23 counties
| County | Declarations | Major disasters | Most common hazard | Latest | Population 2024 |
|---|---|---|---|---|---|
| Albany County | 10 | 3 | Fire | 2020 | 39,288 |
| Natrona County | 8 | 3 | Fire | 2023 | 80,410 |
| Platte County | 8 | 5 | Fire | 2024 | 8,512 |
| Crook County | 7 | 4 | Biological | 2020 | 7,775 |
| Johnson County | 7 | 5 | Fire | 2024 | 8,803 |
| Sheridan County | 7 | 3 | Fire | 2024 | 32,978 |
| Weston County | 7 | 4 | Biological | 2020 | 6,866 |
| Campbell County | 6 | 4 | Biological | 2024 | 47,946 |
| Fremont County | 6 | 4 | Biological | 2020 | 39,721 |
| Carbon County | 5 | 2 | Fire | 2020 | 14,250 |
| Converse County | 5 | 2 | Biological | 2020 | 13,766 |
| Goshen County | 5 | 4 | Biological | 2020 | 12,635 |
| Laramie County | 5 | 3 | Biological | 2024 | 101,783 |
| Lincoln County | 5 | 2 | Biological | 2020 | 21,000 |
| Niobrara County | 5 | 4 | Biological | 2020 | 2,301 |
| Teton County | 5 | 3 | Biological | 2020 | 23,272 |
| Uinta County | 5 | 2 | Biological | 2020 | 20,621 |
| Washakie County | 5 | 4 | Biological | 2020 | 7,662 |
| Big Horn County | 4 | 3 | Biological | 2020 | 12,084 |
| Hot Springs County | 4 | 2 | Biological | 2025 | 4,625 |
| Park County | 4 | 3 | Biological | 2020 | 31,082 |
| Sublette County | 4 | 1 | Biological | 2020 | 8,965 |
| Sweetwater County | 4 | 2 | Biological | 2020 | 41,273 |