Wyoming Population By County in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the population of Wyoming was 577,664. Among all Wyoming counties, Laramie had the highest population (100,730), followed by Natrona (80,299), and Campbell (47,147). Niobrara was the least populated county (2,454).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

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

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Wyoming Population By County in 2020
Wyoming Population By County in 2020
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County Population % of State Population
Albany 37112 6.42
Big Horn 11484 1.99
Campbell 47147 8.16
Carbon 14509 2.51
Converse 13746 2.38
Crook 7178 1.24
Fremont 39202 6.79
Goshen 12515 2.17
Hot Springs 4621 0.80
Johnson 8467 1.47
Laramie 100730 17.44
Lincoln 19658 3.40
Natrona 80299 13.90
Niobrara 2454 0.43
Park 29669 5.14
Platte 8631 1.49
Sheridan 31000 5.37
Sublette 8736 1.51
Sweetwater 42197 7.31
Teton 23379 4.05
Uinta 20457 3.54
Washakie 7657 1.33
Weston 6816 1.18