Which county has the highest total population?

Los Angeles County, California ranks #1 with 9,694,934 (2025 Census Population Estimates).

What are the top 5 counties by total population?

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

How many counties are in this ranking?

3,144 counties qualify after filtering for population minimums and data availability. The ranking covers 2025 Census population estimates.

How is total population measured?

Total resident population. Source: US Census Bureau, Population Estimates Program (2025).

RANKING · 2025 ESTIMATES · 144 SHOWN OF 3,144

Largest by population, US counties

The most populous US counties as of the 2025 population estimates.

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

3001McIntosh County, NDND2,451−28%

3002Kiowa County, KSKS2,432−26%

3003Rawlins County, KSKS2,431−18%

3004Sheridan County, KSKS2,427−14%

3005Garfield County, WAWA2,416+1%

3006Kidder County, NDND2,393−13%

3007Ziebach County, SDSD2,389−5%

3008Sanborn County, SDSD2,388−11%

3009Potter County, SDSD2,377−12%

3010Graham County, KSKS2,371−20%

3011Webster County, GAGA2,369−1%

3012McPherson County, SDSD2,347−19%

3013Niobrara County, WYWY2,341−3%

3014Renville County, NDND2,331−11%

3015Eddy County, NDND2,329−16%

3016Harmon County, OKOK2,327−29%

3017Robertson County, KYKY2,325+3%

3018Highland County, VAVA2,318−9%

3019Miner County, SDSD2,281−21%

3020Adams County, NDND2,275−12%

3021Hoonah-Angoon Census Area, AKAK2,271–

3022Culberson County, TXTX2,267−24%

3023Quitman County, GAGA2,254−13%

3024Sedgwick County, COCO2,247−18%

3025Schleicher County, TXTX2,245−24%

3026Griggs County, NDND2,239−19%

3027Grant County, NDND2,206−22%

3028Keweenaw County, MIMI2,186−5%

3029Faulk County, SDSD2,178−18%

3030Judith Basin County, MTMT2,162−7%

3031Greeley County, NENE2,154−21%

3032Meagher County, MTMT2,137+11%

3033Mellette County, SDSD2,137+3%

3034Burke County, NDND2,132−5%

3035Divide County, NDND2,110−8%

3036Wheatland County, MTMT2,100−7%

3037Haines, AKAK2,068−14%

3038Cimarron County, OKOK2,059−35%

3039Sherman County, OROR2,051+6%

3040Towner County, NDND2,040−29%

3041Wichita County, KSKS2,031−20%

3042Wrangell, AKAK2,007–

3043Stanton County, KSKS1,986−17%

3044Gilliam County, OROR1,971+3%

3045Liberty County, MTMT1,957−9%

3046Menard County, TXTX1,956−17%

3047Worth County, MOMO1,914−20%

3048Clark County, KSKS1,900−21%

3049Oliver County, NDND1,898−8%

3050Eureka County, NVNV1,867+13%

3051Deuel County, NENE1,862−11%

3052Logan County, NDND1,859−19%

3053Armstrong County, TXTX1,843−14%

3054Golden Valley County, NDND1,808−6%

3055Garden County, NENE1,804−21%

3056Gosper County, NENE1,803−16%

3057Buffalo County, SDSD1,802−11%

3058Haakon County, SDSD1,802−18%

3059Steele County, NDND1,797−20%

3060Oldham County, TXTX1,783−18%

3061Powder River County, MTMT1,781−4%

3062McCone County, MTMT1,720−13%

3063Cheyenne County, COCO1,713−23%

3064Jeff Davis County, TXTX1,711−22%

3065Garfield County, NENE1,710−10%

3066Dickens County, TXTX1,692−39%

3067Boyd County, NENE1,674−31%

3068Comanche County, KSKS1,673−15%

3069Taliaferro County, GAGA1,662−20%

3070Jerauld County, SDSD1,654−28%

3071De Baca County, NMNM1,647−26%

3072Hodgeman County, KSKS1,619−22%

3073Denali, AKAK1,616−15%

3074Daniels County, MTMT1,612−20%

3075Dundy County, NENE1,568−32%

3076Throckmorton County, TXTX1,554−16%

3077Piute County, UTUT1,509+5%

3078Lane County, KSKS1,508−30%

3079Sully County, SDSD1,479−5%

3080Briscoe County, TXTX1,474−18%

3081Wheeler County, OROR1,472−5%

3082Irion County, TXTX1,463−17%

3083Wallace County, KSKS1,441−18%

3084Kiowa County, COCO1,412−13%

3085Carter County, MTMT1,383+2%

3086Campbell County, SDSD1,377−23%

3087Edwards County, TXTX1,370−37%

3088Lake and Peninsula, AKAK1,357−26%

3089Sterling County, TXTX1,349−3%

3090Harding County, SDSD1,331−2%

3091Camas County, IDID1,316+33%

3092Sheridan County, NDND1,296−24%

3093Issaquena County, MSMS1,263−44%

3094Rock County, NENE1,259−28%

3095Cottle County, TXTX1,224−36%

3096Jackson County, COCO1,211−23%

3097Hyde County, SDSD1,191−29%

3098Sioux County, NENE1,188−19%

3099Stonewall County, TXTX1,186−30%

3100Greeley County, KSKS1,182−23%

3101Garfield County, MTMT1,148−10%

3102Glasscock County, TXTX1,128−20%

3103Prairie County, MTMT1,112−7%

3104Skagway, AKAK1,104–

3105Billings County, NDND1,071+21%

3106Foard County, TXTX1,044−36%

3107Alpine County, CACA1,043−14%

3108Motley County, TXTX1,043−27%

3109Daggett County, UTUT934+1%

3110Jones County, SDSD913−23%

3111Mineral County, COCO910+10%

3112Wibaux County, MTMT885−17%

3113Roberts County, TXTX867−2%

3114Bristol Bay, AKAK847−33%

3115Golden Valley County, MTMT844−19%

3116Hayes County, NENE821−23%

3117San Juan County, COCO813+46%

3118Keya Paha County, NENE792−19%

3119Wheeler County, NENE789−11%

3120Clark County, IDID783−23%

3121Hinsdale County, COCO753−5%

3122Esmeralda County, NVNV729−25%

3123Treasure County, MTMT728−15%

3124Terrell County, TXTX702−35%

3125Banner County, NENE686−16%

3126Hooker County, NENE686−12%

3127Kent County, TXTX674−22%

3128Yakutat, AKAK672−17%

3129Logan County, NENE669−14%

3130Thomas County, NENE639−12%

3131Slope County, NDND628−18%

3132Harding County, NMNM617−24%

3133Loup County, NENE570−20%

3134Borden County, TXTX567−22%

3135Grant County, NENE561−25%

3136Petroleum County, MTMT548+11%

3137McMullen County, TXTX544−36%

3138Blaine County, NENE458−21%

3139Arthur County, NENE396−11%

3140McPherson County, NENE369−31%

3141Kenedy County, TXTX319−23%

3142King County, TXTX192−46%

3143Kalawao County, HIHI82−44%

3144Loving County, TXTX52−22%

SHOWING 3,001–3,144 OF 3,144

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES