Home / States / Michigan / Shiawassee
A

Shiawassee, MI

Flood Risk Score: 10/100 · Rank #2352 of 3,277 counties

Shiawassee County in Michigan has 5 FEMA disaster declarations on record covering 1975–2005, most recently Hurricane Katrina Evacuation on Sep 7, 2005 (DR-3225). Its flood risk grade is A (Low risk), ranking #2352 of 3,277 U.S. counties, with 1 NFIP flood insurance claims totaling $9,041 in payouts. Flood risk is relatively low compared to the national average.

10
Risk Score
1
NFIP Claims
$9,041
Total Payouts
5
Disasters
$9,041
Avg Claim
1
Active Policies

FEMA Disaster Declarations in Shiawassee County

The 5 most recent federally declared disasters affecting Shiawassee County, MI (1975–2005). Total declarations on record: 5.

DeclaredIncident TypeTitleFEMA Disaster #
Sep 7, 2005HurricaneHurricane Katrina EvacuationDR-3225
Sep 18, 1986FloodSevere Storms & FloodingDR-774
Sep 18, 1985FloodSevere Storms and FloodingDR-744
Sep 30, 1975FloodSevere Storms, High Winds & FloodingDR-486
Apr 26, 1975FloodSevere Storms, High Winds & FloodingDR-465

Score Breakdown

The composite score of 10 is calculated from four weighted factors. See our methodology for details.

Claims Density
40%
0
Disaster Frequency
25%
11
Claim Severity
20%
0
Year-over-Year Trend
15%
50

Other Counties in Michigan

CountyGradeScoreClaimsDisasters
GogebicA1004
HoughtonA1004
IoniaA1015
KentA10194
MuskegonA1075
NewaygoA1055
View All Counties in Michigan

Frequently Asked Questions

How many FEMA disaster declarations does Shiawassee County, MI have?

Shiawassee County, MI has 5 federal disaster declarations on FEMA record (1975–2005). The 5 most recent are: Hurricane Katrina Evacuation (declared Sep 7, 2005, DR-3225); Severe Storms & Flooding (declared Sep 18, 1986, DR-774); Severe Storms and Flooding (declared Sep 18, 1985, DR-744); Severe Storms, High Winds & Flooding (declared Sep 30, 1975, DR-486); Severe Storms, High Winds & Flooding (declared Apr 26, 1975, DR-465). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.

What is the flood risk grade for Shiawassee County, MI?

Shiawassee County is graded A (composite score 10/100, low risk). It ranks #2352 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 Shiawassee County?

1 NFIP flood insurance claims have been filed in Shiawassee County, MI, totaling $9,041 in payouts. The average claim is $9,041. Source: FEMA FimaNfipClaims v2 dataset.

Has Shiawassee County, MI had any recent flood disasters?

Yes. The most recent FEMA declaration affecting Shiawassee County was Hurricane Katrina Evacuation on Sep 7, 2005 (DR-3225). The county has 5 declared disasters in the OpenFEMA record covering 1975–2005.

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.

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.