Grundy, IL
Grundy County in Illinois has 5 FEMA disaster declarations on record covering 1972–2013, most recently Severe Storms, Straight-Line Winds, and Flooding on May 10, 2013 (DR-4116). Its flood risk grade is A (Low risk), ranking #1211 of 3,277 U.S. counties, with 10 NFIP flood insurance claims totaling $303,788 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Grundy County
The 5 most recent federally declared disasters affecting Grundy County, IL (1972–2013). Total declarations on record: 5.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| May 10, 2013 | Flood | Severe Storms, Straight-Line Winds, and Flooding | DR-4116 |
| Sep 7, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3230 |
| Mar 29, 1985 | Flood | Severe Storms & Flooding | DR-735 |
| Jun 10, 1974 | Flood | Severe Storms & Flooding | DR-438 |
| Sep 4, 1972 | Flood | Severe Storms & Flooding | DR-351 |
Score Breakdown
The composite score of 12 is calculated from four weighted factors. See our methodology for details.
Other Counties in Illinois
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Carroll | A | 12 | 3 | 8 |
| Cass | A | 12 | 1 | 8 |
| Fulton | A | 12 | 1 | 9 |
| Hancock | A | 12 | 1 | 9 |
| Henderson | A | 12 | 6 | 9 |
| Mercer | A | 12 | 0 | 8 |
More Counties in Illinois
Frequently Asked Questions
How many FEMA disaster declarations does Grundy County, IL have?
Grundy County, IL has 5 federal disaster declarations on FEMA record (1972–2013). The 5 most recent are: 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 Mar 29, 1985, DR-735); Severe Storms & Flooding (declared Jun 10, 1974, DR-438); Severe Storms & Flooding (declared Sep 4, 1972, DR-351). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Grundy County, IL?
Grundy County is graded A (composite score 12/100, low risk). It ranks #1211 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 Grundy County?
10 NFIP flood insurance claims have been filed in Grundy County, IL, totaling $303,788 in payouts. The average claim is $30,379. Source: FEMA FimaNfipClaims v2 dataset.
Has Grundy County, IL had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Grundy County was Severe Storms, Straight-Line Winds, and Flooding on May 10, 2013 (DR-4116). The county has 5 declared disasters in the OpenFEMA record covering 1972–2013.
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.
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.