often called "Quarterhorse Capital of the World" is a city in and the county seat of McClain County(pop.37,500), Oklahoma, United States; it also extends a small distance into Cleveland County. The population was 5,571 at the 2000 census and 10,880 residents in the zipcode (Bestplaces.net). Located along the I-35 Corridor in the central part of the state, on a bluff overlooking the Canadian River valley, within the Interior Plains region. It is part of a trade area of 45,600 (Bestplaces.net) and is part of the 7 county central Oklahoma/Oklahoma City Metropolitan Area and is closely tied to neighbor city to the north Norman, site of the University of Oklahoma campus. The official motto and registered trademark is "Heart of Oklahoma"
According to the United States Census Bureau, the city has a total area of 10.4 square miles (26.9 km²), of which, 9.9 square miles (25.8 km²) of it is land and 0.4 square miles (1.1 km²) of it (4.24%) is water.
The central core of Purcell is located at the intersection of US-77 and OK-74/OK-39. Access to I-35 is at the north and south ends of the town.