Cook, IL
Cook County in Illinois has 9 FEMA disaster declarations on record covering 1972–2024, most recently Severe Storms, Tornadoes, Straight-Line Winds, and Floodng on Sep 20, 2024 (DR-4819). Its flood risk grade is A (Low risk), ranking #2986 of 3,277 U.S. counties, with 198 NFIP flood insurance claims totaling $1,891,708 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Cook County
The 9 most recent federally declared disasters affecting Cook County, IL (1972–2024). Total declarations on record: 9.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 20, 2024 | Flood | Severe Storms, Tornadoes, Straight-Line Winds, and Floodng | DR-4819 |
| Nov 20, 2023 | Flood | Severe Storms and Flooding | DR-4749 |
| May 10, 2013 | Flood | Severe Storms, Straight-Line Winds, and Flooding | DR-4116 |
| Sep 7, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3230 |
| Jul 9, 1993 | Flood | Severe Storms & Flooding | DR-997 |
| Aug 21, 1987 | Flood | Severe Storms & Flooding | DR-798 |
| Oct 7, 1986 | Flood | Severe Storms & Flooding | DR-776 |
| Apr 26, 1973 | Flood | Severe Storms & Flooding | DR-373 |
| Sep 4, 1972 | Flood | Severe Storms & Flooding | DR-351 |
Score Breakdown
The composite score of 8 is calculated from four weighted factors. See our methodology for details.
Other Counties in Illinois
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Madison | A | 8 | 37 | 6 |
| Stephenson | A | 8 | 12 | 5 |
| Peoria | A | 8 | 24 | 6 |
| Bond | A | 8 | 1 | 1 |
| Champaign | A | 8 | 2 | 1 |
| Christian | A | 8 | 1 | 1 |
More Counties in Illinois
Frequently Asked Questions
How many FEMA disaster declarations does Cook County, IL have?
Cook County, IL has 9 federal disaster declarations on FEMA record (1972–2024). The 5 most recent are: Severe Storms, Tornadoes, Straight-Line Winds, and Floodng (declared Sep 20, 2024, DR-4819); Severe Storms and Flooding (declared Nov 20, 2023, DR-4749); Severe Storms, Straight-Line Winds, and Flooding (declared May 10, 2013, DR-4116); Hurricane Katrina Evacuation (declared Sep 7, 2005, DR-3230); Severe Storms & Flooding (declared Jul 9, 1993, DR-997). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Cook County, IL?
Cook County is graded A (composite score 8/100, low risk). It ranks #2986 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 Cook County?
198 NFIP flood insurance claims have been filed in Cook County, IL, totaling $1,891,708 in payouts. The average claim is $9,554. Source: FEMA FimaNfipClaims v2 dataset.
Has Cook County, IL had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Cook County was Severe Storms, Tornadoes, Straight-Line Winds, and Floodng on Sep 20, 2024 (DR-4819). The county has 9 declared disasters in the OpenFEMA record covering 1972–2024.
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.
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.