Wyoming Citizen Population By County in 2017 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen population for Wyoming was 570,395 and represented 97.80% of the total Wyoming population.

Among all Wyoming counties, Laramie had the highest citizen population (95.38K), followed by Natrona (79.56K), and Campbell (47.21K).

In terms of percentages, Niobrara had the highest percentage of its population being citizens (100.00%), followed by Hot Springs (99.79%), and Fremont (99.36%).

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 Voting-age Population By County in 2017

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Wyoming Citizen Population By County in 2017

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County	Citizen Population	% of County Population
Laramie	95380	98.30
Natrona	79555	98.19
Campbell	47210	98.12
Sweetwater	42915	96.38
Fremont	40095	99.36
Albany	36155	95.28
Sheridan	29700	99.12
Park	28970	98.96
Teton	21055	91.84
Uinta	20350	98.03
Lincoln	18545	98.70
Carbon	14980	95.48
Converse	13990	98.77
Goshen	13250	98.29
Big Horn	11670	97.90
Sublette	9910	98.75
Platte	8565	98.39
Johnson	8465	98.89
Washakie	8140	98.61
Crook	7275	99.05
Weston	7010	98.52
Hot Springs	4730	99.79
Niobrara	2480	100.00