Home / States / Illinois / Madison
A

Madison, IL

Flood Risk Score: 8/100 · Rank #2967 of 3,277 counties

Madison County in Illinois has 6 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 #2967 of 3,277 U.S. counties, with 37 NFIP flood insurance claims totaling $444,901 in payouts. Flood risk is relatively low compared to the national average.

8
Risk Score
37
NFIP Claims
$444,901
Total Payouts
6
Disasters
$12,024
Avg Claim
37
Active Policies

FEMA Disaster Declarations in Madison County

The 6 most recent federally declared disasters affecting Madison County, IL (1969–2019). Total declarations on record: 6.

DeclaredIncident TypeTitleFEMA Disaster #
Sep 19, 2019FloodSevere Storms and FloodingDR-4461
Sep 7, 2005HurricaneHurricane Katrina EvacuationDR-3230
Jul 9, 1993FloodSevere Storms & FloodingDR-997
Apr 30, 1979FloodSevere Storms & FloodingDR-583
Apr 26, 1973FloodSevere Storms & FloodingDR-373
Aug 30, 1969FloodHeavy Rains & FloodingDR-276

Score Breakdown

The composite score of 8 is calculated from four weighted factors. See our methodology for details.

Claims Density
40%
0
Disaster Frequency
25%
13
Claim Severity
20%
0
Year-over-Year Trend
15%
32

Other Counties in Illinois

CountyGradeScoreClaimsDisasters
StephensonA8125
CookA81989
PeoriaA8246
BondA811
ChampaignA821
ChristianA811
View All Counties in Illinois

Frequently Asked Questions

How many FEMA disaster declarations does Madison County, IL have?

Madison County, IL has 6 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 Apr 30, 1979, DR-583); Severe Storms & Flooding (declared Apr 26, 1973, DR-373). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.

What is the flood risk grade for Madison County, IL?

Madison County is graded A (composite score 8/100, low risk). It ranks #2967 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 Madison County?

37 NFIP flood insurance claims have been filed in Madison County, IL, totaling $444,901 in payouts. The average claim is $12,024. Source: FEMA FimaNfipClaims v2 dataset.

Has Madison County, IL had any recent flood disasters?

Yes. The most recent FEMA declaration affecting Madison County was Severe Storms and Flooding on Sep 19, 2019 (DR-4461). The county has 6 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.

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.