Wyoming Counties by Population (2025)
by Kristen Carney 
Updated: August 7, 2025
The most populous counties in Wyoming are Laramie County with 101,783, Natrona County at 80,410, Campbell County with 47,946, Sweetwater County at 41,273, and Fremont County with 39,721. You can get the most current Census population data for all 23 Wyoming counties, sorted from the most populous counties in Wyoming to the least, according to the 2024 Population Estimates Program.
Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Wyoming counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!
| Rank | County | Population |
|---|---|---|
| 1 | Laramie County | 101,783 |
| 2 | Natrona County | 80,410 |
| 3 | Campbell County | 47,946 |
| 4 | Sweetwater County | 41,273 |
| 5 | Fremont County | 39,721 |
| 6 | Albany County | 39,288 |
| 7 | Sheridan County | 32,978 |
| 8 | Park County | 31,082 |
| 9 | Teton County | 23,272 |
| 10 | Lincoln County | 21,000 |
| 11 | Uinta County | 20,621 |
| 12 | Carbon County | 14,250 |
| 13 | Converse County | 13,766 |
| 14 | Goshen County | 12,635 |
| 15 | Big Horn County | 12,084 |
| 16 | Sublette County | 8,965 |
| 17 | Johnson County | 8,803 |
| 18 | Platte County | 8,512 |
| 19 | Crook County | 7,775 |
| 20 | Washakie County | 7,662 |
| 21 | Weston County | 6,866 |
| 22 | Hot Springs County | 4,625 |
| 23 | Niobrara County | 2,301 |
|
United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2024. Population Division. May 2025. |
||
Email Me When New Data Are Released
Join thousands of subscribers and receive just 2 (TWO!) emails a year in March and December when the US Census Bureau releases new population data for Wyoming counties.
Products & Services
Plumbing
Connect
- 1-800-939-2130
- Contact Us
© Copyright 2025 Cubit Planning, Inc.