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Areas with the Highest Uninsured Rates

US counties ranked by uninsured rate — the share of residents with no health insurance coverage. Uninsured rates vary significantly by state due to Medicaid expansion decisions and differ by income, employment, and immigration status. Data from US Census Bureau ACS 2023.

Ranked by Uninsured Rate. Click any location to see its full Census data profile. All figures are from the U.S. Census Bureau ACS 5-Year Estimates, 2023, so they are directly comparable across locations.

# Location Uninsured Rate
2601 Pawnee County, Oklahoma 3.7%
2602 Mercer County, Ohio 3.7%
2603 Woodford County, Kentucky 3.7%
2604 Scott County, Indiana 3.7%
2605 St. Mary's County, Maryland 3.7%
2606 Sherburne County, Minnesota 3.7%
2607 Macon County, Tennessee 3.7%
2608 Duval County, Texas 3.7%
2609 Perry County, Illinois 3.7%
2610 Harford County, Maryland 3.7%
2611 Surry County, Virginia 3.7%
2612 Fulton County, Kentucky 3.7%
2613 King County, Texas 3.7%
2614 Dawson County, Nebraska 3.7%
2615 Grady County, Georgia 3.7%
2616 York County, Virginia 3.7%
2617 Marquette County, Michigan 3.7%
2618 Dickinson County, Iowa 3.7%
2619 Childress County, Texas 3.7%
2620 Fond du Lac County, Wisconsin 3.7%
2621 Greene County, Indiana 3.7%
2622 Crisp County, Georgia 3.7%
2623 Cameron County, Pennsylvania 3.7%
2624 Broome County, New York 3.7%
2625 Clay County, Georgia 3.6%
2626 Jackson County, Minnesota 3.6%
2627 Clear Creek County, Colorado 3.6%
2628 Milwaukee County, Wisconsin 3.6%
2629 Oconto County, Wisconsin 3.6%
2630 Ness County, Kansas 3.6%
2631 Wasatch County, Utah 3.6%
2632 Brown County, Wisconsin 3.6%
2633 Harrison County, Kentucky 3.6%
2634 Lake County, South Dakota 3.6%
2635 Carroll County, Virginia 3.6%
2636 Jefferson County, Idaho 3.6%
2637 Idaho County, Idaho 3.6%
2638 Vilas County, Wisconsin 3.6%
2639 Washington County, Vermont 3.6%
2640 St. Louis County, Minnesota 3.6%
2641 Clay County, Iowa 3.6%
2642 Marshall County, Illinois 3.6%
2643 Floyd County, Iowa 3.6%
2644 Warren County, Tennessee 3.6%
2645 Monroe County, Michigan 3.6%
2646 Jessamine County, Kentucky 3.6%
2647 Lincoln County, Maine 3.6%
2648 Cherokee County, Georgia 3.6%
2649 Chattahoochee County, Georgia 3.6%
2650 Poweshiek County, Iowa 3.6%