Wyoming County Map With Cities
Complete list of all 23 counties in Wyoming with population, area, and median income — plus a free printable blank map.
Tap or click any county for details. Need a printable version? Blank Wyoming county map (PDF/PNG/SVG).
All 23 Wyoming counties
| County | Largest City | Population ▼ | Area | Median Income | Cities |
|---|---|---|---|---|---|
| Laramie | Cheyenne | 101,086 | 2,686 mi² | $82,408 | 10 |
| Natrona | Casper | 79,937 | 5,340 mi² | $73,043 | 10 |
| Campbell | Gillette | 47,379 | 4,803 mi² | $92,201 | 6 |
| Sweetwater | Rock Springs | 41,542 | 10,427 mi² | $75,707 | 11 |
| Fremont | Riverton | 39,533 | 9,184 mi² | $65,242 | 13 |
| Albany | Laramie | 38,172 | 4,274 mi² | $62,705 | 7 |
| Sheridan | Sheridan | 32,087 | 2,524 mi² | $74,354 | 11 |
| Park | Cody | 31,321 | 6,942 mi² | $72,851 | 7 |
| Teton | Jackson | 22,928 | 3,995 mi² | $128,044 | 7 |
| Lincoln | Afton | 20,316 | 4,076 mi² | $94,821 | 15 |
| Carbon | Rawlins | 14,353 | 7,898 mi² | $70,657 | 12 |
| Converse | Douglas | 13,805 | 4,255 mi² | $81,648 | 4 |
| Goshen | Torrington | 12,552 | 2,225 mi² | $60,177 | 9 |
| Big Horn | Lovell | 11,272 | 3,137 mi² | $66,983 | 12 |
| Sublette | Pinedale | 8,838 | 4,887 mi² | $95,053 | 6 |
| Platte | Wheatland | 8,725 | 2,084 mi² | $71,066 | 5 |
| Johnson | Buffalo | 8,545 | 4,154 mi² | $68,014 | 4 |
| Washakie | Worland | 7,855 | 2,239 mi² | $65,153 | 2 |
| Crook | Moorcroft | 7,140 | 2,854 mi² | $78,356 | 7 |
| Weston | Newcastle | 7,021 | 2,398 mi² | $87,630 | 4 |
| Uinta | Lyman | 6,254 | 2,081 mi² | $114,108 | 6 |
| Hot Springs | Thermopolis | 4,610 | 2,004 mi² | $62,310 | 2 |
| Niobrara | Lusk | 2,289 | 2,626 mi² | $61,787 | 4 |
How many counties does Wyoming have?
Wyoming has 23 counties covering 97,093 square miles and roughly 577,719 residents. The state was admitted to the Union in 1890 as the 44th state, and the current county boundaries reflect more than a century of administrative subdivision.
The largest county by land area is Sweetwater County at 10,427 square miles, home to about 41,542 residents. The most populous is Laramie County with approximately 101,086 residents — a density of about 38 people per square mile.
At the other end of the scale, Niobrara County has only about 2,289 residents.
Cheyenne is both the state capital and the largest city in Wyoming.
Related resources
Download a printable outline of Wyoming’s county boundaries from our blank map of Wyoming page — available in SVG, PNG, and PDF.
Use the What County Am I In? tool to detect which Wyoming county a GPS location or address falls in, or the Address to County Lookup for batch input.
For demographic radius analysis, the Find ZIP Codes in Radius and Population Within Radius tools let you draw a circle around any Wyoming address and see every ZIP code and the total population inside.
Two SimpleMapLab studies cover Wyoming specifically: the 100-mile radius around Cheyenne measures how much of the state lives within 100 miles of its capitol, and the loneliest town in Wyoming ranks the state’s most isolated inhabited place. The county-counts blog post puts Wyoming’s 23 counties in national context.
Frequently asked questions
Population and demographics are aggregated from ZIP-code-level US Census data via the SimpleMaps dataset. Countiesboundaries are from the US Atlas TopoJSON build of the Census Bureau’s TIGER/Line shapefiles. Land area is from the Census Gazetteer. State counts follow the US Census Bureau’s definition of counties and county-equivalents (50 states + DC = 3,144). All sources are public domain.