Park County, Wyoming Park County, Wyoming Park County is a county in the U.S. state of Wyoming. As of the 2010 census, the population was 28,205. The county seat is Cody. Park County is a mecca for tourists. The county has the majority (more than 53%) of Yellowstone National Park's land area. Many attractions abound, including the Buffalo Bill Historical Center, the Cody Stampede Rodeo, and the western museum, Old Trail Town. Park County was created on February 15, 1909 with land detached from Big Horn County and organized in 1913. The county was named for Yellowstone National Park which is mostly within
Ralston, Wyoming $29,091 versus $28,333 for females. The per capita income for the CDP was $22,320. None of the population or families were below the poverty line. Ralston, Wyoming Ralston is a census-designated place (CDP) in Park County, Wyoming, United States. The population was 280 at the 2010 census. Ralston is located at (44.714544, -108.875598). According to the United States Census Bureau, the CDP has a total area of 5.6 square miles (14.6 km²), all of it land. Ralston post office was established March 16, 1907. As of the census of 2000, there were 233 people, 96 households, and 74 families residing