Jersey, IL
Jersey County in Illinois has 10 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 #689 of 3,277 U.S. counties, with 29 NFIP flood insurance claims totaling $943,964 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Jersey County
The 10 most recent federally declared disasters affecting Jersey County, IL (1969–2019). Total declarations on record: 10.
| 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 |
| Oct 7, 1986 | Flood | Severe Storms & Flooding | DR-776 |
| Mar 29, 1985 | Flood | Severe Storms & Flooding | DR-735 |
| Apr 30, 1979 | Flood | Severe Storms & Flooding | DR-583 |
| Jun 10, 1974 | Flood | Severe Storms & Flooding | DR-438 |
| Apr 26, 1973 | Flood | Severe Storms & Flooding | DR-373 |
| Aug 30, 1969 | Flood | Heavy Rains & Flooding | DR-276 |
| Jun 6, 1969 | Flood | Flooding | DR-262 |
Score Breakdown
The composite score of 14 is calculated from four weighted factors. See our methodology for details.
Other Counties in Illinois
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Frequently Asked Questions
How many FEMA disaster declarations does Jersey County, IL have?
Jersey County, IL has 10 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 Oct 7, 1986, DR-776); Severe Storms & Flooding (declared Mar 29, 1985, DR-735). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Jersey County, IL?
Jersey County is graded A (composite score 14/100, low risk). It ranks #689 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 Jersey County?
29 NFIP flood insurance claims have been filed in Jersey County, IL, totaling $943,964 in payouts. The average claim is $32,550. Source: FEMA FimaNfipClaims v2 dataset.
Has Jersey County, IL had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Jersey County was Severe Storms and Flooding on Sep 19, 2019 (DR-4461). The county has 10 declared disasters in the OpenFEMA record covering 1969–2019.
The this entity record above pulls directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. What follows is the per-entity context — how this entity sits in the broader U.S. flood risk, NFIP claims, and disaster declarations distribution and which underlying factors drive the headline numbers.
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.