| # | County | Risk Index score |
|---|---|---|
| 1 | Salt Lake County | 98.6 |
| 2 | Utah County | 95.3 |
| 3 | Washington County | 92.8 |
| 4 | Davis County | 87.8 |
| 5 | Weber County | 87.0 |
| 6 | Cache County | 66.5 |
| 7 | Iron County | 61.4 |
| 8 | Summit County | 60.1 |
| 9 | Box Elder County | 55.9 |
| 10 | Tooele County | 48.9 |
| 11 | Kane County | 39.7 |
| 12 | Sanpete County | 38.6 |
| 13 | Garfield County | 37.6 |
| 14 | Wasatch County | 33.5 |
| 15 | San Juan County | 26.8 |
| 16 | Sevier County | 22.7 |
| 17 | Millard County | 22.2 |
| 18 | Juab County | 15.3 |
| 19 | Beaver County | 10.4 |
| 20 | Grand County | 10.3 |
| 21 | Carbon County | 8.7 |
| 22 | Duchesne County | 7.6 |
| 23 | Emery County | 7.0 |
| 24 | Uintah County | 4.0 |
| 25 | Daggett County | 3.7 |
Source: FEMA National Risk Index (December 2025). All counties with data are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Counties with the Highest Natural Hazard Risk in Utah”, https://gismap.land/rankings/utah/highest-risk-counties. Figures from FEMA National Risk Index (December 2025).
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