Radon by Minnesota county

The share of homes tested that came back at or above the 4 pCi/L action level, by county, from Minnesota Department of Health data. Every Minnesota county has high radon potential; these numbers describe the homes that happened to be tested, not yours.

• Aitkin32%
• Anoka15.5%
• Becker47.4%
• Beltrami36.4%
• Benton25.7%
• Big Stone49.7%
• Blue Earth56.3%
• Brown60.8%
• Carlton39.4%
• Carver35.7%
• Cass29%
• Chippewa61%
• Chisago28.6%
• Clay57.5%
• Clearwater42.9%
• Cook35.4%
• Cottonwood60.6%
• Crow Wing27.1%
• Dakota34.1%
• Dodge59.5%
• Douglas53.3%
• Faribault60.2%
• Fillmore54.9%
• Freeborn57.9%
• Goodhue49.6%
• Grant63.6%
• Hennepin33.4%
• Houston48.2%
• Hubbard36.4%
• Isanti15.7%
• Itasca26.3%
• Jackson65.7%
• Kanabec35.3%
• Kandiyohi62%
• Kittson25.9%
• Koochiching26.4%
• Lac qui Parle64.7%
• Lake21.9%
• Lake of the Woods23.1%
• Le Sueur57.3%
• Lincoln67.1%
• Lyon61.8%
• Mahnomen48.9%
• Marshall46.6%
• Martin61.7%
• McLeod56.5%
• Meeker48.6%
• Mille Lacs25.3%
• Morrison35.3%
• Mower42.9%
• Murray71.1%
• Nicollet54.8%
• Nobles66.5%
• Norman47.8%
• Olmsted42.3%
• Otter Tail54.4%
• Pennington50%
• Pine29.2%
• Pipestone62.5%
• Polk62%
• Pope44.3%
• Ramsey26.6%
• Red Lake40.7%
• Redwood60.4%
• Renville66.6%
• Rice53.5%
• Rock74%
• Roseau27.4%
• Scott40.5%
• Sherburne32.2%
• Sibley59.3%
• St. Louis25%
• Stearns44.6%
• Steele56.7%
• Stevens51.6%
• Swift47.3%
• Todd39.2%
• Traverse55.9%
• Wabasha55.4%
• Wadena25.7%
• Waseca57.1%
• Washington28%
• Watonwan53.1%
• Wilkin50.3%
• Winona41.4%
• Wright43%
• Yellow Medicine61.9%