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

3001▼15McIntosh County, NDND2,451−28%

3002▼6Kiowa County, KSKS2,432−26%

3003▼20Rawlins County, KSKS2,431−18%

3004▼6Sheridan County, KSKS2,427−14%

3005▲8Garfield County, WAWA2,416+1%

3006▼3Kidder County, NDND2,393−13%

3007▼7Ziebach County, SDSD2,389−5%

3008▼1Sanborn County, SDSD2,388−11%

3009▼15Potter County, SDSD2,377−12%

3010▼11Graham County, KSKS2,371−20%

3011▼6Webster County, GAGA2,369−1%

3012▼11McPherson County, SDSD2,347−19%

3013▼18Niobrara County, WYWY2,341−3%

3014Renville County, NDND2,331−11%

3015▼9Eddy County, NDND2,329−16%

3016▼25Harmon County, OKOK2,327−29%

3017▲3Robertson County, KYKY2,325+3%

3018▼2Highland County, VAVA2,318−9%

3019▼8Miner County, SDSD2,281−21%

3020▼2Adams County, NDND2,275−12%

3021▼17Hoonah-Angoon Census Area, AKAK2,271–

3022▼1Culberson County, TXTX2,267−24%

3023▼8Quitman County, GAGA2,254−13%

3024▼22Sedgwick County, COCO2,247−18%

3025▼28Schleicher County, TXTX2,245−24%

3026▼17Griggs County, NDND2,239−19%

3027▼17Grant County, NDND2,206−22%

3028▲2Keweenaw County, MIMI2,186−5%

3029▼3Faulk County, SDSD2,178−18%

3030▲1Judith Basin County, MTMT2,162−7%

3031▼9Greeley County, NENE2,154−21%

3032▲7Meagher County, MTMT2,137+11%

3033▲7Mellette County, SDSD2,137+3%

3034▼17Burke County, NDND2,132−5%

3035▼16Divide County, NDND2,110−8%

3036▼7Wheatland County, MTMT2,100−7%

3037▼9Haines, AKAK2,068−14%

3038▼26Cimarron County, OKOK2,059−35%

3039▲7Sherman County, OROR2,051+6%

3040▼17Towner County, NDND2,040−29%

3041▼17Wichita County, KSKS2,031−20%

3042▼17Wrangell, AKAK2,007–

3043▼16Stanton County, KSKS1,986−17%

3044▼11Gilliam County, OROR1,971+3%

3045▼8Liberty County, MTMT1,957−9%

3046▼10Menard County, TXTX1,956−17%

3047▼12Worth County, MOMO1,914−20%

3048▼14Clark County, KSKS1,900−21%

3049▼7Oliver County, NDND1,898−8%

3050▼3Eureka County, NVNV1,867+13%

3051▼2Deuel County, NENE1,862−11%

3052▼9Logan County, NDND1,859−19%

3053▼5Armstrong County, TXTX1,843−14%

3054▲2Golden Valley County, NDND1,808−6%

3055▼11Garden County, NENE1,804−21%

3056▼15Gosper County, NENE1,803−16%

3057▼19Buffalo County, SDSD1,802−11%

3058▼13Haakon County, SDSD1,802−18%

3059▼7Steele County, NDND1,797−20%

3060▼6Oldham County, TXTX1,783−18%

3061▼1Powder River County, MTMT1,781−4%

3062▼5McCone County, MTMT1,720−13%

3063▼8Cheyenne County, COCO1,713−23%

3064▼32Jeff Davis County, TXTX1,711−22%

3065▼15Garfield County, NENE1,710−10%

3066▼13Dickens County, TXTX1,692−39%

3067▼16Boyd County, NENE1,674−31%

3068▼7Comanche County, KSKS1,673−15%

3069▼2Taliaferro County, GAGA1,662−20%

3070▼8Jerauld County, SDSD1,654−28%

3071▼12De Baca County, NMNM1,647−26%

