Wyoming Population By County in 2013

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2013, the population of Wyoming was 582,620. Among all Wyoming counties, Laramie had the highest population (95,786), followed by Natrona (81,175), and Campbell (48,080). Niobrara was the least populated county (2,550).

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 2013
Wyoming Population By County in 2013
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County Population % of State Population
Albany 37619 6.46
Big Horn 11941 2.05
Campbell 48080 8.25
Carbon 15849 2.72
Converse 14369 2.47
Crook 7149 1.23
Fremont 40937 7.03
Goshen 13560 2.33
Hot Springs 4838 0.83
Johnson 8648 1.48
Laramie 95786 16.44
Lincoln 18342 3.15
Natrona 81175 13.93
Niobrara 2550 0.44
Park 29079 4.99
Platte 8712 1.50
Sheridan 29754 5.11
Sublette 10190 1.75
Sweetwater 45189 7.76
Teton 22335 3.83
Uinta 20969 3.60
Washakie 8417 1.45
Weston 7132 1.22