Piedmont is a rapidly growing suburb in Canadian County, Oklahoma and is part of the Oklahoma City Metropolitan Area. As of 2006, the city is estimated to have a total population of 5,008. Piedmont is a modern Home Rule City served by a Council-Manager Government. Piedmont apartments for rent comparison page shows most up to date rent information on Piedmont apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.