Blank map of Wyoming by county
All 23 counties of Wyoming, ready to print on Letter, Tabloid, A4 or A3, or to download as PNG and SVG. Free, no sign-up.
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Mapsfera · data US Census Bureau
Wyoming on the map
Wyoming has 23 counties; only 11 states have fewer. The largest is Sweetwater, with 10,427 sq mi of land, and the smallest is Hot Springs, with 2,004 sq mi: Sweetwater is about 5 times bigger.
The state capital, Cheyenne, is in Laramie County. The capital version marks it on the map.
Laramie County is the most populous, with 102,938 people in 2025, or 17% of the state. The least populous is Niobrara, with 2,341. Since 2020, Crook has grown the fastest (+9.3%) and Niobrara has lost the most (−5.1%).
What each county borders
Converse borders the most counties in the state: 8 (Albany, Campbell, Carbon, Johnson, Natrona, Niobrara, Platte, and Weston).
15 counties touch another state. 6 border Montana: Big Horn, Campbell, Crook, Park, Sheridan, and Teton. 4 border Colorado: Albany, Carbon, Laramie, and Sweetwater. 3 border South Dakota: Crook, Niobrara, and Weston. 3 border Nebraska: Goshen, Laramie, and Niobrara. 3 border Utah: Lincoln, Sweetwater, and Uinta. 2 border Idaho: Lincoln and Teton.
None has a coastline: Wyoming is landlocked.
Number key
Numbers follow alphabetical order, from 1 (Albany) to 23 (Weston). Area is land area, without lakes or sea, and population is the Census estimate for July 1, 2025; “Borders” counts neighboring counties in the same state.
| No. | County | Land area | Population (2025) | Borders |
|---|---|---|---|---|
| 1 | Albany | 4,274 sq mi | 38,558 | 4 |
| 2 | Big Horn | 3,137 sq mi | 12,024 | 4 |
| 3 | Campbell | 4,802 sq mi | 48,145 | 5 |
| 4 | Carbon | 7,898 sq mi | 14,013 | 5 |
| 5 | Converse | 4,255 sq mi | 13,824 | 8 |
| 6 | Crook | 2,854 sq mi | 7,852 | 2 |
| 7 | Fremont | 9,184 sq mi | 39,464 | 8 |
| 8 | Goshen | 2,226 sq mi | 12,640 | 3 |
| 9 | Hot Springs | 2,004 sq mi | 4,600 | 3 |
| 10 | Johnson | 4,154 sq mi | 8,908 | 6 |
| 11 | Laramie | 2,686 sq mi | 102,938 | 3 |
| 12 | Lincoln | 4,075 sq mi | 21,180 | 4 |
| 13 | Natrona | 5,341 sq mi | 80,526 | 5 |
| 14 | Niobrara | 2,626 sq mi | 2,341 | 4 |
| 15 | Park | 6,939 sq mi | 31,171 | 5 |
| 16 | Platte | 2,081 sq mi | 8,634 | 5 |
| 17 | Sheridan | 2,523 sq mi | 33,241 | 3 |
| 18 | Sublette | 4,886 sq mi | 8,929 | 4 |
| 19 | Sweetwater | 10,427 sq mi | 41,267 | 5 |
| 20 | Teton | 3,997 sq mi | 23,333 | 4 |
| 21 | Uinta | 2,082 sq mi | 20,728 | 2 |
| 22 | Washakie | 2,239 sq mi | 7,597 | 6 |
| 23 | Weston | 2,398 sq mi | 6,840 | 4 |
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Frequently asked questions
How many counties does Wyoming have?
23 counties. Only 11 states have fewer.
What is the largest county in Wyoming?
Sweetwater, with 10,427 sq mi of land. The smallest is Hot Springs, with 2,004 sq mi.
What is the most populous county in Wyoming?
Laramie County, with an estimated 102,938 people in 2025, or 17% of the state.
What county is Cheyenne in?
The state capital, Cheyenne, is in Laramie County.
Can I use it in class?
Yes, it’s free. Print it, copy it and hand it out as many times as you like. If you post it on a blog or a class website, credit “Mapsfera · data US Census Bureau”.
How do I print it on US Letter paper?
Choose Letter in “Paper size” and click “Download PDF”. In the print window, pick Letter paper and 100% scale (“Actual size”). For a bigger map, choose Tabloid (11 × 17 in) or A3.
What order are the numbers in?
Alphabetical, from 1 to the last one. That makes the key easy to follow when you grade, and it’s the same key the worksheet’s answer page uses.
Sources
- Boundaries: U.S. Census Bureau, Cartographic Boundary Files 2025, counties at 1:500,000 (public domain)
- Land and water area: U.S. Census Bureau (TIGER/Line and 2025 Gazetteer); population: Vintage 2025 estimates (July 1, 2025)
- State capital: Natural Earth, Populated Places (public domain); which counties it spans, Census places
- Neighbors, coastline and borders: calculated from those boundaries (and checked against the Census county adjacency file)