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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 ↑
901 Andrews County, Texas 4.6%
902 Story County, Iowa 4.6%
903 Midland County, Texas 4.6%
904 Uvalde County, Texas 4.6%
905 Vermilion County, Illinois 4.6%
906 Suffolk County, New York 4.6%
907 Sullivan County, Pennsylvania 4.6%
908 Raleigh County, West Virginia 4.6%
909 Mason County, Illinois 4.6%
910 Jackson County, South Dakota 4.6%
911 Bureau County, Illinois 4.6%
912 Mahaska County, Iowa 4.6%
913 Anne Arundel County, Maryland 4.6%
914 Stillwater County, Montana 4.6%
915 Coke County, Texas 4.6%
916 Wheeler County, Nebraska 4.6%
917 Yolo County, California 4.6%
918 Ventura County, California 4.6%
919 Siskiyou County, California 4.6%
920 Otsego County, New York 4.6%
921 Tillamook County, Oregon 4.7%
922 Boyd County, Kentucky 4.7%
923 Brooks County, Texas 4.7%
924 Iron County, Michigan 4.7%
925 Surry County, North Carolina 4.7%
926 Bay County, Michigan 4.7%
927 Creek County, Oklahoma 4.7%
928 Russell County, Virginia 4.7%
929 Luce County, Michigan 4.7%
930 Matanuska-Susitna Borough, Alaska 4.7%
931 Harlan County, Kentucky 4.7%
932 Foster County, North Dakota 4.7%
933 Fayette County, Iowa 4.7%
934 Henderson County, Kentucky 4.7%
935 Cass County, Iowa 4.7%
936 Morris County, New Jersey 4.7%
937 Spink County, South Dakota 4.7%
938 Bristol County, Rhode Island 4.7%
939 Cass County, Indiana 4.7%
940 Steuben County, New York 4.7%
941 Franklin County, Massachusetts 4.7%
942 Tucker County, West Virginia 4.7%
943 Saguache County, Colorado 4.7%
944 Pickett County, Tennessee 4.7%
945 Marquette County, Wisconsin 4.7%
946 Sarpy County, Nebraska 4.7%
947 Ste. Genevieve County, Missouri 4.7%
948 Covington County, Mississippi 4.7%
949 Kanawha County, West Virginia 4.7%
950 Windham County, Vermont 4.7%
951 Warren County, New Jersey 4.7%
952 Tazewell County, Virginia 4.7%
953 Pittsburg County, Oklahoma 4.8%
954 Madera County, California 4.8%
955 Fremont County, Wyoming 4.8%
956 Fannin County, Georgia 4.8%
957 Lyon County, Kentucky 4.8%
958 Mahoning County, Ohio 4.8%
959 Marlboro County, South Carolina 4.8%
960 Bedford County, Virginia 4.8%
961 Perry County, Alabama 4.8%
962 Winnebago County, Wisconsin 4.8%
963 Jefferson County, Kansas 4.8%
964 Shiawassee County, Michigan 4.8%
965 Union County, Florida 4.8%
966 Ferry County, Washington 4.8%
967 Tuscola County, Michigan 4.8%
968 Harnett County, North Carolina 4.8%
969 Powhatan County, Virginia 4.8%
970 Barnes County, North Dakota 4.8%
971 Porter County, Indiana 4.8%
972 Genesee County, Michigan 4.8%
973 Dearborn County, Indiana 4.8%
974 Charlotte County, Florida 4.8%
975 Wetzel County, West Virginia 4.8%
976 Madison County, Illinois 4.8%
977 Jasper County, Illinois 4.8%
978 Fulton County, Illinois 4.8%
979 Pottawattamie County, Iowa 4.8%
980 Carroll County, Illinois 4.8%
981 Alexander County, Illinois 4.8%
982 Adams County, Illinois 4.8%
983 Chaffee County, Colorado 4.8%
984 Muskegon County, Michigan 4.8%
985 San Mateo County, California 4.8%
986 Spencer County, Kentucky 4.8%
987 Lee County, Kentucky 4.9%
988 Osage County, Missouri 4.9%
989 Polk County, Minnesota 4.9%
990 Ingham County, Michigan 4.9%
991 Cleveland County, Arkansas 4.9%
992 Fayette County, Georgia 4.9%
993 Caldwell Parish, Louisiana 4.9%
994 Rockcastle County, Kentucky 4.9%
995 Yabucoa Municipio, Puerto Rico 4.9%
996 Josephine County, Oregon 4.9%
997 Klamath County, Oregon 4.9%
998 Stevens County, Minnesota 4.9%
999 Grand Forks County, North Dakota 4.9%
1000 Muhlenberg County, Kentucky 4.9%