Cowlitz, WA
Cowlitz County in Washington has 12 FEMA disaster declarations on record covering 1964–2026, most recently Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides on Apr 7, 2026 (DR-4906). Its flood risk grade is A (Low risk), ranking #1843 of 3,277 U.S. counties, with 7 NFIP flood insurance claims totaling $85,207 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Cowlitz County
The 12 most recent federally declared disasters affecting Cowlitz County, WA (1964–2026). Total declarations on record: 12.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Apr 7, 2026 | Flood | Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides | DR-4906 |
| Mar 29, 2022 | Flood | Severe Winter Storms, Snowstorms, Straight-Line Winds, Floodin | DR-4650 |
| Feb 2, 2016 | Flood | Severe Winter Storm, Straight-Line Winds, Flooding, Landslides, Mudslides, and A T | DR-4253 |
| Jan 30, 2009 | Flood | Severe Winter Storm, Landslides, Mudslides, and Flooding | DR-1817 |
| Sep 7, 2005 | Coastal Storm | Hurricane Katrina Evacuation | DR-3227 |
| Feb 9, 1996 | Flood | High Winds, Severe Storms and Flooding | DR-1100 |
| Dec 15, 1986 | Flood | Severe Storms & Flooding | DR-784 |
| Mar 19, 1986 | Flood | Heavy Rains, Landslides & Flooding | DR-762 |
| Dec 10, 1977 | Flood | Severe Storms,mudslides, & Flooding | DR-545 |
| Dec 13, 1975 | Flood | Severe Storms & Flooding | DR-492 |
| Feb 1, 1972 | Flood | Severe Storms & Flooding | DR-322 |
| Dec 29, 1964 | Flood | Heavy Rains & Flooding | DR-185 |
Score Breakdown
The composite score of 10 is calculated from four weighted factors. See our methodology for details.
Other Counties in Washington
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Franklin | A | 10 | 0 | 4 |
| Okanogan | A | 10 | 4 | 4 |
| San Juan | A | 10 | 1 | 5 |
| Walla Walla | A | 10 | 5 | 5 |
| Lincoln | A | 10 | 0 | 5 |
| Stevens | A | 10 | 1 | 4 |
More Counties in Washington
Frequently Asked Questions
How many FEMA disaster declarations does Cowlitz County, WA have?
Cowlitz County, WA has 12 federal disaster declarations on FEMA record (1964–2026). The 5 most recent are: Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides (declared Apr 7, 2026, DR-4906); Severe Winter Storms, Snowstorms, Straight-Line Winds, Floodin (declared Mar 29, 2022, DR-4650); Severe Winter Storm, Straight-Line Winds, Flooding, Landslides, Mudslides, and A T (declared Feb 2, 2016, DR-4253); Severe Winter Storm, Landslides, Mudslides, and Flooding (declared Jan 30, 2009, DR-1817); Hurricane Katrina Evacuation (declared Sep 7, 2005, DR-3227). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Cowlitz County, WA?
Cowlitz County is graded A (composite score 10/100, low risk). It ranks #1843 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 Cowlitz County?
7 NFIP flood insurance claims have been filed in Cowlitz County, WA, totaling $85,207 in payouts. The average claim is $12,172. Source: FEMA FimaNfipClaims v2 dataset.
Has Cowlitz County, WA had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Cowlitz County was Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides on Apr 7, 2026 (DR-4906). The county has 12 declared disasters in the OpenFEMA record covering 1964–2026.
this entity is one of the data points covered by this site’s U.S. flood risk, NFIP claims, and disaster declarations dataset. The detail above comes directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the context that follows situates the headline numbers against the broader distribution across U.S. ZIPs, counties, and states.
Every number on this page links back to FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. ZIPs, counties, and states. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: FEMA OpenFEMA datasets, 2026.