Which county has the highest uninsured residents?

Harris County, Texas ranks #1 with 1,005,342 (2024 American Community Survey).

What are the top 5 counties by uninsured residents?

Harris County, Texas, Los Angeles County, California, Dallas County, Texas, Maricopa County, Arizona, Cook County, Illinois.

How many counties are in this ranking?

3,144 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.

How is uninsured residents measured?

Number of civilian noninstitutionalized residents without health insurance (ACS S2701). The raw-count companion to the uninsured rate. Source: US Census Bureau, American Community Survey 5-year estimates (2024).

RANKING · 2024 ACS · 144 SHOWN OF 3,144

Most uninsured people, US counties

US counties with the most residents lacking health insurance, as of the 2024 American Community Survey. Ranked by number of people, not the uninsured rate.

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2020 2024

RANKPLACESTATEPOPUNINSURED RESIDENTSVS 2020

3001▼58Deuel County, NENE1,862168−34%

3002▼15Lincoln County, KSKS2,861168−20%

3003▲30Putnam County, ILIL5,619166+2%

3004▼40Frontier County, NENE2,655164−28%

3005▼19Taliaferro County, GAGA1,662164−22%

3006▼89Henderson County, ILIL5,984162−43%

3007▲45Foster County, NDND3,212161+22%

3008▲4Rawlins County, KSKS2,431160−11%

3009▼40Lane County, KSKS1,508159−30%

3010▼99Gove County, KSKS2,631159−44%

3011▲28Perkins County, NENE2,849157+3%

3012▼68Garden County, NENE1,804155−39%

3013▲67Wichita County, KSKS2,031155+48%

3014▼84Cavalier County, NDND3,497153−43%

3015▲72Hand County, SDSD3,121153+63%

3016▼42Ransom County, NDND5,617152−32%

3017▼11Cottle County, TXTX1,224152−16%

3018▲35Worth County, MOMO1,914151+14%

3019▼83Craig County, VAVA4,800151−43%

3020▼299Martin County, KYKY10,697151−68%

3021▼100Stonewall County, TXTX1,186150−46%

3022▼59Clark County, IDID783144−38%

3023▼118Hitchcock County, NENE2,467142−51%

3024▲53Wells County, NDND3,729142+29%

3025▲26Judith Basin County, MTMT2,162141+5%

3026▼93Decatur County, KSKS2,716140−47%

3027▼182Piute County, UTUT1,509140−59%

3028▼21Powder River County, MTMT1,781134−26%

3029▲18Camas County, IDID1,316134−4%

3030▼34Lake of the Woods County, MNMN3,770133−30%

3031▼61Aurora County, SDSD2,801133−41%

3032▲26Miner County, SDSD2,281132+5%

3033▲55Greeley County, KSKS1,182132+43%

3034▲29Clark County, KSKS1,900131+7%

3035▲31Yakutat, AKAK672130+10%

3036▲13Faulk County, SDSD2,178130−4%

3037▼49Hardin County, ILIL3,588130−38%

3038▲55Terrell County, TXTX702127+44%

3039▼59Niobrara County, WYWY2,341127−41%

3040▲31Comanche County, KSKS1,673125+7%

3041▼37Franklin County, NENE2,795124−33%

3042▼37Sanborn County, SDSD2,388124−32%

3043▼8Boyd County, NENE1,674122−23%

3044▼113Sherman County, NENE2,924121−55%

3045▼445Cameron Parish, LALA4,718119−80%

3046▲14Renville County, NDND2,331118−6%

3047▲72Kiowa County, COCO1,412118+168%

3048▼92Adams County, IAIA3,617118−50%

3049▼20Nelson County, NDND2,963117−29%

3050▼25McIntosh County, NDND2,451117−30%

3051▼70Graham County, KSKS2,371117−45%

3052▼90Hettinger County, NDND2,492116−50%

3053▲52Steele County, NDND1,797116+57%

3054▼71Trego County, KSKS2,740116−45%

3055▼36Haakon County, SDSD1,802113−34%

3056▲39Griggs County, NDND2,239112+32%

3057▲33Pope County, ILIL3,672111+23%

3058▼47Adams County, NDND2,275110−39%

3059▲5Eddy County, NDND2,329109−10%

3060▲26Gilliam County, OROR1,971109+15%

