Ozaukee, WI
Ozaukee County in Wisconsin has 5 FEMA disaster declarations on record covering 1973–2018, most recently Severe Storms, Tornadoes, Straight-Line Winds, Flooding, and Landslides on Oct 18, 2018 (DR-4402). Its flood risk grade is A (Low risk), ranking #1133 of 3,277 U.S. counties, with 10 NFIP flood insurance claims totaling $274,493 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Ozaukee County
The 5 most recent federally declared disasters affecting Ozaukee County, WI (1973–2018). Total declarations on record: 5.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Oct 18, 2018 | Flood | Severe Storms, Tornadoes, Straight-Line Winds, Flooding, and Landslides | DR-4402 |
| Sep 13, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3249 |
| Oct 7, 1986 | Flood | Severe Storms & Flooding | DR-775 |
| Mar 23, 1976 | Flood | Severe Storms, Icing, Wind & Flooding | DR-496 |
| Apr 27, 1973 | Flood | Severe Storms & Flooding | DR-376 |
Score Breakdown
The composite score of 12 is calculated from four weighted factors. See our methodology for details.
Other Counties in Wisconsin
More Counties in Wisconsin
Frequently Asked Questions
How many FEMA disaster declarations does Ozaukee County, WI have?
Ozaukee County, WI has 5 federal disaster declarations on FEMA record (1973–2018). The 5 most recent are: Severe Storms, Tornadoes, Straight-Line Winds, Flooding, and Landslides (declared Oct 18, 2018, DR-4402); Hurricane Katrina Evacuation (declared Sep 13, 2005, DR-3249); Severe Storms & Flooding (declared Oct 7, 1986, DR-775); Severe Storms, Icing, Wind & Flooding (declared Mar 23, 1976, DR-496); Severe Storms & Flooding (declared Apr 27, 1973, DR-376). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Ozaukee County, WI?
Ozaukee County is graded A (composite score 12/100, low risk). It ranks #1133 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 Ozaukee County?
10 NFIP flood insurance claims have been filed in Ozaukee County, WI, totaling $274,493 in payouts. The average claim is $27,449. Source: FEMA FimaNfipClaims v2 dataset.
Has Ozaukee County, WI had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Ozaukee County was Severe Storms, Tornadoes, Straight-Line Winds, Flooding, and Landslides on Oct 18, 2018 (DR-4402). The county has 5 declared disasters in the OpenFEMA record covering 1973–2018.
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.