Data / Rankings / Population / Counties in Wyoming

Counties in Wyoming by population

Laramie County had the highest population of 23 counties in 2024, at 101,687. Niobrara County had the lowest, at 2,315. The median was 14,084 and the figure for Wyoming was 586,722. Source: the U.S. Census Bureau.

Highest101,687Laramie County
Lowest2,315Niobrara County
Median14,08423 counties
Wyoming586,722History

All counties, 2024

CSVChart (SVG)

Laramie CountyLaramie County: 101,687 persons101,687Natrona CountyNatrona County: 80,271 persons80,271Campbell CountyCampbell County: 48,092 persons48,092Sweetwater CountySweetwater County: 41,350 persons41,350Fremont CountyFremont County: 39,664 persons39,664Albany CountyAlbany County: 38,545 persons38,545Sheridan CountySheridan County: 32,933 persons32,933Park CountyPark County: 31,107 persons31,107Teton CountyTeton County: 23,345 persons23,345Lincoln CountyLincoln County: 20,988 persons20,988Uinta CountyUinta County: 20,653 persons20,653Carbon CountyCarbon County: 14,084 persons14,084Converse CountyConverse County: 13,790 persons13,790Goshen CountyGoshen County: 12,639 persons12,639Big Horn CountyBig Horn County: 12,014 persons12,014Sublette CountySublette County: 8,949 persons8,949Johnson CountyJohnson County: 8,829 persons8,829Platte CountyPlatte County: 8,563 persons8,563Crook CountyCrook County: 7,791 persons7,791Washakie CountyWashakie County: 7,637 persons7,637Weston CountyWeston County: 6,870 persons6,870Hot Springs CountyHot Springs County: 4,606 persons4,606Niobrara CountyNiobrara County: 2,315 persons2,315
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2024
persons		Change on 2023
1Laramie County101,687+0.7%
2Natrona County80,271+0.4%
3Campbell County48,092+1.1%
4Sweetwater County41,350+0.1%
5Fremont County39,664-0.2%
6Albany County38,545+0.5%
7Sheridan County32,933+1%
8Park County31,107+0.9%
9Teton County23,345-0%
10Lincoln County20,988+0.5%
11Uinta County20,653-0.2%
12Carbon County14,084-1.5%
13Converse County13,790-0.6%
14Goshen County12,639-0.2%
15Big Horn County12,014-0.2%
16Sublette County8,949-0.2%
17Johnson County8,829+0.3%
18Platte County8,563-0.5%
19Crook County7,791+2.6%
20Washakie County7,637-1.2%
21Weston County6,870+0.6%
22Hot Springs County4,606-1%
23Niobrara County2,315-0.2%

Other periods

About this ranking

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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Questions

Which county has the highest population?

Laramie County, with 101,687 in 2024, according to the U.S. Census Bureau.

Which county has the lowest population?

Niobrara County, with 2,315 in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). Retrieved 2026-10-08.

Population: other rankings

Counties in Wyoming: more rankings