Which county has the highest american population?

Los Angeles County, California ranks #1 with 207,551 (2010 Decennial Census).

What are the top 5 counties by american population?

Los Angeles County, California, Maricopa County, Arizona, Harris County, Texas, Tarrant County, Texas, Dallas County, Texas.

How many counties are in this ranking?

3,123 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 Decennial Census data.

How is american population measured?

Number of residents who are American ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2010 Decennial Census.

RANKING · 2010 CENSUS · 123 SHOWN OF 3,123

Largest American population, US counties · 2010

US counties ranked by the number of residents who are American ancestry, from the 2010 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 –

3001Sherman County, OROR2,05189–

3002Dundy County, NENE1,56888–

3003Pierce County, NDND3,83888–

3004Stanton County, KSKS1,98687–

3005Martin County, TXTX5,28486–

3006Wilkin County, MNMN6,28885–

3007Cimarron County, OKOK2,05984–

3008Foard County, TXTX1,04484–

3009Cook County, MNMN5,52283–

3010Gosper County, NENE1,80383–

3011Thurston County, NENE6,75283–

3012Kittson County, MNMN4,03182–

3013Traverse County, MNMN3,13080–

3014Oliver County, NDND1,89880–

3015Hettinger County, NDND2,49279–

3016Wells County, NDND3,72979–

3017Dimmit County, TXTX8,02479–

3018Hooker County, NENE68678–

3019Keya Paha County, NENE79278–

3020Red Lake County, MNMN3,94077–

3021Garfield County, WAWA2,41677–

3022Wrangell, AKAK2,00776–

3023Prince of Wales-Hyder Census Area, AKAK5,77774–

3024Hodgeman County, KSKS1,61974–

3025Stanley County, SDSD3,01873–

3026Golden Valley County, MTMT84473–

3027Towner County, NDND2,04073–

3028Niobrara County, WYWY2,34172–

3029Motley County, TXTX1,04371–

3030Kearny County, KSKS3,88870–

3031Brule County, SDSD5,27869–

3032Greeley County, KSKS1,18267–

3033Bennett County, SDSD3,30766–

3034Cheyenne County, COCO1,71364–

3035Meagher County, MTMT2,13764–

3036Dunn County, NDND4,05864–

3037Kiowa County, COCO1,41262–

3038McPherson County, SDSD2,34762–

3039Pawnee County, NENE2,51062–

3040Morton County, KSKS2,47060–

3041Armstrong County, TXTX1,84360–

3042Hamilton County, KSKS2,50059–

3043Banner County, NENE68659–

3044Dickey County, NDND4,89559–

3045Divide County, NDND2,11059–

3046Florence County, WIWI4,74859–

3047Mountrail County, NDND9,39558–

3048Wayne County, UTUT2,58758–

3049Mineral County, COCO91057–

3050Clark County, IDID78356–

3051Carter County, MTMT1,38356–

3052Renville County, NDND2,33156–

3053Sioux County, NENE1,18855–

3054Grant County, NDND2,20654–

3055Bethel Census Area, AKAK18,39153–

3056Lake of the Woods County, MNMN3,77053–

3057Rock County, NENE1,25952–

3058Ziebach County, SDSD2,38951–

3059Emmons County, NDND3,21550–

3060Loup County, NENE57049–

3061Aleutians East, AKAK3,47946–

3062Hoonah-Angoon Census Area, AKAK2,27146–

3063Sully County, SDSD1,47946–

3064Nome Census Area, AKAK9,83045–

3065Jerauld County, SDSD1,65445–

3066Wheeler County, NENE78945–

3067McKenzie County, NDND15,19244–

3068Kidder County, NDND2,39343–

3069Benson County, NDND5,75942–

3070Roberts County, TXTX86742–

3071Donley County, TXTX3,21342–

3072Boyd County, NENE1,67441–

3073Rolette County, NDND11,68841–

3074Piute County, UTUT1,50941–

3075Aleutians West Census Area, AKAK5,24040–

3076Mora County, NMNM4,05139–

3077Golden Valley County, NDND1,80839–

3078Campbell County, SDSD1,37738–

3079Lyman County, SDSD3,69437–

3080Hayes County, NENE82136–

3081Zavala County, TXTX9,03736–

3082Hyde County, SDSD1,19135–

3083Corson County, SDSD3,78134–

3084Judith Basin County, MTMT2,16234–

3085Dewey County, SDSD5,41933–

3086Harding County, SDSD1,33133–

3087Liberty County, MTMT1,95732–

3088Thomas County, NENE63932–

3089Eddy County, NDND2,32931–

3090Blaine County, NENE45828–

3091Burke County, NDND2,13228–

3092Griggs County, NDND2,23928–

3093Haines, AKAK2,06827–

3094Glasscock County, TXTX1,12826–

3095Dillingham Census Area, AKAK4,48323–

3096Haakon County, SDSD1,80223–

3097Arthur County, NENE39623–

3098Sheridan County, NDND1,29623–

3099King County, TXTX19223–

3100Petroleum County, MTMT54821–

3101Harding County, NMNM61721–

3102Jones County, SDSD91320–

3103Logan County, NENE66920–

3104Slope County, NDND62820–

3105Daniels County, MTMT1,61219–

3106Steele County, NDND1,79719–

3107Alpine County, CACA1,04315–

3108Borden County, TXTX56714–

3109North Slope, AKAK10,58213–

3110Northwest Arctic, AKAK7,09512–

3111Mellette County, SDSD2,13712–

3112Sioux County, NDND3,66712–

3113Yakutat, AKAK67210–

3114Fallon County, MTMT2,95910–

3115McPherson County, NENE3698–

3116Billings County, NDND1,0718–

3117Daggett County, UTUT9348–

3118Bristol Bay, AKAK8476–

3119Jackson County, SDSD2,6665–

3120Hinsdale County, COCO7534–

3121Lake and Peninsula, AKAK1,3572–

3122Skagway, AKAK1,1041–

3123Upton County, TXTX3,1311–

SHOWING 3,001–3,123 OF 3,123

1 2 3 4 5 6 7

Download CSV (full list, 3,123 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS