Wyoming Citizen Voting-age Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen voting-age population for Wyoming was 430,025 and represented 74.18% of the total Wyoming population.

Among all Wyoming counties, Laramie had the highest citizen voting-age population (71.31K), followed by Natrona (59.78K), and Campbell (33.59K).

In terms of percentages, Niobrara had the highest percentage of its population being citizens of voting-age (83.10%), followed by Albany (79.69%), and Platte (78.69%).

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 2015
Wyoming Citizen Voting-age Population By County in 2015
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County Citizen Voting-age Population % of County Population
Laramie 71310 74.72
Natrona 59780 74.72
Campbell 33585 69.95
Sweetwater 30965 69.17
Fremont 30205 74.11
Albany 29935 79.69
Sheridan 22960 77.20
Park 22510 77.66
Teton 16370 73.38
Uinta 14355 68.59
Lincoln 13055 71.28
Carbon 11380 72.30
Goshen 10620 78.41
Converse 10430 73.97
Big Horn 8670 72.89
Sublette 7415 73.31
Platte 6885 78.69
Johnson 6615 76.92
Washakie 6090 72.50
Weston 5580 78.04
Crook 5520 76.35
Hot Springs 3700 76.92
Niobrara 2090 83.10