Wyoming Population By County in 2017

Updated on January 27, 2024.

Based on the US Census Vintage data estimates, in 2017, the population of Wyoming was 579,994. Among all Wyoming counties, Laramie had the highest population (98,599), followed by Natrona (79,622), and Campbell (46,445). Niobrara was the least populated county (2,398).

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.

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Wyoming Population By County in 2017
Wyoming Population By County in 2017
County
Population
% of State Population
Laramie 98,599 17.00
Natrona 79,622 13.73
Campbell 46,445 8.01
Sweetwater 43,663 7.53
Fremont 39,865 6.87
Albany 38,600 6.66
Sheridan 30,222 5.21
Park 29,272 5.05
Teton 23,383 4.03
Uinta 20,449 3.53
Lincoln 19,334 3.33
Carbon 15,261 2.63
Converse 13,756 2.37
Goshen 13,384 2.31
Big Horn 11,888 2.05
Sublette 9,778 1.69
Platte 8,557 1.48
Johnson 8,457 1.46
Washakie 8,013 1.38
Crook 7,393 1.27
Weston 6,962 1.20
Hot Springs 4,693 0.81
Niobrara 2,398 0.41
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