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Counties by Uninsured Rate

The uninsured rate is the share of the population with no health insurance coverage — influenced heavily by Medicaid eligibility and employer coverage.

All 3,222 counties ranked by Uninsured Rate, from lowest to highest. Click the column header to reverse sort order. Data from the U.S. Census Bureau, ACS 5-Year Estimates, 2023.

States Counties Cities Metros ZIPs
# Counties Uninsured Rate ↑
801 Jefferson County, Indiana 4.3%
802 Esmeralda County, Nevada 4.3%
803 Macoupin County, Illinois 4.3%
804 Northumberland County, Pennsylvania 4.3%
805 New York County, New York 4.3%
806 Alger County, Michigan 4.3%
807 St. Croix County, Wisconsin 4.3%
808 Caribou County, Idaho 4.3%
809 Carter County, Oklahoma 4.3%
810 Harris County, Texas 4.3%
811 Norton County, Kansas 4.3%
812 Ottawa County, Ohio 4.3%
813 St. Charles County, Missouri 4.3%
814 Carroll County, Tennessee 4.3%
815 Roseau County, Minnesota 4.3%
816 Montgomery County, Iowa 4.3%
817 Ogle County, Illinois 4.3%
818 Hawaii County, Hawaii 4.3%
819 Larue County, Kentucky 4.3%
820 Grant Parish, Louisiana 4.3%
821 Clackamas County, Oregon 4.3%
822 Greenlee County, Arizona 4.3%
823 Sublette County, Wyoming 4.3%
824 Marion County, Tennessee 4.3%
825 Clinton County, Michigan 4.3%
826 Cayuga County, New York 4.4%
827 Oldham County, Texas 4.4%
828 Boulder County, Colorado 4.4%
829 New Hanover County, North Carolina 4.4%
830 Angelina County, Texas 4.4%
831 Cleburne County, Alabama 4.4%
832 Montour County, Pennsylvania 4.4%
833 Venango County, Pennsylvania 4.4%
834 Anoka County, Minnesota 4.4%
835 Bullock County, Alabama 4.4%
836 Kauai County, Hawaii 4.4%
837 Burke County, North Dakota 4.4%
838 Lake of the Woods County, Minnesota 4.4%
839 Summers County, West Virginia 4.4%
840 Curry County, Oregon 4.4%
841 Cheboygan County, Michigan 4.4%
842 Florida Municipio, Puerto Rico 4.4%
843 Madison County, Texas 4.4%
844 Butts County, Georgia 4.4%
845 Washakie County, Wyoming 4.4%
846 Liberty County, Montana 4.4%
847 Cochran County, Texas 4.4%
848 Roanoke County, Virginia 4.4%
849 Southeastern Connecticut Planning Region, Connecticut 4.5%
850 Naugatuck Valley Planning Region, Connecticut 4.5%
851 Marion County, Iowa 4.5%
852 Martin County, Minnesota 4.5%
853 Hampshire County, Massachusetts 4.5%
854 Mineral County, Colorado 4.5%
855 Lyon County, Iowa 4.5%
856 Las Animas County, Colorado 4.5%
857 Washington County, Nebraska 4.5%
858 Wood County, Wisconsin 4.5%
859 Baca County, Colorado 4.5%
860 Dickinson County, Michigan 4.5%
861 Knox County, Indiana 4.5%
862 Collin County, Texas 4.5%
863 Adams County, Pennsylvania 4.5%
864 Rockland County, New York 4.5%
865 Calhoun County, Illinois 4.5%
866 Wright County, Minnesota 4.5%
867 Victoria County, Texas 4.5%
868 Val Verde County, Texas 4.5%
869 Grayson County, Kentucky 4.5%
870 Jayuya Municipio, Puerto Rico 4.5%
871 Coffee County, Tennessee 4.5%
872 Clark County, Washington 4.5%
873 Lincoln County, Arkansas 4.5%
874 Baraga County, Michigan 4.5%
875 Palo Alto County, Iowa 4.5%
876 Hardeman County, Texas 4.5%
877 Houston County, Georgia 4.5%
878 Grant County, West Virginia 4.5%
879 Lincoln County, Wisconsin 4.5%
880 Quebradillas Municipio, Puerto Rico 4.5%
881 Winnebago County, Iowa 4.5%
882 Thomas County, Nebraska 4.5%
883 Talbot County, Maryland 4.5%
884 Calhoun County, West Virginia 4.5%
885 Montgomery County, Illinois 4.5%
886 Andrews County, Texas 4.6%
887 Stearns County, Minnesota 4.6%
888 Jackson County, South Dakota 4.6%
889 Emery County, Utah 4.6%
890 Otsego County, New York 4.6%
891 Sullivan County, Pennsylvania 4.6%
892 Yolo County, California 4.6%
893 Ventura County, California 4.6%
894 Wheeler County, Nebraska 4.6%
895 Dane County, Wisconsin 4.6%
896 Siskiyou County, California 4.6%
897 Livingston County, Kentucky 4.6%
898 Coke County, Texas 4.6%
899 Frederick County, Maryland 4.6%
900 Bureau County, Illinois 4.6%