Siskiyou, CA
Siskiyou County in California has 8 FEMA disaster declarations on record covering 1964–2023, most recently Tropical Storm Hilary on Nov 21, 2023 (DR-4750). Its flood risk grade is A (Low risk), ranking #1182 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 Siskiyou County
The 8 most recent federally declared disasters affecting Siskiyou County, CA (1964–2023). Total declarations on record: 8.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Nov 21, 2023 | Hurricane | Tropical Storm Hilary | DR-4750 |
| Jan 14, 2023 | Flood | Severe Winter Storms, Flooding, Landslides, and Mudslides | DR-4683 |
| Apr 1, 2017 | Flood | Severe Winter Storms, Flooding, and Mudslides | DR-4308 |
| Sep 13, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3248 |
| Feb 3, 1993 | Flood | Severe Winter Storm, MUD & Land Slides, & Flooding | DR-979 |
| Jan 25, 1974 | Flood | Severe Storms & Flooding | DR-412 |
| Feb 16, 1970 | Flood | Severe Storms & Flooding | DR-283 |
| Dec 24, 1964 | Flood | Heavy Rains & Flooding | DR-183 |
Score Breakdown
The composite score of 12 is calculated from four weighted factors. See our methodology for details.
Other Counties in California
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Tule River Indian Reservation | A | 12 | 0 | 9 |
| Butte | A | 12 | 7 | 8 |
| Colusa | A | 12 | 5 | 8 |
| Kings | A | 12 | 1 | 9 |
| Modoc | A | 12 | 0 | 8 |
| Mono | A | 12 | 1 | 8 |
More Counties in California
Frequently Asked Questions
How many FEMA disaster declarations does Siskiyou County, CA have?
Siskiyou County, CA has 8 federal disaster declarations on FEMA record (1964–2023). The 5 most recent are: Tropical Storm Hilary (declared Nov 21, 2023, DR-4750); Severe Winter Storms, Flooding, Landslides, and Mudslides (declared Jan 14, 2023, DR-4683); Severe Winter Storms, Flooding, and Mudslides (declared Apr 1, 2017, DR-4308); Hurricane Katrina Evacuation (declared Sep 13, 2005, DR-3248); Severe Winter Storm, MUD & Land Slides, & Flooding (declared Feb 3, 1993, DR-979). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Siskiyou County, CA?
Siskiyou County is graded A (composite score 12/100, low risk). It ranks #1182 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 Siskiyou County?
0 NFIP flood insurance claims have been filed in Siskiyou County, CA, totaling $0 in payouts. The average claim is $0. Source: FEMA FimaNfipClaims v2 dataset.
Has Siskiyou County, CA had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Siskiyou County was Tropical Storm Hilary on Nov 21, 2023 (DR-4750). The county has 8 declared disasters in the OpenFEMA record covering 1964–2023.
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.