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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
401 Bolivar County, Mississippi 13.6%
402 Hamblen County, Tennessee 13.6%
403 Taliaferro County, Georgia 13.6%
404 Hooker County, Nebraska 13.6%
405 Barry County, Missouri 13.6%
406 Buffalo County, South Dakota 13.6%
407 Murray County, Oklahoma 13.6%
408 Rabun County, Georgia 13.6%
409 Wyandot County, Ohio 13.6%
410 Dewey County, Oklahoma 13.5%
411 Stephens County, Georgia 13.5%
412 Otero County, New Mexico 13.5%
413 Lawrence County, Mississippi 13.5%
414 Davie County, North Carolina 13.4%
415 Sanders County, Montana 13.4%
416 Cumberland County, North Carolina 13.4%
417 Reynolds County, Missouri 13.4%
418 Stephens County, Oklahoma 13.4%
419 Treutlen County, Georgia 13.4%
420 Marion County, Kansas 13.4%
421 Carroll County, Arkansas 13.4%
422 Broward County, Florida 13.3%
423 Grant County, Washington 13.3%
424 Sevier County, Tennessee 13.3%
425 Butler County, Missouri 13.3%
426 Spalding County, Georgia 13.3%
427 Anson County, North Carolina 13.3%
428 Sumter County, Georgia 13.3%
429 Culebra Municipio, Puerto Rico 13.3%
430 Haralson County, Georgia 13.3%
431 Hardin County, Tennessee 13.2%
432 Palm Beach County, Florida 13.2%
433 Donley County, Texas 13.2%
434 Grundy County, Tennessee 13.2%
435 Walker County, Georgia 13.2%
436 Oscoda County, Michigan 13.2%
437 Towns County, Georgia 13.2%
438 Upshur County, Texas 13.2%
439 Carter County, Montana 13.2%
440 Tunica County, Mississippi 13.1%
441 Montgomery County, North Carolina 13.1%
442 Noxubee County, Mississippi 13.1%
443 Turner County, Georgia 13.1%
444 Switzerland County, Indiana 13.1%
445 Morris County, Texas 13.1%
446 Cape Girardeau County, Missouri 13.1%
447 Woodward County, Oklahoma 13.1%
448 Pottawatomie County, Oklahoma 13.1%
449 Union County, Ohio 13.1%
450 Dawson County, Georgia 13.1%