Which county has the highest american population?

Los Angeles County, California ranks #1 with 308,717 (2024 American Community Survey).

What are the top 5 counties by american population?

Los Angeles County, California, Maricopa County, Arizona, Harris County, Texas, Orange County, California, Orange County, Florida.

How many counties are in this ranking?

3,138 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.

How is american population measured?

Number of residents who are American ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2024).

RANKING · 2024 ACS · 138 SHOWN OF 3,138

Largest American population, US counties

US counties ranked by the number of residents who are American ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV.

American ancestry: full group profile →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN POPULATIONVS 2010

3001▼46Thurston County, NENE6,75294+13%

3002▼30Potter County, SDSD2,377940%

3003▼51Meade County, KSKS3,85294−61%

3004▼95Ness County, KSKS2,61794−30%

3005▲32Mahnomen County, MNMN5,15392−9%

3006▼69Storey County, NVNV4,26092−12%

3007▼171Hemphill County, TXTX3,08392−77%

3008▼159Hidalgo County, NMNM3,92991−50%

3009▼29Rich County, UTUT2,68791−51%

3010▼180Issaquena County, MSMS1,26389−80%

3011▼60Petroleum County, MTMT54888+319%

3012▼24LaMoure County, NDND4,13588−27%

3013▲64Sterling County, TXTX1,34988−51%

3014▼209Miner County, SDSD2,28187−15%

3015▼6Oliver County, NDND1,89886+8%

3016▼27Cottle County, TXTX1,22486−9%

3017▼59Dimmit County, TXTX8,02486+9%

3018▼75Carter County, MTMT1,38384+50%

3019▼51Real County, TXTX2,74584−84%

3020▲39Stanton County, KSKS1,98684−3%

3021▼104Deuel County, SDSD4,40883−34%

3022▲14Niobrara County, WYWY2,34183+15%

3023▲27Petersburg, AKAK3,39482−55%

3024▼74Haskell County, KSKS3,59981−13%

3025▲37Treasure County, MTMT72881−76%

3026▼165Webster County, NENE3,33680−50%

3027▲91Eddy County, NDND2,32979+155%

3028▼27Emmons County, NDND3,21579+58%

3029▼31Southeast Fairbanks Census Area, AKAK7,27078−87%

3030▼452Jefferson County, MSMS6,82577−77%

3031▲13Sully County, SDSD1,47977+67%

3032▼92Trego County, KSKS2,74077−50%

3033▼21Bennett County, SDSD3,30774+12%

3034▼73Haakon County, SDSD1,80274+222%

3035▲85Jackson County, COCO1,21174−30%

3036▼154Nome Census Area, AKAK9,83073+62%

3037▼46De Baca County, NMNM1,64773−70%

3038▼131Oldham County, TXTX1,78373−60%

3039▼22Stonewall County, TXTX1,18673−55%

3040▼138Harlan County, NENE3,00072−48%

3041▼202Mason County, TXTX3,99072−88%

3042▼79Hodgeman County, KSKS1,61972−3%

3043▼166Donley County, TXTX3,21371+69%

3044▼47Wallace County, KSKS1,44170−24%

3045▼233Phillips County, COCO4,42068−77%

3046▲8Concho County, TXTX3,60767−94%

3047▲37Greeley County, KSKS1,182670%

3048▼88Deuel County, NENE1,86266−34%

3049▼114Sargent County, NDND3,71166−45%

3050▼32Kiowa County, COCO1,41266+6%

3051▼28Sedgwick County, COCO2,24766−53%

3052▼45Harding County, SDSD1,33164+94%

3053▲17Motley County, TXTX1,04363−11%

3054▲42Blaine County, NENE45862+121%

3055▲20Griggs County, NDND2,23960+114%

3056▲24Garfield County, NENE1,71059−54%

3057▼103Rock County, NENE1,25959+13%

3058▼71Roberts County, TXTX86759+40%

3059▲2Yukon-Koyukuk Census Area, AKAK5,02858−65%