3061▼286Wayne County, UTUT2,587107−74%

3062▼46Skagway, AKAK1,104106−39%

3063▼27Garfield County, MTMT1,148106−32%

3064▼16Greeley County, NENE2,154106−23%

3065▼55McMullen County, TXTX544105−42%

3066▲3Jackson County, COCO1,211105−11%

3067▼8Stanley County, SDSD3,018104−17%

3068▲54Sully County, SDSD1,479101+173%

3069▲47Calhoun County, ILIL4,300101+120%

3070▼29Garfield County, WAWA2,416101−30%

3071▼43Sioux County, NENE1,18899−40%

3072▼30Potter County, SDSD2,37799−31%

3073▼283Bath County, VAVA4,07699−75%

3074▼161Kittson County, MNMN4,03197−66%

3075▼32Grant County, NDND2,20696−32%

3076▼91Carter County, MTMT1,38396−55%

3077▼69Dundy County, NENE1,56894−48%

3078▲13Burke County, NDND2,13294+6%

3079▼66Towner County, NDND2,04094−47%

3080▼24Mineral County, COCO91094−27%

3081▼184Brown County, ILIL6,40194−68%

3082▼42Cameron County, PAPA4,21193−36%

3083▼15Hinsdale County, COCO75393−21%

3084▲18Roberts County, TXTX86792+16%

3085▼30Cheyenne County, COCO1,71390−32%

3086▼62Robertson County, KYKY2,32589−47%

3087▼20Red Lake County, MNMN3,94089−25%

3088▼71Highland County, VAVA2,31889−49%

3089▼14McCone County, MTMT1,72087−21%

3090▼5Jones County, SDSD91387−9%

3091▼45Oliver County, NDND1,89886−39%

3092▼113Fallon County, MTMT2,95985−61%

3093▼31Mora County, NMNM4,05184−32%

3094▲24Keya Paha County, NENE79281+84%

3095▼14Sheridan County, NDND1,29681−22%

3096▲3Issaquena County, MSMS1,26377−5%

3097▲33Campbell County, SDSD1,37777+250%

3098Wibaux County, MTMT88576−7%

3099▲10Wheeler County, NENE78976+13%

3100▲26Daggett County, UTUT93475+168%

3101▼47Armstrong County, TXTX1,84374−44%

3102▲5San Juan County, COCO81373+3%

3103▼110Hodgeman County, KSKS1,61973−62%

3104▼86Meagher County, MTMT2,13772−58%

3105▲23Banner County, NENE68672+177%

3106▲6Hyde County, SDSD1,19170+19%

3107▼18Grant County, NENE56166−27%

3108▼76Liberty County, MTMT1,95766−59%

3109▼64Rock County, NENE1,25964−55%

3110▼612Crockett County, TXTX2,76963−91%

3111▲14Billings County, NDND1,07161+110%

3112▼6Wallace County, KSKS1,44161−18%

3113▼10Garfield County, NENE1,71060−20%

3114▼22Alpine County, CACA1,04359−33%

3115▼32Traverse County, MNMN3,13059−43%

3116▼22Hooker County, NENE68659−32%

3117▼33Jerauld County, SDSD1,65459−43%

3118▼1Prairie County, MTMT1,11258+29%

3119▼22Logan County, NENE66955−35%

3120▼251Kidder County, NDND2,39355−83%

3121▼6Loup County, NENE57055+17%

3122▲1Logan County, NDND1,85951+42%

3123▼66Sherman County, OROR2,05150−60%

3124▼20Wheeler County, OROR1,47248−36%

3125▼51Esmeralda County, NVNV72948−58%

3126▼15Hayes County, NENE82147−20%

3127▼96McPherson County, SDSD2,34739−76%

3128▼50Kenedy County, TXTX31936−66%

3129▼47Golden Valley County, NDND1,80836−65%

3130▲4Slope County, NDND62834+750%

3131▼17Arthur County, NENE39633−34%

3132▼31Harding County, SDSD1,33132−60%

3133▼6Petroleum County, MTMT54830+15%

3134▼13Treasure County, MTMT72830−21%

3135▼27Daniels County, MTMT1,61229−58%

3136▼5Thomas County, NENE63928+100%

3137▼8Kent County, TXTX674260%

3138▼25Blaine County, NENE45821−62%

3139▼15Borden County, TXTX56719−41%

3140▼30King County, TXTX19216−76%

3141▼9McPherson County, NENE36916+14%

3142▼22Harding County, NMNM6179−78%

3143▼8Kalawao County, HIHI823–

3144▼11Loving County, TXTX520−100%

SHOWING 3,001–3,144 OF 3,144

1 2 3 4 5 6 7

Download CSV (full list, 3,144 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES