Pontotoc County, Oklahoma, USA

Pontotoc County is in south-central Oklahoma, with the Canadian River forming its northern boundary. Ada is its county seat and principal population center, while smaller communities include Allen, Byng, Roff and Stonewall. The county was created at Oklahoma statehood in 1907 and takes its name from a historic Chickasaw area in Mississippi. Cattle production, limestone quarrying and cement manufacturing have helped shape its economic history. The county also contains a network of smaller towns and rural agricultural communities around Ada.