FloodZoneMap.org

Milwaukee County, Wisconsin Flood Zones

Check an Address in Milwaukee County

Enter any address in Milwaukee County, Wisconsin to see its FEMA flood zone

Milwaukee County Disaster History

Disaster Declarations
21
Flood/Coastal Disasters
7
Hurricane Disasters
1
Latest Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, AND MUDSLIDES (2025-08-09)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Milwaukee County

DeclarationTypeDate
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, AND MUDSLIDESFlood2025-08-09
COVID-19 Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
SEVERE WINTER STORM AND FLOODINGFlood2020-01-10
SEVERE WINTER STORM AND SNOWSTORMSnowstorm2011-01-31
SEVERE STORMS, TORNADOES, AND FLOODINGSevere Storm2010-07-20
SEVERE STORMS, TORNADOES, AND FLOODINGSevere Storm2008-06-05
RECORD SNOW AND NEAR RECORD SNOWSnowstorm2008-02-05
HURRICANE KATRINA EVACUATIONHurricane2005-08-29
SEVERE STORMS AND FLOODINGSevere Storm2004-05-07

Flood Zone Types in Milwaukee County

FEMA assigns flood zone designations to areas in Milwaukee County, Wisconsin:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Milwaukee County

Properties in Milwaukee County, Wisconsin that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. Over 20% of NFIP claims come from low and moderate-risk areas.

Visit FloodSmart.gov to find an agent and get a quote.