Clark is a community located approximately 30 miles north of Cody on Wyoming Highway 120, in Park County, Wyoming, United States. Clark is unincorporated, and has no specific central "town site" per se, or town services. It is included in the Powell Zip Code area, which is approximately 30 miles away, but has no other formal connection to Powell except the school district. Clark is an unincorporated community with close relationships among the roughly 300 full-time residents.