Wyoming Population 2024 Projection Data. The excel file contains population estimates for 2024. The most populous cities in wyoming are cheyenne with 65,168, casper at 58,720, gillette with 33,496, laramie at 32,152, and rock springs with 22,954.

While it is the 10th largest in terms of surface area, it has the lowest recorded population of any state in the union. According to a study conducted by the weldon cooper center for public service at the university of virginia, wyoming’s population is projected to expand by 5.2% between 2020.