Ranking of Wyoming Counties By Population in 2019

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2019, the Population for Wyoming was 580.12K. Among all Wyoming counties, Laramie County had the highest population (99.87K), followed by Natrona County (79.73K), and Campbell County (46.42K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Wyoming counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Wyoming Counties By Population in 2019
Laramie
Natrona
Campbell
Sweetwater
Fremont
Albany
Sheridan
Park
Teton
Uinta
Ranking of Wyoming Counties By Population in 2019
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Rank County Population
1 Laramie County 99865
2 Natrona County 79734
3 Campbell County 46420
4 Sweetwater County 42917
5 Fremont County 39467
6 Albany County 38819
7 Sheridan County 30597
8 Park County 29192
9 Teton County 23385
10 Uinta County 20196
11 Lincoln County 19934
12 Carbon County 14832
13 Converse County 13865
14 Goshen County 13225
15 Big Horn County 11746
16 Sublette County 9867
17 Johnson County 8548
18 Platte County 8475
19 Washakie County 7824
20 Crook County 7573
21 Weston County 6880
22 Hot Springs County 4415
23 Niobrara County 2340