Reference only. Data sourced from HUD/FHFA (2025). This site is a private entity and not affiliated with any government agency.
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Flood risk by county

National Risk Index scores attached to every county calculator.

CountyRiskScoreDetails
Adams CountyVery High98View
Ashland CountyVery High98View
Barron CountyVery High98View
Bayfield CountyVery High98View
Brown CountyModerate49View
Buffalo CountyVery High98View
Burnett CountyVery High98View
Calumet CountyLow23View
Chippewa CountyModerate41View
Clark CountyVery High98View
Columbia CountyHigh63View
Crawford CountyVery High98View
Dane CountyHigh63View
Dodge CountyLow26View
Door CountyVery High98View
Douglas CountyModerate40View
Dunn CountyHigh65View
Eau Claire CountyModerate41View
Florence CountyModerate54View
Fond Du Lac CountyModerate45View
Forest CountyVery High98View
Grant CountyHigh76View
Green CountyHigh63View
Green Lake CountyVery High98View
Iowa CountyHigh63View
Iron CountyVery High98View
Jackson CountyVery High98View
Jefferson CountyVery High96View
Juneau CountyVery High98View
Kenosha CountyModerate33View
Kewaunee CountyModerate49View
La Crosse CountyHigh58View
Lafayette CountyVery High98View
Langlade CountyVery High98View
Lincoln CountyVery High96View
Manitowoc CountyHigh63View
Marathon CountyVery High96View
Marinette CountyHigh63View
Marquette CountyVery High98View
Menominee CountyVery High86View
Milwaukee CountyHigh66View
Monroe CountyVery High98View
Oconto CountyModerate49View
Oneida CountyVery High98View
Outagamie CountyLow23View
Ozaukee CountyHigh66View
Pepin CountyVery High98View
Pierce CountyHigh66View
Polk CountyVery High98View
Portage CountyVery High89View
Price CountyVery High98View
Racine CountyHigh79View
Richland CountyVery High98View
Rock CountyHigh55View
Rusk CountyVery High98View
Sauk CountyLow25View
Sawyer CountyVery High98View
Shawano CountyVery High86View
Sheboygan CountyVery High86View
St. Croix CountyHigh66View
Taylor CountyVery High98View
Trempealeau CountyVery High98View
Vernon CountyVery High98View
Vilas CountyVery High98View
Walworth CountyVery High97View
Washburn CountyVery High98View
Washington CountyHigh66View
Waukesha CountyHigh66View
Waupaca CountyVery High98View
Waushara CountyVery High98View
Winnebago CountyHigh73View
Wood CountyVery High98View