Wyoming Citizen Population By County in 2010 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2010, the citizen population for Wyoming was 534,805 and represented 98.03% of the total Wyoming population.

Among all Wyoming counties, Laramie had the highest citizen population (88.10K), followed by Natrona (72.79K), and Campbell (42.11K).

In terms of percentages, Niobrara had the highest percentage of its population being citizens (99.79%), followed by Weston (99.72%), and Platte (99.71%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

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

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Wyoming Citizen Population By County in 2010
Wyoming Citizen Population By County in 2010
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County Citizen Population % of County Population
Laramie 88095 98.74
Natrona 72790 99.01
Campbell 42110 97.52
Sweetwater 40325 95.41
Fremont 38565 99.20
Albany 33610 96.24
Sheridan 28175 99.28
Park 27240 98.79
Uinta 20145 98.10
Teton 19135 92.00
Lincoln 17130 98.19
Carbon 15365 98.34
Converse 13325 99.40
Goshen 12765 99.38
Big Horn 11175 97.60
Sublette 9070 97.32
Platte 8630 99.71
Johnson 8175 98.44
Washakie 8105 98.01
Weston 7045 99.72
Crook 6740 99.70
Hot Springs 4670 98.94
Niobrara 2425 99.79