribune. April 28, 1896. p. 5.