Del City is a city in Oklahoma County, Oklahoma, United States, and a part of the Oklahoma City metropolitan area. The population was 21,822 at the United States Census, 2020, a 2.3% increase from 2010. 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.