Which county in Alaska has the lowest flood risk?

Aleutians West has the lowest flood risk in Alaska, at 0.0.

What is the flood risk in Aleutians West?

Aleutians West is ranked #1 in Alaska for flood risk, at 0.0.

What are the top counties in Alaska for flood risk?

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

How is this flood risk ranking calculated?

Counties in Alaska 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.

How does Alaska compare to the rest of the US for flood risk?

This list is Alaska only. See the national ranking of the lowest counties for flood risk at hearthmap.app/best/lowest-flood-risk.

Lowest Flood Risk Counties in Alaska (2026)

Lowest counties for flood risk in Alaska

Top 25 of 30 counties with data.

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

Lowest counties for flood risk in Alaska

Rank	County	Value
01	Aleutians West0.0 County page
02	Kusilvak0.0 County page
03	Aleutians East0.0 County page
04	Bristol Bay0.0 County page
05	Lake and Peninsula0.1 County page
06	Skagway0.8 County page
07	Yakutat1.6 County page
08	Wrangell3.6 County page
09	North Slope6.6 County page
10	Prince of Wales-Hyder8.8 County page
11	Haines10.7 County page
12	Dillingham11.5 County page
13	Petersburg12.6 County page
14	Anchorage12.9 County page
15	Yukon-Koyukuk13.0 County page
16	Kodiak Island13.7 County page
17	Northwest Arctic15.7 County page
18	Nome24.4 County page
19	Copper River25.0 County page
20	Fairbanks North Star27.2 County page
21	Matanuska-Susitna28.5 County page
22	Denali29.0 County page
23	Bethel38.5 County page
24	Southeast Fairbanks53.8 County page
25	Ketchikan Gateway60.2 County page

How this ranking works

This page ranks Alaska counties 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 county in Alaska has the lowest flood risk?: Aleutians West has the lowest flood risk in Alaska, at 0.0.
What is the flood risk in Aleutians West?: Aleutians West is ranked #1 in Alaska for flood risk, at 0.0.
What are the top counties in Alaska for flood risk?: Aleutians West (0.0), then Kusilvak (0.0), and Aleutians East (0.0). The full top 25 is in the table on this page.
How is this flood risk ranking calculated?: Counties in Alaska 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.
How does Alaska compare to the rest of the US for flood risk?: This list is Alaska only. See the national ranking of the lowest counties for flood risk at hearthmap.app/best/lowest-flood-risk.