Elmore City is a town in Garvin County, Oklahoma, United States. This town is 58 miles south of Oklahoma City. The population was 738 at the time of the 2020 census, up from 697 at the 2010 census. It was named after J. O. Elmore. There are two main highways running through Elmore City. One of the Highways is Oklahoma State Highway 29, running west–east. The other is Oklahoma State Highway 74, running north–south.