Which US county has the lowest flood risk?

Aleutians West, AK has the lowest flood risk in the United States, at 0.0.

What is the flood risk in Aleutians West, AK?

Aleutians West, AK is ranked #1 in the United States for flood risk, at 0.0.

What are the top US counties for flood risk?

Aleutians West, AK (0.0), then Kusilvak, AK (0.0), and Aleutians East, AK (0.0). The full top 25 is in the table on this page.

How is this flood risk ranking calculated?

Counties in the United States are ranked by flood risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first. Values describe the county, not an individual property. Source vintage is shown on the page.

Lowest Flood Risk Counties in the US (2026)

Lowest counties for flood risk in the United States

Top 25 of 3144 counties with data.

Ranked by flood risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first.

Lowest counties for flood risk in the United States

Rank	County	Value
01	Aleutians West, AK0.0 County page
02	Kusilvak, AK0.0 County page
03	Aleutians East, AK0.0 County page
04	Bristol Bay, AK0.0 County page
05	Lake and Peninsula, AK0.1 County page
06	Loving, TX0.8 County page
07	Skagway, AK0.8 County page
08	Yakutat, AK1.6 County page
09	McPherson, NE2.0 County page
10	Kenedy, TX3.0 County page
11	Wrangell, AK3.6 County page
12	Kent, TX4.9 County page
13	Roberts, TX5.3 County page
14	Logan, NE6.2 County page
15	King, TX6.6 County page
16	North Slope, AK6.6 County page
17	Briscoe, TX6.8 County page
18	Echols, GA6.9 County page
19	Arthur, NE7.5 County page
20	Tillman, OK7.6 County page
21	Davis, UT7.9 County page
22	Tooele, UT7.9 County page
23	Prince of Wales-Hyder, AK8.8 County page
24	Borden, TX9.5 County page
25	Lynn, TX9.5 County page

How this ranking works

This page ranks every US county by flood risk, sorted so the lowest places appear first. Click any county to see its housing, schools, crime, and demographics in detail.

For flood risk, a lower value is generally more favorable, so the top of the list is the lowest. Want to weigh flood risk against schools, taxes, commute, and more at once? Use the live map to build a custom match.

Data comes from public sources. Source attribution and the exact data vintage are shown above and on the full map of flood risk.

Frequently asked questions

Which US county has the lowest flood risk?: Aleutians West, AK has the lowest flood risk in the United States, at 0.0.
What is the flood risk in Aleutians West, AK?: Aleutians West, AK is ranked #1 in the United States for flood risk, at 0.0.
What are the top US counties for flood risk?: Aleutians West, AK (0.0), then Kusilvak, AK (0.0), and Aleutians East, AK (0.0). The full top 25 is in the table on this page.
How is this flood risk ranking calculated?: Counties in the United States are ranked by flood risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first. Values describe the county, not an individual property. Source vintage is shown on the page.

Map of flood risk

Lowest Flood Risk Counties in the US, state by state

The same ranking, scoped to a single state.

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Lowest counties for flood risk in the United States

How this ranking works

Frequently asked questions

Related

Lowest Flood Risk Counties in the US, state by state

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