Wyoming Citizen Voting-age Population By County in 2021 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for Wyoming was 431,005 and represented 74.74% of the total Wyoming population.

Among all Wyoming counties, Laramie had the highest citizen voting-age population (75.19K), followed by Natrona (59.47K), and Campbell (33.18K).

In terms of percentages, Platte had the highest percentage of its population being citizens of voting-age (80.54%), followed by Niobrara (80.48%), and Albany (79.40%).

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

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

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Wyoming Citizen Voting-age Population By County in 2021
Wyoming Citizen Voting-age Population By County in 2021
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County Citizen Voting-age Population % of County Population
Laramie 75190 75.26
Natrona 59470 74.92
Campbell 33180 70.96
Sweetwater 30055 70.78
Albany 29625 79.40
Fremont 29140 73.89
Sheridan 23755 77.10
Park 23170 78.11
Teton 17275 74.08
Uinta 14205 69.24
Lincoln 13960 71.76
Carbon 10855 73.77
Converse 10105 73.76
Goshen 9950 78.72
Big Horn 8495 72.79
Platte 6930 80.54
Sublette 6690 75.76
Johnson 6530 77.23
Washakie 5995 77.16
Weston 5415 78.59
Crook 5310 73.90
Hot Springs 3710 79.36
Niobrara 2000 80.48