Del City is a city in Oklahoma County, Oklahoma, United States, and a part of the Oklahoma City metropolitan area. The population was 21,332 at the 2010 census. Del City is located near two major interstate highways, both of which connect it to Oklahoma City. Interstate 40 bisects the town from the northwest to southeast, and Interstate 35 lies just a short distance west of the city. The city borders southeast Oklahoma City, Midwest City and Tinker Air Force Base.