List of Wyoming (WY) counties in alphabetical order Skip to main content

List of Wyoming (WY) counties in alphabetical order

List of Wyoming counties in alphabetical order

Find out the list of Wyoming counties in alphabetical order, including their size, seats and numbers. The U.S. state of Wyoming has 23 counties; here is a detailed list in alphabetical order:

A

Albany County, WY

B

Big Horn County, WY

C

Campbell County, WY

Carbon County, WY

Converse County, WY 

Crook County, WY


F

Fremont County, WY

G

Goshen County, WY

H

Hot Springs County, WY


J

Johnson County, WY

L

Laramie County, WY

Lincoln County, WY


N

Natrona County, WY

Niobrara County, WY


P

Park County, WY

Platte County, WY


S

Sheridan County, WY

Sublette County, WY

Sweetwater County, WY

T

Teton County, WY

U

Uinta County, WY

W

Washakie County, WY

Weston County, WY


List of Wyoming counties in printable and scannable format 

A

Albany County, WY

B

Big Horn County, WY

C

Campbell County, WY; Carbon County, WY; Converse County, WY; Crook County, WY

F

Fremont County, WY

G

Goshen County, WY

H

Hot Springs County, WY

J

Johnson County, WY

L

Laramie County, WY; Lincoln County, WY

N

Natrona County, WY; Niobrara County, WY

P

Park County, WY, Platte County, WY

S

Sheridan County, WY; Sublette County, WY; Sweetwater County, WY

T

Teton County, WY

U

Uinta County, WY

W

Washakie County, WY; Weston County, WY


List of Wyoming counties and their county size 

Albany County, WY — 4,273.8 sq mi

Big Horn County, WY — 3,137.1 sq mi

Campbell County, WY — 4,802.7 sq mi

Carbon County, WY — 7,897.6 sq mi

Converse County, WY — 4,254.9 sq mi

Crook County, WY — 2,854.4 sq mi

Fremont County, WY — 9,183.8 sq mi

Goshen County, WY — 2,225.4 sq mi

Hot Springs County, WY — 2,004.0 sq mi

Johnson County, WY — 4,154.2 sq mi

Laramie County, WY — 2,685.9 sq mi

Lincoln County, WY — 4,076.1 sq mi

Natrona County, WY — 5,340.4 sq mi

Niobrara County, WY — 2,626.0 sq mi

Park County, WY — 6,942.1 sq mi

Platte County, WY — 2,111.0 sq mi

Sheridan County, WY — 2,524.0 sq mi

Sublette County, WY — 4,886.5 sq mi

Sweetwater County, WY — 10,426.6 sq mi

Teton County, WY — 3,995.4 sq mi

Uinta County, WY — 2,088.0 sq mi

Washakie County, WY — 2,238.6 sq mi

Weston County, WY — 2,398.1 sq mi


List of Wyoming counties and their county seats 

Albany County, WY — Laramie

Big Horn County, WY — Basin

Campbell County, WY — Gillette

Carbon County, WY — Rawlins

Converse County, WY — Douglas

Crook County, WY — Sundance

Fremont County, WY — Lander

Goshen County, WY — Torrington

Hot Springs County, WY — Thermopolis

Johnson County, WY — Buffalo

Laramie County, WY — Cheyenne

Lincoln County, WY — Kemmerer

Natrona County, WY — Casper

Niobrara County, WY — Lusk

Park County, WY — Cody

Platte County, WY — Wheatland

Sheridan County, WY — Sheridan

Sublette County, WY — Pinedale

Sweetwater County, WY — Green River

Teton County, WY — Jackson

Uinta County, WY — Evanston

Washakie County, WY — Worland

Weston County, WY — Newcastle


List of Wyoming counties by region 

Northwest Wyoming

Park County, WY 

Big Horn County, WY 

Hot Springs County, WY 

Washakie County, WY 

Teton County, WY 


Northeast Wyoming

Campbell County, WY 

Crook County, WY 

Johnson County, WY 

Sheridan County, WY 

Weston County, WY 


Southwest Wyoming

Lincoln County, WY 

Sublette County, WY 

Sweetwater County, WY 

Uinta County, WY 


Southeast Wyoming

Albany County, WY

Goshen County, WY 

Laramie County, WY 

Niobrara County, WY 

Platte County, WY 


Central Wyoming

Carbon County, WY 

Converse County, WY 

Fremont County, WY 

Natrona County, WY 

What is the largest county in Wyoming?

The largest county in Wyoming by land area is Sweetwater County which covers 10,426 square miles.

What is the smallest county in Wyoming?

The smallest county in Wyoming by land area is Hot Springs County, which covers 2,004 sq mi.