Proctor is a census-designated place in Adair County, Oklahoma, United States. The population was 231 at the 2010 census.Proctor is located at 35°57′58″N 94°46′39″W / 35.96611°N 94.77750°W / 35.96611; -94.77750, in the valley of the Baron Fork, a tributary of the Illinois River of Oklahoma, part of the Arkansas River watershed. U.S. Route 62 runs through the center of the community, leading east 13 miles to Westville and west 14 miles to Tahlequah.According to the United States Census Bureau, the CDP has a total area of 8.5 square miles, of which 8.4 square miles is land and 0.077 square miles, or 0.77%, is water.