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Rock Island, IL

Flood Risk Score: 20/100 · Rank #191 of 3,277 counties

Rock Island 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 #191 of 3,277 U.S. counties, with 46 NFIP flood insurance claims totaling $1,099,365 in payouts. Flood risk is relatively low compared to the national average.

20
Risk Score
46
NFIP Claims
$1,099,365
Total Payouts
10
Disasters
$23,899
Avg Claim
46
Active Policies

FEMA Disaster Declarations in Rock Island County

The 10 most recent federally declared disasters affecting Rock Island County, IL (1969–2019). Total declarations on record: 10.

DeclaredIncident TypeTitleFEMA Disaster #
Sep 19, 2019FloodSevere Storms and FloodingDR-4461
May 10, 2013FloodSevere Storms, Straight-Line Winds, and FloodingDR-4116
Sep 7, 2005HurricaneHurricane Katrina EvacuationDR-3230
May 9, 2001FloodFloodingDR-1368
Jul 9, 1993FloodSevere Storms & FloodingDR-997
Mar 29, 1985FloodSevere Storms & FloodingDR-735
Apr 30, 1979FloodSevere Storms & FloodingDR-583
Jun 10, 1974FloodSevere Storms & FloodingDR-438
Apr 26, 1973FloodSevere Storms & FloodingDR-373
Jun 6, 1969FloodFloodingDR-262

Score Breakdown

The composite score of 20 is calculated from four weighted factors. See our methodology for details.

Claims Density
40%
0
Disaster Frequency
25%
21
Claim Severity
20%
0
Year-over-Year Trend
15%
100

Other Counties in Illinois

CountyGradeScoreClaimsDisasters
St. ClairA18549
WinnebagoA18236
McHenryA18246
KaneA1695
CalhounA142112
JerseyA142910
View All Counties in Illinois

Frequently Asked Questions

How many FEMA disaster declarations does Rock Island County, IL have?

Rock Island 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); Severe Storms, Straight-Line Winds, and Flooding (declared May 10, 2013, DR-4116); Hurricane Katrina Evacuation (declared Sep 7, 2005, DR-3230); Flooding (declared May 9, 2001, DR-1368); 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 Rock Island County, IL?

Rock Island County is graded A (composite score 20/100, low risk). It ranks #191 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 Rock Island County?

46 NFIP flood insurance claims have been filed in Rock Island County, IL, totaling $1,099,365 in payouts. The average claim is $23,899. Source: FEMA FimaNfipClaims v2 dataset.

Has Rock Island County, IL had any recent flood disasters?

Yes. The most recent FEMA declaration affecting Rock Island 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.

this entity is one of the data points covered by this site’s U.S. flood risk, NFIP claims, and disaster declarations dataset. The detail above comes directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the context that follows situates the headline numbers against the broader distribution across U.S. ZIPs, counties, and states.

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.