Canadian County is a county located in the U.S. state of Oklahoma. As of the 2020 census, the population was 154,405, making it the fourth most populous county in Oklahoma. Its county seat is El Reno.
Grady County is a county located in the U.S. state of Oklahoma. As of the 2020 census, the population was 54,795. Its county seat is Chickasha. It was named for Henry W. Grady, an editor of the Atlant