Platte, WY
Platte County in Wyoming has 2 FEMA disaster declarations on record covering 2010–2015, most recently Severe Storms and Flooding on Jul 7, 2015 (DR-4227). Its flood risk grade is A (Low risk), ranking #2508 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 Platte County
The 2 most recent federally declared disasters affecting Platte County, WY (2010–2015). Total declarations on record: 2.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Jul 7, 2015 | Flood | Severe Storms and Flooding | DR-4227 |
| Jul 14, 2010 | Flood | Flooding | DR-1923 |
Score Breakdown
The composite score of 9 is calculated from four weighted factors. See our methodology for details.
Other Counties in Wyoming
More Counties in Wyoming
Frequently Asked Questions
How many FEMA disaster declarations does Platte County, WY have?
Platte County, WY has 2 federal disaster declarations on FEMA record (2010–2015). The 2 most recent are: Severe Storms and Flooding (declared Jul 7, 2015, DR-4227); Flooding (declared Jul 14, 2010, DR-1923). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Platte County, WY?
Platte County is graded A (composite score 9/100, low risk). It ranks #2508 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 Platte County?
0 NFIP flood insurance claims have been filed in Platte County, WY, totaling $0 in payouts. The average claim is $0. Source: FEMA FimaNfipClaims v2 dataset.
Has Platte County, WY had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Platte County was Severe Storms and Flooding on Jul 7, 2015 (DR-4227). The county has 2 declared disasters in the OpenFEMA record covering 2010–2015.
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.