RANKING · 2020 CENSUS · 135 SHOWN OF 3,135

Most uninsured people, US counties · 2020

US counties with the most residents lacking health insurance, as of the 2020 American Community Survey. Ranked by number of people, not the uninsured rate.

All statesAll rankings

SAME RANKING BYCities States Metros

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Largest senior population Most unmarried people Most unmarried men

RANKPLACESTATEPOPUNINSURED RESIDENTSVS –

3001Hidalgo County, NMNM3,929186–

3002Oldham County, TXTX1,783186–

3003Eureka County, NVNV1,867186–

3004Franklin County, NENE2,795185–

3005Sanborn County, SDSD2,388183–

3006Cottle County, TXTX1,224182–

3007Powder River County, MTMT1,781180–

3008Dundy County, NENE1,568180–

3009LaMoure County, NDND4,135180–

3010McMullen County, TXTX544180–

3011Adams County, NDND2,275179–

3012Rawlins County, KSKS2,431179–

3013Towner County, NDND2,040177–

3014McHenry County, NDND5,130175–

3015Nance County, NENE3,290175–

3016Skagway, AKAK1,104174–

3017Highland County, VAVA2,318174–

3018Meagher County, MTMT2,137172–

3019Haakon County, SDSD1,802172–

3020Owsley County, KYKY3,932172–

3021Foard County, TXTX1,044170–

3022Wilkin County, MNMN6,288168–

3023Emmons County, NDND3,215167–

3024Robertson County, KYKY2,325167–

3025McIntosh County, NDND2,451167–

3026Gallatin County, ILIL4,616167–

3027Ness County, KSKS2,617167–

3028Sioux County, NENE1,188165–

3029Nelson County, NDND2,963164–

3030Lac qui Parle County, MNMN6,704163–

3031McPherson County, SDSD2,347162–

3032Liberty County, MTMT1,957162–

3033Putnam County, ILIL5,619162–

3034Lee County, KYKY7,297159–

3035Boyd County, NENE1,674158–

3036Garfield County, MTMT1,148157–

3037Scott County, ILIL4,866154–

3038Hanson County, SDSD3,456153–

3039Perkins County, NENE2,849152–

3040Cameron County, PAPA4,211145–

3041Garfield County, WAWA2,416144–

3042Potter County, SDSD2,377143–

3043Grant County, NDND2,206142–

3044Hickman County, KYKY4,372142–

3045Rock County, NENE1,259142–

3046Oliver County, NDND1,898141–

3047Camas County, IDID1,316140–

3048Greeley County, NENE2,154137–

3049Faulk County, SDSD2,178136–

3050Concho County, TXTX3,607135–

3051Judith Basin County, MTMT2,162134–

3052Foster County, NDND3,212132–

3053Worth County, MOMO1,914132–

3054Armstrong County, TXTX1,843132–

3055Cheyenne County, COCO1,713132–

3056Mineral County, COCO910129–

3057Sherman County, OROR2,051126–

3058Miner County, SDSD2,281126–

3059Stanley County, SDSD3,018126–

3060Renville County, NDND2,331126–

3061Rush County, KSKS2,845125–

3062Mora County, NMNM4,051124–

3063Clark County, KSKS1,900122–

3064Eddy County, NDND2,329121–

3065Sargent County, NDND3,711121–

3066Yakutat, AKAK672118–

3067Red Lake County, MNMN3,940118–

3068Hinsdale County, COCO753118–

3069Jackson County, COCO1,211118–

3070Bristol Bay, AKAK847117–

3071Comanche County, KSKS1,673117–

3072Gosper County, NENE1,803117–

3073Pierce County, NDND3,838115–

3074Esmeralda County, NVNV729114–

3075McCone County, MTMT1,720110–

3076De Baca County, NMNM1,647110–

3077Wells County, NDND3,729110–

3078Kenedy County, TXTX319107–

3079Dolores County, COCO2,466105–

3080Wichita County, KSKS2,031105–

3081Sheridan County, NDND1,296104–

3082Golden Valley County, NDND1,808104–

3083Traverse County, MNMN3,130103–

3084Jerauld County, SDSD1,654103–

3085Jones County, SDSD91396–

3086Gilliam County, OROR1,97195–

3087Hand County, SDSD3,12194–

3088Greeley County, KSKS1,18292–

3089Grant County, NENE56191–

3090Pope County, ILIL3,67290–

3091Burke County, NDND2,13289–

3092Alpine County, CACA1,04388–

3093Terrell County, TXTX70288–

3094Hooker County, NENE68687–

3095Griggs County, NDND2,23985–

3096Wolfe County, KYKY6,29884–

3097Logan County, NENE66984–

3098Wibaux County, MTMT88582–

3099Issaquena County, MSMS1,26381–

3100Golden Valley County, MTMT84481–

3101Harding County, SDSD1,33180–

3102Roberts County, TXTX86779–

3103Garfield County, NENE1,71075–

3104Wheeler County, OROR1,47275–

3105Steele County, NDND1,79774–

3106Wallace County, KSKS1,44174–

3107San Juan County, COCO81371–

3108Daniels County, MTMT1,61269–

3109Wheeler County, NENE78967–

3110King County, TXTX19266–

3111Hayes County, NENE82159–

3112Hyde County, SDSD1,19159–

3113Blaine County, NENE45855–

3114Arthur County, NENE39650–

3115Loup County, NENE57047–

3116Calhoun County, ILIL4,30046–

3117Prairie County, MTMT1,11245–

3118Keya Paha County, NENE79244–

3119Kiowa County, COCO1,41244–

3120Harding County, NMNM61741–

3121Treasure County, MTMT72838–

3122Sully County, SDSD1,47937–

3123Logan County, NDND1,85936–

3124Borden County, TXTX56732–

3125Billings County, NDND1,07129–

3126Daggett County, UTUT93428–

3127Petroleum County, MTMT54826–

3128Banner County, NENE68626–

3129Kent County, TXTX67426–

3130Campbell County, SDSD1,37722–

3131Thomas County, NENE63914–

3132McPherson County, NENE36914–

3133Loving County, TXTX5213–

3134Slope County, NDND6284–

3135Kalawao County, HIHI820–

SHOWING 3,001–3,135 OF 3,135

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS