Utah Natural Disaster Risk by County
FEMA National Risk Index rankings for all 29 counties
Utah spans 29 counties with an average FEMA National Risk Index score of 36.2 (low risk) and roughly $1.58B in combined expected annual loss statewide. 2 counties are rated High or Very High risk.
Leading the state for risk is Salt Lake County (score 98.6, high), while Rich County (score 0.8) carries the lowest. Use the table below to compare every county by score, top hazard, and expected annual loss.
County Rankings
| # | County | Risk Score | Risk Rating | Top Hazard | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Salt Lake County | High | Earthquake | $622M | |
| 2 | Utah County | High | Lightning | $288M | |
| 3 | Washington County | Medium | Wildfire | $148M | |
| 4 | Davis County | Medium | Earthquake | $128M | |
| 5 | Weber County | Medium | Earthquake | $104M | |
| 6 | Cache County | Low | Earthquake | $39M | |
| 7 | Iron County | Low | Wildfire | $31M | |
| 8 | Summit County | Low | Avalanche | $39M | |
| 9 | Box Elder County | Low | Wildfire | $31M | |
| 10 | Tooele County | Low | Wildfire | $26M | |
| 11 | Kane County | Very Low | Landslide | $14M | |
| 12 | Sanpete County | Very Low | Avalanche | $12M | |
| 13 | Garfield County | Very Low | Landslide | $10M | |
| 14 | Wasatch County | Very Low | Landslide | $17M | |
| 15 | San Juan County | Very Low | Landslide | $5M | |
| 16 | Sevier County | Very Low | Earthquake | $10M | |
| 17 | Millard County | Very Low | Winter Weather | $7M | |
| 18 | Juab County | Very Low | Wildfire | $9M | |
| 19 | Beaver County | Very Low | Landslide | $5M | |
| 20 | Grand County | Very Low | Lightning | $5M | |
| 21 | Carbon County | Very Low | Landslide | $5M | |
| 22 | Duchesne County | Very Low | Landslide | $5M | |
| 23 | Emery County | Very Low | Lightning | $4M | |
| 24 | Uintah County | Very Low | Landslide | $4M | |
| 25 | Daggett County | Very Low | Avalanche | $2M | |
| 26 | Morgan County | Very Low | Landslide | $5M | |
| 27 | Wayne County | Very Low | Landslide | $2M | |
| 28 | Piute County | Very Low | Landslide | $1M | |
| 29 | Rich County | Very Low | Landslide | $2M |
All 29 Utah counties, ranked by FEMA National Risk Index score.
Frequently Asked Questions
Which Utah county has the highest natural disaster risk?
Salt Lake County has the highest FEMA National Risk Index score in Utah at 98.6 (High), driven largely by earthquake.
What is the average natural disaster risk in Utah?
Utah counties average a National Risk Index score of 36.2 across 29 counties, with 2 rated High or Very High risk.
How much are expected annual losses across Utah?
FEMA estimates roughly $1.58B in combined expected annual loss from natural hazards across all Utah counties.