Flood Risk by County in Alaska

Alaska: 30 counties covered

Across 30 Alaska counties with a FEMA flood score, the average national percentile is 12.2, but that average hides real spread between counties, which is why each one gets its own page rather than a single statewide number.

• Anchorage Municipality, 28th percentile, Very Low
• Matanuska-Susitna Borough, 51.3th percentile, Relatively Low
• Fairbanks North Star Borough, 45.7th percentile, Relatively Low
• Kenai Peninsula Borough, 43.8th percentile, Relatively Low
• Juneau City and Borough, 38th percentile, Very Low
• Bethel Census Area, 9.6th percentile, No Rating
• Ketchikan Gateway Borough, 26th percentile, Very Low
• Kodiak Island Borough, 4.4th percentile, No Rating
• North Slope Borough, 2.6th percentile, No Rating
• Nome Census Area, 5.7th percentile, No Rating
• Sitka City and Borough, 34th percentile, Very Low
• Kusilvak Census Area, 0th percentile, No Rating
• Southeast Fairbanks Census Area, 9.4th percentile, Very Low
• Northwest Arctic Borough, 3.4th percentile, No Rating
• Chugach Census Area, 20.8th percentile, Very Low
• Prince of Wales-Hyder Census Area, 3.8th percentile, No Rating
• Aleutians West Census Area, 0th percentile, No Rating
• Yukon-Koyukuk Census Area, 6.6th percentile, Very Low
• Dillingham Census Area, 3.1th percentile, No Rating
• Aleutians East Borough, 0th percentile, No Rating
• Petersburg Borough, 1th percentile, No Rating
• Copper River Census Area, 1.9th percentile, No Rating
• Hoonah-Angoon Census Area, 22.8th percentile, Very Low
• Haines Borough, 0.8th percentile, No Rating
• Wrangell City and Borough, 0.4th percentile, No Rating
• Denali Borough, 1.5th percentile, Very Low
• Lake and Peninsula Borough, 0.2th percentile, No Rating
• Skagway Municipality, 0.3th percentile, No Rating
• Bristol Bay Borough, 0th percentile, No Rating
• Yakutat City and Borough, 0.3th percentile, No Rating