What Is The Population Of Wyoming 2024 By County. The most populated counties in the state of wyoming are laramie county and natrona county with respective populations of 98,327 and 79,547. The state’s 2022 population was 581,629.
The 0.4% growth bumped wyoming’s population up to 584,057 residents, a slightly lower rate than the 0.5% national average. Laramie county (100,512) is the most populous county in wyoming followed by natrona (79,547) cheyenne is the capital and most populous city of wyoming, with 65,132.