Bocoyna Municipality  Bocoyna is one of the 67 municipalities of Chihuahua, in northern Mexico. The municipal seat lies at Bocoyna. The municipality covers an area of 2,801.8 km². As of 2010, the municipality had a total population of 28,766, down from 29,907 as of 2005. As of 2010, the town of Bocoyna had a population of 796. Other than the town of Bocoyna, the municipality had 633 localities, the largest of which (with 2010 populations in parentheses) were: San Juanito (10,535), classified as urban, and Creel (5,026) and Sisoguichi (1,097), classified as rural. The municipality and its seat are located on the route of the Chihuahua Pacific Railroad.