Utah Disaster Risk

Natural disaster risk data for all 29 counties.

Avg FEMA Rating

Very Low

Avg Percentile

36th

Counties with Data

of 29 total

Highest Risk Counties

Salt Lake County

Relatively High

99th percentile

Utah County

Relatively High

95th percentile

Washington County

Relatively Moderate

93th percentile

Davis County

Relatively Moderate

88th percentile

Weber County

Relatively Moderate

87th percentile

Lowest Risk Counties

Rich County

Very Low

1th percentile

Piute County

Very Low

1th percentile

Wayne County

Very Low

2th percentile

Morgan County

Very Low

3th percentile

Daggett County

Very Low

4th percentile

All Utah Counties

County	Percentile	FEMA Rating	Flood	Wildfire	Tornado	Earthquake
Salt Lake County	99th	Relatively High	92.9	98.3	71.0	99.6
Utah County	95th	Relatively High	90.5	98.9	52.6	98.8
Washington County	93th	Relatively Moderate	93.4	99.8	6.0	81.1
Davis County	88th	Relatively Moderate	59.5	90.6	34.4	98.0
Weber County	87th	Relatively Moderate	67.6	94.1	32.0	97.7
Cache County	67th	Relatively Low	45.8	85.3	21.2	94.6
Iron County	61th	Relatively Low	44.6	97.7	4.0	86.8
Summit County	60th	Relatively Low	49.6	96.5	13.6	55.5
Box Elder County	56th	Relatively Low	19.5	95.4	12.6	93.3
Tooele County	49th	Relatively Low	18.3	97.3	13.6	83.6
Kane County	40th	Very Low	56.4	88.0	1.6	37.9
Sanpete County	39th	Very Low	24.5	89.0	12.5	83.4
Garfield County	38th	Very Low	48.8	78.3	2.4	64.1
Wasatch County	34th	Very Low	32.3	94.2	11.8	59.0
San Juan County	27th	Very Low	24.0	82.3	5.4	55.7
Sevier County	23th	Very Low	22.1	78.6	5.2	87.0
Millard County	22th	Very Low	16.3	91.2	8.1	83.2
Juab County	15th	Very Low	4.8	91.0	7.1	79.3
Beaver County	10th	Very Low	8.0	85.3	1.7	74.4
Grand County	10th	Very Low	25.4	58.6	5.0	32.7
Carbon County	9th	Very Low	22.8	66.8	12.3	64.9
Duchesne County	8th	Very Low	15.3	80.4	7.0	60.0
Emery County	7th	Very Low	12.4	59.3	5.1	66.0
Uintah County	4th	Very Low	10.3	71.4	9.6	56.9
Daggett County	4th	Very Low	0.9	77.7	2.3	18.9
Morgan County	3th	Very Low	10.7	84.1	5.6	32.9
Wayne County	2th	Very Low	6.9	53.7	2.2	47.8
Piute County	1th	Very Low	3.4	58.7	1.3	49.2
Rich County	1th	Very Low	3.0	75.9	2.8	36.8

Frequently Asked Questions

Which county in Utah has the highest natural disaster risk?

Salt Lake County has the highest natural disaster risk in Utah, rated Relatively High (99th percentile nationally), based on FEMA National Risk Index data.

Which county in Utah is the safest from natural disasters?

Rich County has the lowest natural disaster risk in Utah, rated Very Low (1th percentile nationally), based on FEMA NRI data.

What natural disasters are most common in Utah?

Utah counties face varying levels of risk from floods, wildfires, tornadoes, earthquakes, and hurricanes. The FEMA National Risk Index scores each county across 18 hazard types. See individual county pages for detailed hazard breakdowns.

How is natural disaster risk measured by county?

The FEMA National Risk Index (NRI) measures natural disaster risk using expected annual loss, social vulnerability, and community resilience. Scores are normalized nationally, with ratings from Very Low to Very High across 18 natural hazard types.

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