According to the US Census Bureau population estimates, there were 585,613 people living in Wyoming in 2015. Laramie County was the most populated county with 96,969 residents, followed by Natrona County with 82,137 residents, and Campbell County with 49,258 residents. Niobrara County with a population of 2,496 was the least populated county in Wyoming in 2015.
Use the map below to interactively explore the population of each county in Wyoming in 2015. The data can also be explored further by sorting and filtering with the table below.
|County||Population||% of State Population|