Wyoming Population 2024. Wyoming has a land area of 97,063.0 square miles and a water area of 720.9 square miles. The wyoming county with the highest population growth since the 2010 census is teton county, which grew by 8.38%.
It is also the second most sparsely populated. The current population of cheyenne, wyoming is 65,141 based on our projections of the latest us census estimates (released may 2024).