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RANKING · 2020 CENSUS · 135 SHOWN OF 3,135

Largest by population, US counties · 2020

The most populous US counties as of the 2020 population estimates.

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SAME RANKING BYCitiesStatesMetrosZIP codes
RELATEDFastest growingFastest shrinkingMost population gainedMost population lostMost densely populatedMost sparsely populated
YEAR19902000201020202025
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RANKPLACESTATETOTAL POPULATIONVS 2000
3001McPherson County, SDSD2,411−17%
3002Sedgwick County, COCO2,404−12%
3003Kidder County, NDND2,394−13%
3004Hoonah-Angoon Census Area, AKAK2,365–
3005Webster County, GAGA2,348−2%
3006Eddy County, NDND2,347−15%
3007Sanborn County, SDSD2,330−13%
3008Dolores County, COCO2,326+26%
3009Griggs County, NDND2,306−16%
3010Grant County, NDND2,301−19%
3011Miner County, SDSD2,298−20%
3012Cimarron County, OKOK2,296−27%
3013Garfield County, WAWA2,286−5%
3014Renville County, NDND2,282−13%
3015Quitman County, GAGA2,235−14%
3016Highland County, VAVA2,232−12%
3017Burke County, NDND2,201−2%
3018Adams County, NDND2,200−15%
3019Divide County, NDND2,195−4%
3020Robertson County, KYKY2,193−3%
3021Culberson County, TXTX2,188−26%
3022Greeley County, NENE2,188−19%
3023Towner County, NDND2,162−25%
3024Wichita County, KSKS2,152−15%
3025Wrangell, AKAK2,127–
3026Faulk County, SDSD2,125−20%
3027Stanton County, KSKS2,084−13%
3028Haines, AKAK2,080−13%
3029Wheatland County, MTMT2,069−8%
3030Keweenaw County, MIMI2,046−11%
3031Judith Basin County, MTMT2,023−13%
3032Jeff Davis County, TXTX1,996−10%
3033Gilliam County, OROR1,995+4%
3034Clark County, KSKS1,991−17%
3035Worth County, MOMO1,973−17%
3036Menard County, TXTX1,962−17%
3037Liberty County, MTMT1,959−9%
3038Buffalo County, SDSD1,948−4%
3039Meagher County, MTMT1,927−0%
3040Mellette County, SDSD1,918−8%
3041Gosper County, NENE1,893−12%
3042Oliver County, NDND1,877−9%
3043Logan County, NDND1,876−19%
3044Garden County, NENE1,874−18%
3045Haakon County, SDSD1,872−15%
3046Sherman County, OROR1,870−3%
3047Eureka County, NVNV1,855+12%
3048Armstrong County, TXTX1,848−14%
3049Deuel County, NENE1,838−12%
3050Garfield County, NENE1,813−5%
3051Boyd County, NENE1,810−26%
3052Steele County, NDND1,798−20%
3053Dickens County, TXTX1,770−36%
3054Oldham County, TXTX1,758−20%
3055Cheyenne County, COCO1,748−22%
3056Golden Valley County, NDND1,736−10%
3057McCone County, MTMT1,729−13%
3058Hodgeman County, KSKS1,723−17%
3059De Baca County, NMNM1,698−24%
3060Powder River County, MTMT1,694−9%
3061Comanche County, KSKS1,689−14%
3062Jerauld County, SDSD1,663−28%
3063Daniels County, MTMT1,661−18%
3064Dundy County, NENE1,654−28%
3065Denali, AKAK1,619−14%
3066Lane County, KSKS1,574−27%
3067Taliaferro County, GAGA1,559−25%
3068Irion County, TXTX1,513−15%
3069Wallace County, KSKS1,512−14%
3070Lake and Peninsula, AKAK1,476−19%
3071Wheeler County, OROR1,451−6%
3072Sully County, SDSD1,446−7%
3073Kiowa County, COCO1,446−11%
3074Throckmorton County, TXTX1,440−22%
3075Piute County, UTUT1,438+0%
3076Briscoe County, TXTX1,435−20%
3077Edwards County, TXTX1,422−34%
3078Carter County, MTMT1,415+4%
3079Cottle County, TXTX1,380−28%
3080Jackson County, COCO1,379−13%
3081Campbell County, SDSD1,377−23%
3082Sterling County, TXTX1,372−2%
3083Issaquena County, MSMS1,338−41%
3084Harding County, SDSD1,311−3%
3085Greeley County, KSKS1,284−16%
3086Sheridan County, NDND1,265−26%
3087Rock County, NENE1,262−28%
3088Hyde County, SDSD1,262−24%
3089Stonewall County, TXTX1,245−26%
3090Skagway, AKAK1,240–
3091Alpine County, CACA1,204−0%
3092Garfield County, MTMT1,173−8%
3093Sioux County, NENE1,135−23%
3094Glasscock County, TXTX1,116−21%
3095Foard County, TXTX1,095−32%
3096Prairie County, MTMT1,088−9%
3097Camas County, IDID1,077+9%
3098Motley County, TXTX1,063−25%
3099Billings County, NDND945+6%
3100Wibaux County, MTMT937−12%
3101Daggett County, UTUT935+2%
3102Jones County, SDSD917−23%
3103Mineral County, COCO865+4%
3104Hayes County, NENE856−20%
3105Bristol Bay, AKAK844−33%
3106Roberts County, TXTX827−7%
3107Golden Valley County, MTMT823−21%
3108Clark County, IDID790−23%
3109Hinsdale County, COCO788−0%
3110Wheeler County, NENE774−13%
3111Keya Paha County, NENE769−22%
3112Treasure County, MTMT762−11%
3113Terrell County, TXTX760−30%
3114Kent County, TXTX753−12%
3115Esmeralda County, NVNV729−25%
3116Logan County, NENE716−7%
3117Hooker County, NENE711−9%
3118Slope County, NDND706−8%
3119San Juan County, COCO705+26%
3120Banner County, NENE674−18%
3121Thomas County, NENE669−8%
3122Yakutat, AKAK662−18%
3123Harding County, NMNM657−19%
3124Borden County, TXTX631−13%
3125Grant County, NENE611−18%
3126Loup County, NENE607−15%
3127McMullen County, TXTX600−29%
3128Petroleum County, MTMT496+1%
3129Arthur County, NENE434−2%
3130Blaine County, NENE431−26%
3131McPherson County, NENE399−25%
3132Kenedy County, TXTX350−15%
3133King County, TXTX265−26%
3134Kalawao County, HIHI82−44%
3135Loving County, TXTX64−4%
SHOWING 3,001–3,135 OF 3,135
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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS