Stephenson, IL
Stephenson County in Illinois has 5 FEMA disaster declarations on record covering 1969–2019, most recently Severe Storms and Flooding on Sep 19, 2019 (DR-4461). Its flood risk grade is A (Low risk), ranking #2968 of 3,277 U.S. counties, with 12 NFIP flood insurance claims totaling $304,310 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Stephenson County
The 5 most recent federally declared disasters affecting Stephenson County, IL (1969–2019). Total declarations on record: 5.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 19, 2019 | Flood | Severe Storms and Flooding | DR-4461 |
| Sep 7, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3230 |
| Jul 9, 1993 | Flood | Severe Storms & Flooding | DR-997 |
| Jun 10, 1974 | Flood | Severe Storms & Flooding | DR-438 |
| Aug 30, 1969 | Flood | Heavy Rains & Flooding | DR-276 |
Score Breakdown
The composite score of 8 is calculated from four weighted factors. See our methodology for details.
Other Counties in Illinois
More Counties in Illinois
Frequently Asked Questions
How many FEMA disaster declarations does Stephenson County, IL have?
Stephenson County, IL has 5 federal disaster declarations on FEMA record (1969–2019). The 5 most recent are: Severe Storms and Flooding (declared Sep 19, 2019, DR-4461); Hurricane Katrina Evacuation (declared Sep 7, 2005, DR-3230); Severe Storms & Flooding (declared Jul 9, 1993, DR-997); Severe Storms & Flooding (declared Jun 10, 1974, DR-438); Heavy Rains & Flooding (declared Aug 30, 1969, DR-276). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Stephenson County, IL?
Stephenson County is graded A (composite score 8/100, low risk). It ranks #2968 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 Stephenson County?
12 NFIP flood insurance claims have been filed in Stephenson County, IL, totaling $304,310 in payouts. The average claim is $25,359. Source: FEMA FimaNfipClaims v2 dataset.
Has Stephenson County, IL had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Stephenson County was Severe Storms and Flooding on Sep 19, 2019 (DR-4461). The county has 5 declared disasters in the OpenFEMA record covering 1969–2019.
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.
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.
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.