Source page: https://statranker.org/health-health/u-s-counties-with-the-highest-uninsured-rates-top-100-2024-acs-5-year/

Rank Entity Uninsured rate Source / method note
1Oglala Lakota County, South Dakota44.6%SD · official_value · U.S. Census Bureau ACS 2024 5-Year S2701 · published percent uninsured · all-age civilian noninstitutionalized population.
2LaGrange County, Indiana44.4%IN · official_value · U.S. Census Bureau ACS 2024 5-Year S2701 · published percent uninsured · all-age civilian noninstitutionalized population.
3Buffalo County, South Dakota43.0%SD · official_value · U.S. Census Bureau ACS 2024 5-Year S2701 · published percent uninsured · all-age civilian noninstitutionalized population.
4Holmes County, Ohio41.5%OH · official_value · U.S. Census Bureau ACS 2024 5-Year S2701 · published percent uninsured · all-age civilian noninstitutionalized population.
5Scotland County, Missouri39.0%MO · official_value · U.S. Census Bureau ACS 2024 5-Year S2701 · published percent uninsured · all-age civilian noninstitutionalized population.
6Gaines County, Texas36.7%TX · official_value · U.S. Census Bureau ACS 2024 5-Year S2701 · published percent uninsured · all-age civilian noninstitutionalized population.
7Aleutians East Borough, Alaska35.6%AK · official_value · U.S. Census Bureau ACS 2024 5-Year S2701 · published percent uninsured · all-age civilian noninstitutionalized population.
8Presidio County, Texas33.6%TX · official_value · U.S. Census Bureau ACS 2024 5-Year S2701 · published percent uninsured · all-age civilian noninstitutionalized population.
9Lake and Peninsula Borough, Alaska32.2%AK · official_value · U.S. Census Bureau ACS 2024 5-Year S2701 · published percent uninsured · all-age civilian noninstitutionalized population.
10Hudspeth County, Texas31.4%TX · official_value · U.S. Census Bureau ACS 2024 5-Year S2701 · published percent uninsured · all-age civilian noninstitutionalized population.