3060▼49Hettinger County, NDND2,49258−27%

3061▼87Logan County, NDND1,85958−54%

3062▲40Slope County, NDND62857+185%

3063▼159Marshall County, SDSD4,42657−54%

3064▼140Taliaferro County, GAGA1,66257−87%

3065▲30Foard County, TXTX1,04457−32%

3066▼24Sherman County, NENE2,92455−62%

3067▼64Greeley County, NENE2,15454−56%

3068▼138Collingsworth County, TXTX2,48754−75%

3069▼113Kidder County, NDND2,39353+23%

3070▲54Wrangell, AKAK2,00752−32%

3071▼30Hayes County, NENE82152+44%

3072▼177Gilliam County, OROR1,97152−64%

3073▲16Campbell County, SDSD1,37752+37%

3074▼156Rush County, KSKS2,84552−67%

3075▼9North Slope, AKAK10,58250+285%

3076▼221Denali, AKAK1,61649−55%

3077▼53Briscoe County, TXTX1,47449−63%

3078▼23Sioux County, NENE1,18848−13%

3079▼23Towner County, NDND2,04048−34%

3080▼98Brooks County, TXTX6,57947−80%

3081▼67Prince of Wales-Hyder Census Area, AKAK5,77745−39%

3082▼8Divide County, NDND2,11045−24%

3083▼7Keweenaw County, MIMI2,18645−58%

3084▼131Logan County, NENE66945+125%

3085▼146Adams County, NDND2,27544−60%

3086▼21Golden Valley County, MTMT84443−41%

3087▼120Kent County, TXTX67442−61%

3088▲6McPherson County, NENE36942+425%

3089▼44Pawnee County, NENE2,51041−34%

3090▲20Daggett County, UTUT93441+413%

3091▼42Aleutians West Census Area, AKAK5,240400%

3092▼77Foster County, NDND3,21240−80%

3093▼45Kearny County, KSKS3,88837−47%

3094▼116Faulk County, SDSD2,17835−66%

3095▼38Hyde County, SDSD1,191350%

3096▼76Reagan County, TXTX3,16635−87%

3097▲7Upton County, TXTX3,13135+3400%

3098▲19Menominee County, WIWI4,19935–

3099▲30Billings County, NDND1,07134+325%

3100▲6Hooker County, NENE68633−58%

3101▼38Benson County, NDND5,75933−21%

3102▲24Thomas County, NENE639320%

3103▲2Nelson County, NDND2,96332−74%

3104▼6Copper River Census Area, AKAK2,66631–

3105▼19McMullen County, TXTX54430–

3106▲24Hinsdale County, COCO75330+650%

3107▼8Sheridan County, NDND1,29629+26%

3108▼5Keya Paha County, NENE79227−65%

3109▼123Cheyenne County, COCO1,71327−58%

3110▲2San Juan County, COCO81327–

3111▼64Glasscock County, TXTX1,128260%

3112▲11Aleutians East, AKAK3,47924−48%

3113▼31Lane County, KSKS1,50824−80%

3114▼47Grant County, NENE56121−80%

3115▼42Jackson County, SDSD2,66620+300%

3116▼9Wheeler County, NENE78919−58%

3117▼36McPherson County, SDSD2,34719−69%

3118▼17Schleicher County, TXTX2,24518−96%

3119▼4Mineral County, COCO91018−68%

3120▼35Loup County, NENE57018−63%

3121▼70Hamilton County, KSKS2,50017−71%

3122▼1Northwest Arctic, AKAK7,09516+33%

3123▼31Banner County, NENE68616−73%

3124▼141Edwards County, TXTX1,37013−96%

3125▼418Jeff Davis County, TXTX1,71112−89%

3126▼184Haines, AKAK2,06811−59%

3127▲1Skagway, AKAK1,10411+1000%

3128▼20Steele County, NDND1,79711−42%

3129▼38Arthur County, NENE39610−57%

3130Bristol Bay, AKAK8479+50%

3131▼31Menard County, TXTX1,9569−99%

3132▼5Kusilvak Census Area, AKAK7,9327–

3133▼24King County, TXTX1927−70%

3134▼18Sioux County, NDND3,6676−50%

3135▼141Crockett County, TXTX2,7696−98%

3136▼48Hoonah-Angoon Census Area, AKAK2,2715−89%

3137▼24Dillingham Census Area, AKAK4,4834−83%

3138▼13Yakutat, AKAK6722−80%

SHOWING 3,001–3,138 OF 3,138

1 2 3 4 5 6 7

Download CSV (full list, 3,138 rows)

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