​Oakbrook Terrace is a city in DuPage County, Illinois, and is a suburb of Chicago.  The population was 2,119 as of May 11, 2019.   It is the smallest town in DuPage County, in terms of area and population.  Mobility City of DuPage County recognizes the need for mobility equipment repair service, rentals and sales throughout the city of Oakbrook Terrace and beyond.  Mobility City has unsurpassed expertise with wheelchairs, mobility scooters, power chairs, lift chairs, and hospital beds.  Mobility City of DuPage County is in Lombard, Illinois, which is about 4.5 miles west of Oakbrook Terrace.  Call us at (331) 462-0144.