3072▼14Hodgeman County, KSKS1,619−22%

3073▼8Denali, AKAK1,616−15%

3074▼11Daniels County, MTMT1,612−20%

3075▼11Dundy County, NENE1,568−32%

3076▼2Throckmorton County, TXTX1,554−16%

3077▼2Piute County, UTUT1,509+5%

3078▼12Lane County, KSKS1,508−30%

3079▼7Sully County, SDSD1,479−5%

3080▼4Briscoe County, TXTX1,474−18%

3081▼10Wheeler County, OROR1,472−5%

3082▼14Irion County, TXTX1,463−17%

3083▼14Wallace County, KSKS1,441−18%

3084▼11Kiowa County, COCO1,412−13%

3085▼7Carter County, MTMT1,383+2%

3086▼5Campbell County, SDSD1,377−23%

3087▼10Edwards County, TXTX1,370−37%

3088▼18Lake and Peninsula, AKAK1,357−26%

3089▼7Sterling County, TXTX1,349−3%

3090▼6Harding County, SDSD1,331−2%

3091▲6Camas County, IDID1,316+33%

3092▼6Sheridan County, NDND1,296−24%

3093▼10Issaquena County, MSMS1,263−44%

3094▼7Rock County, NENE1,259−28%

3095▼16Cottle County, TXTX1,224−36%

3096▼16Jackson County, COCO1,211−23%

3097▼9Hyde County, SDSD1,191−29%

3098▼5Sioux County, NENE1,188−19%

3099▼10Stonewall County, TXTX1,186−30%

3100▼15Greeley County, KSKS1,182−23%

3101▼9Garfield County, MTMT1,148−10%

3102▼8Glasscock County, TXTX1,128−20%

3103▼7Prairie County, MTMT1,112−7%

3104▼14Skagway, AKAK1,104–

3105▼6Billings County, NDND1,071+21%

3106▼11Foard County, TXTX1,044−36%

3107▼16Alpine County, CACA1,043−14%

3108▼10Motley County, TXTX1,043−27%

3109▼8Daggett County, UTUT934+1%

3110▼8Jones County, SDSD913−23%

3111▼8Mineral County, COCO910+10%

3112▼12Wibaux County, MTMT885−17%

3113▼7Roberts County, TXTX867−2%

3114▼9Bristol Bay, AKAK847−33%

3115▼8Golden Valley County, MTMT844−19%

3116▼12Hayes County, NENE821−23%

3117▲2San Juan County, COCO813+46%

3118▼7Keya Paha County, NENE792−19%

3119▼9Wheeler County, NENE789−11%

3120▼12Clark County, IDID783−23%

3121▼12Hinsdale County, COCO753−5%

3122▼7Esmeralda County, NVNV729−25%

3123▼11Treasure County, MTMT728−15%

3124▼11Terrell County, TXTX702−35%

3125▼5Banner County, NENE686−16%

3126▼9Hooker County, NENE686−12%

3127▼13Kent County, TXTX674−22%

3128▼6Yakutat, AKAK672−17%

3129▼13Logan County, NENE669−14%

3130▼9Thomas County, NENE639−12%

3131▼13Slope County, NDND628−18%

3132▼9Harding County, NMNM617−24%

3133▼7Loup County, NENE570−20%

3134▼10Borden County, TXTX567−22%

3135▼10Grant County, NENE561−25%

3136▼8Petroleum County, MTMT548+11%

3137▼10McMullen County, TXTX544−36%

3138▼8Blaine County, NENE458−21%

3139▼10Arthur County, NENE396−11%

3140▼9McPherson County, NENE369−31%

3141▼9Kenedy County, TXTX319−23%

3142▼9King County, TXTX192−46%

3143▼9Kalawao County, HIHI82−44%

3144▼9Loving County, TXTX52−22%

SHOWING 3,001–3,144 OF 3,144

1 2 3 4 5 6 7

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES