According to the US Census Bureau population estimates, there were 577,601 people living in Wyoming in 2018. Laramie County was the most populated county with 98,865 residents, followed by Natrona County with 79,175 residents, and Campbell County with 46,299 residents. Niobrara County with a population of 2,400 was the least populated county in Wyoming in 2018.
Use the map below to interactively explore the population of each county in Wyoming in 2018. The data can also be explored further by sorting and filtering with the table below.
|County||Population||% of State Population|