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A

Unknown County, AK

Flood Risk Score: 8/100 · Rank #3194 of 3,277 counties

Unknown County County in Alaska has 0 FEMA disaster declarations on record. Its flood risk grade is A (Low risk), ranking #3194 of 3,277 U.S. counties, with 2 NFIP flood insurance claims totaling $0 in payouts. Flood risk is relatively low compared to the national average.

8
Risk Score
2
NFIP Claims
$0
Total Payouts
0
Disasters
$0
Avg Claim
2
Active Policies

Score Breakdown

The composite score of 8 is calculated from four weighted factors. See our methodology for details.

Claims Density
40%
0
Disaster Frequency
25%
0
Claim Severity
20%
0
Year-over-Year Trend
15%
50

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Frequently Asked Questions

How many FEMA disaster declarations does Unknown County County, AK have?

Unknown County County, AK has 0 federal disaster declarations on FEMA record. This count includes flood, severe storm, and other hazard declarations covering the county over the period tracked by the OpenFEMA DisasterDeclarationsSummaries dataset.

What is the flood risk grade for Unknown County County, AK?

Unknown County County is graded A (composite score 8/100, low risk). It ranks #3194 of 3,277 U.S. counties for flood risk in our scoring model. The grade combines NFIP claims density (40%), disaster frequency (25%), claim severity (20%), and year-over-year trend (15%).

How many NFIP flood insurance claims have been filed in Unknown County County?

2 NFIP flood insurance claims have been filed in Unknown County County, AK, totaling $0 in payouts. The average claim is $0. Source: FEMA FimaNfipClaims v2 dataset.

Has Unknown County County, AK had any recent flood disasters?

No FEMA disaster declarations are currently on record for the county. For the most recent declaration timeline, see FEMA's official Disaster Declarations Summaries at fema.gov.

The this entity record above pulls directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. What follows is the per-entity context — how this entity sits in the broader U.S. flood risk, NFIP claims, and disaster declarations distribution and which underlying factors drive the headline numbers.

The methodology behind every numeric value on this page is publicly documented on the FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.

For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. ZIPs, counties, and states with similar size, similar exposure, or similar geography — not the national-level summary alone.

Source: FEMA OpenFEMA datasets, 2026.