Wyoming Population By County in 2018
Updated on January 27, 2024.
According to the US Census Bureau population estimates, there were 579,054 people living in Wyoming in 2018. Laramie County was the most populated county with 99,264 residents, followed by Natrona County with 79,140 residents, and Campbell County with 46,349 residents. Niobrara County with a population of 2,403 was the least populated county in Wyoming in 2018.
Use the map below to interactively explore the population for each county in Wyoming in 2018. The data can also be explored further by sorting and filtering with the table below.
You can see similar information for other states and by state for the United States.
Related Topics: Wyoming Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
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Wyoming Population By County (2018)
Table of Wyoming Population By County in 2018
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| County | Population | % of State Population |
|---|---|---|
| Albany | 38,937 | 6.72% |
| Big Horn | 11,887 | 2.05% |
| Campbell | 46,349 | 8.00% |
| Carbon | 14,841 | 2.56% |
| Converse | 13,682 | 2.36% |
| Crook | 7,452 | 1.29% |
| Fremont | 39,656 | 6.85% |
| Goshen | 13,334 | 2.30% |
| Hot Springs | 4,554 | 0.79% |
| Johnson | 8,505 | 1.47% |
| Laramie | 99,264 | 17.14% |
| Lincoln | 19,537 | 3.37% |
| Natrona | 79,140 | 13.67% |
| Niobrara | 2,403 | 0.42% |
| Park | 29,309 | 5.06% |
| Platte | 8,571 | 1.48% |
| Sheridan | 30,277 | 5.23% |
| Sublette | 9,827 | 1.70% |
| Sweetwater | 43,188 | 7.46% |
| Teton | 23,261 | 4.02% |
| Uinta | 20,299 | 3.51% |
| Washakie | 7,886 | 1.36% |
| Weston | 6,895 | 1.19% |