Lewis, ID
Lewis County in Idaho has 4 FEMA disaster declarations on record covering 1964–2024, most recently Severe Storm, Flooding, Landslides, and Mudslides on Jun 10, 2024 (DR-4789). Its flood risk grade is A (Low risk), ranking #1900 of 3,277 U.S. counties, with 0 NFIP flood insurance claims totaling $0 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Lewis County
The 4 most recent federally declared disasters affecting Lewis County, ID (1964–2024). Total declarations on record: 4.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Jun 10, 2024 | Flood | Severe Storm, Flooding, Landslides, and Mudslides | DR-4789 |
| Jun 12, 2019 | Flood | Severe Storms, Flooding, Landslides, and Mudslides | DR-4443 |
| Sep 13, 2005 | Hurricane | Hurricane Katrina | DR-3244 |
| Dec 31, 1964 | Flood | Heavy Rains & Flooding | DR-186 |
Score Breakdown
The composite score of 10 is calculated from four weighted factors. See our methodology for details.
Other Counties in Idaho
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Elmore | A | 10 | 1 | 4 |
| Gooding | A | 10 | 0 | 4 |
| Benewah | A | 10 | 0 | 4 |
| Bonner | A | 10 | 0 | 4 |
| Clearwater | A | 10 | 0 | 5 |
| Kootenai | A | 10 | 2 | 5 |
More Counties in Idaho
Frequently Asked Questions
How many FEMA disaster declarations does Lewis County, ID have?
Lewis County, ID has 4 federal disaster declarations on FEMA record (1964–2024). The 4 most recent are: Severe Storm, Flooding, Landslides, and Mudslides (declared Jun 10, 2024, DR-4789); Severe Storms, Flooding, Landslides, and Mudslides (declared Jun 12, 2019, DR-4443); Hurricane Katrina (declared Sep 13, 2005, DR-3244); Heavy Rains & Flooding (declared Dec 31, 1964, DR-186). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Lewis County, ID?
Lewis County is graded A (composite score 10/100, low risk). It ranks #1900 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 Lewis County?
0 NFIP flood insurance claims have been filed in Lewis County, ID, totaling $0 in payouts. The average claim is $0. Source: FEMA FimaNfipClaims v2 dataset.
Has Lewis County, ID had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Lewis County was Severe Storm, Flooding, Landslides, and Mudslides on Jun 10, 2024 (DR-4789). The county has 4 declared disasters in the OpenFEMA record covering 1964–2024.
For this entity, the underlying data on this page comes from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
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.