Wyoming 2020 Census Total Population By County

The total population of Wyoming from the 2020 Census was 576,851, based on data from the US Census Bureau.

Laramie County was the most populated county (100,512), followed by Natrona County (79,955), and then Campbell County (47,026). On the other hand, the 3 counties that were least populated include: Niobrara County (2,467), Hot Springs County (4,621), and Weston County (6,838).

You can also see this information for other states and also for the national level by state.

Hover over or click on the counties to see the number and percentage of Wyoming population that lives in each county. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.