Wyoming Population By County in 2018

Updated on January 27, 2024.

Based on the US Census Vintage data estimates, in 2018, the population of Wyoming was 579,054. Among all Wyoming counties, Laramie had the highest population (99,264), followed by Natrona (79,140), and Campbell (46,349). Niobrara was the least populated county (2,403).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

See this for other years:
Wyoming Population By County in 2018
Wyoming Population By County in 2018
Items per page:
0 of 0
County Population % of State Population
Albany 38937 6.72
Big Horn 11887 2.05
Campbell 46349 8.00
Carbon 14841 2.56
Converse 13682 2.36
Crook 7452 1.29
Fremont 39656 6.85
Goshen 13334 2.30
Hot Springs 4554 0.79
Johnson 8505 1.47
Laramie 99264 17.14
Lincoln 19537 3.37
Natrona 79140 13.67
Niobrara 2403 0.42
Park 29309 5.06
Platte 8571 1.48
Sheridan 30277 5.23
Sublette 9827 1.70
Sweetwater 43188 7.46
Teton 23261 4.02
Uinta 20299 3.51
Washakie 7886 1.36
Weston 6895 1.19