The rankings, which examine health outcomes and more than 90 health factors at the county level, were calculated using county-level data collected between 2014 and 2022 to evaluate the health outcomes and factors.
Below is a list of the counties with the best and worst health outcomes, length and quality of life, in each state.
Click here for more methodology details.
Alabama
Healthiest: Shelby County
Unhealthiest: Wilcox County
Alaska
Healthiest: Kodiak County
Unhealthiest: Kusilvak County
Arizona
Healthiest: Maricopa County
Unhealthiest: Apache County
Arkansas
Healthiest: Benson County
Unhealthiest: Phillips County
California
Healthiest: Marin County
Unhealthiest: Trinity County
Colorado
Healthiest: Douglas County
Unhealthiest: Otero County
Connecticut
Healthiest: Fairfield County
Unhealthiest: Windham County
Delaware
Healthiest: Sussex County
Unhealthiest: Kent County
Florida
Healthiest: Collier County
Unhealthiest: Union County
Georgia
Healthiest: Forsyth County
Unhealthiest: Hancock County
Hawaii
Healthiest: Maui County
Unhealthiest: Hawaii County
Idaho
Healthiest: Valley County
Unhealthiest: Benewah County
Illinois
Healthiest: DuPage County
Unhealthiest: Alexander County
Indiana
Healthiest: Hamilton County
Unhealthiest: Scott County
Iowa
Healthiest: Sioux County
Unhealthiest: Montgomery County
Kansas
Healthiest: Johnson County
Unhealthiest: Edwards County
Kentucky
Healthiest: Oldham County
Unhealthiest: Wolfe County
Louisiana
Healthiest: Ascension County
Unhealthiest: Bienville County
Maine
Healthiest: Cumberland County
Unhealthiest: Washington County
Maryland
Healthiest: Montgomery County
Unhealthiest: Baltimore City
Massachusetts
Healthiest: Nantucket County
Unhealthiest: Hampden County
Michigan
Healthiest: Leelanau County
Unhealthiest: Wayne County
Minnesota
Healthiest: Carver County
Unhealthiest: Mahnomen County
Mississippi
Healthiest: Madison County
Unhealthiest: Coahoma County
Missouri
Healthiest: Platte County
Unhealthiest: Pemiscot County
Montana
Healthiest: Carbon County
Unhealthiest: Roosevelt County
Nebraska
Healthiest: Wayne County
Unhealthiest: Thurston County
Nevada
Healthiest: Douglas County
Unhealthiest: Mineral County
New Hampshire
Healthiest: Rockingham County
Unhealthiest: Coos County
New Jersey
Healthiest: Hunterdon County
Unhealthiest: Salem County
New Mexico
Healthiest: Los Alamos County
Unhealthiest: McKinley County
New York
Healthiest: Putnam County
Unhealthiest: Bronx County
North Carolina
Healthiest: Wake County
Unhealthiest: Robeson County
North Dakota
Healthiest: Trail County
Unhealthiest: Sioux County
Ohio
Healthiest: Delaware County
Unhealthiest: Scioto County
Oklahoma
Healthiest: Canadian County
Unhealthiest: Harmon County
Oregon
Healthiest: Washington County
Unhealthiest: Lake County
Pennsylvania
Healthiest: Chester County
Unhealthiest: Philadelphia County
Rhode Island
Healthiest: Bristol County
Unhealthiest: Providence County
South Carolina
Healthiest: Beaufort County
Unhealthiest: Allendale County
South Dakota
Healthiest: Lake County
Unhealthiest: Buffalo County
Tennessee
Healthiest: Williamson County
Unhealthiest: Haywood County
Texas
Healthiest: Collin County
Unhealthiest: Brooks County
Utah
Healthiest: Wasatch County
Unhealthiest: San Juan County
Vermont
Healthiest: Chittenden County
Unhealthiest: Bennington County
Virginia
Healthiest: Falls Church County
Unhealthiest: Petersburg City
Washington
Healthiest: San Juan County
Unhealthiest: Ferry County
West Virginia
Healthiest: Monongalia County
Unhealthiest: McDowell County
Wisconsin
Healthiest: Ozaukee County
Unhealthiest: Menominee County
Wyoming
Healthiest: Teton County
Unhealthiest: Fremont County
