Which county has the highest foreign-born population?

Los Angeles County, California ranks #1 with 3,377,634 (2020 Decennial Census).

What are the top 5 counties by foreign-born population?

Los Angeles County, California, Miami-Dade County, Florida, Harris County, Texas, Queens County, New York, Cook County, Illinois.

How many counties are in this ranking?

3,135 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.

How is foreign-born population measured?

Number of residents born outside the United States (ACS B05002). The raw-count companion to the foreign-born share. Source: US Census Bureau, 2020 Decennial Census.

RANKING · 2020 CENSUS · 135 SHOWN OF 3,135

Largest foreign-born population, US counties · 2020

US counties with the most residents born outside the United States, as of the 2020 American Community Survey. Ranked by number of people, not share.

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORN POPULATIONVS 2010

3001Lyman County, SDSD3,69426+73%

3002Miller County, GAGA5,81226−70%

3003Prairie County, ARAR7,92325+257%

3004Red Lake County, MNMN3,94025−55%

3005Atchison County, MOMO5,17525+9%

3006Franklin County, NENE2,79525+108%

3007Douglas County, SDSD2,88825−14%

3008Hand County, SDSD3,12125+1150%

3009Dolores County, COCO2,46625+525%

3010Crawford County, ININ10,50925−24%

3011Rush County, KSKS2,84525−48%

3012Sherman County, OROR2,05124−63%

3013Elliott County, KYKY7,26524–

3014Logan County, NDND1,85923+667%

3015Gregory County, SDSD4,03723−18%

3016Sanborn County, SDSD2,38823−51%

3017Audubon County, IAIA5,50923−43%

3018Wibaux County, MTMT88522+47%

3019Adams County, NDND2,27522+0%

3020Renville County, NDND2,33122−48%

3021Seminole County, GAGA9,16222−81%

3022Monroe County, ARAR6,24421−78%

3023Cameron County, PAPA4,21121−52%

3024Nance County, NENE3,29021+163%

3025Osage County, MOMO13,61120−68%

3026Graham County, KSKS2,37120+0%

3027Loup County, NENE57020+900%

3028Cleveland County, ARAR7,22419−30%

3029Jackson County, SDSD2,66619–

3030Stonewall County, TXTX1,18619+111%

3031Roberts County, TXTX86719+19%

3032Foster County, NDND3,21218−67%

3033Custer County, IDID4,63618−65%

3034Quitman County, MSMS5,36418+38%

3035Deuel County, NENE1,86218−28%

3036Frontier County, NENE2,65518−10%

3037Lake of the Woods County, MNMN3,77017−83%

3038Golden Valley County, MTMT84417+1600%

3039Webster County, NENE3,33617−63%

3040Harding County, SDSD1,33117+13%

3041Bland County, VAVA6,15117−93%

3042Worth County, MOMO1,91416+100%

3043East Carroll Parish, LALA6,76016+0%

3044Gallatin County, ILIL4,61616−30%

3045Hardin County, ILIL3,58816−67%

3046Newton County, ARAR7,02615−79%

3047Miner County, SDSD2,28115−12%

3048Craig County, VAVA4,80015−12%

3049Braxton County, WVWV11,88515−78%

3050Judith Basin County, MTMT2,16215−38%

3051Comanche County, KSKS1,67315−67%

3052Elk County, KSKS2,45815−6%

3053Itawamba County, MSMS24,15214−80%

3054Kemper County, MSMS8,60014−58%

3055Logan County, NENE66914–

3056De Baca County, NMNM1,64714−67%

3057Kent County, TXTX67414+17%

3058Alexander County, ILIL4,57014−91%

3059Trego County, KSKS2,74014−59%

3060Putnam County, MOMO4,54613−87%

3061Garfield County, NENE1,71013−62%

3062Grant County, NENE56113+1200%

3063Piute County, UTUT1,50913+44%

3064Hot Springs County, WYWY4,60013−87%

3065Petroleum County, MTMT54812–

3066Billings County, NDND1,07112–

3067Campbell County, SDSD1,37712+71%

3068Golden Valley County, NDND1,80812+200%

3069Dallas County, ARAR6,01111−39%

3070Ziebach County, SDSD2,38910−57%

3071Wirt County, WVWV4,87910−68%

3072Liberty County, MTMT1,95710−83%

3073Rockcastle County, KYKY16,14810−86%

3074Wells County, NDND3,7299−85%

3075Owsley County, KYKY3,9329+125%

3076Menominee County, WIWI4,1999+29%

3077Hitchcock County, NENE2,4678−62%

3078Terrell County, TXTX7028−94%

3079Tucker County, WVWV6,5408−68%

3080Divide County, NDND2,1107−91%

3081Red River Parish, LALA7,1657−77%

3082Choctaw County, MSMS8,0487−78%

3083Thomas County, NENE6397−36%

3084Oliver County, NDND1,8987−46%

3085Haakon County, SDSD1,8027−56%

3086Florence County, WIWI4,7487+250%

3087Woodson County, KSKS3,1187−46%

3088Owen County, KYKY11,6017−94%

3089Woodruff County, ARAR5,7106−87%

3090Wheeler County, NENE7896+20%

3091Jones County, SDSD9136+100%

3092Hinsdale County, COCO7536−75%

3093Kiowa County, COCO1,4126−57%

3094Eddy County, NDND2,3295−55%

3095Arthur County, NENE3965+400%

3096Corson County, SDSD3,7815−67%

3097Lincoln County, KSKS2,8615−82%

3098Clay County, WVWV7,5384–

3099Rock County, NENE1,2594−50%

3100Sheridan County, NDND1,2964−50%

3101Sioux County, NDND3,6674–

3102Pendleton County, WVWV5,8264−91%

3103Butte County, IDID2,7834−93%

3104Robertson County, KYKY2,3253−40%

3105Carter County, MTMT1,3833−25%

3106Hooker County, NENE6863−40%

3107Hanson County, SDSD3,4563−25%

3108Borden County, TXTX5673−63%

3109Cottle County, TXTX1,2243−94%

3110Slope County, NDND6282−67%

3111Webster County, WVWV7,7602−92%

3112McPherson County, NENE3692−33%

3113Nevada County, ARAR7,9421−97%

3114Keya Paha County, NENE7921–

3115Kalawao County, HIHI821−94%

3116Carter County, MOMO5,4180−100%

3117Carroll County, MSMS9,2260−100%

3118Issaquena County, MSMS1,2630–

3119Sharkey County, MSMS3,0970–

3120Wilkinson County, MSMS7,5820−100%

3121Garfield County, MTMT1,1480−100%

3122Buffalo County, SDSD1,8020−100%

3123Faulk County, SDSD2,1780−100%

3124Hyde County, SDSD1,1910−100%

3125Mellette County, SDSD2,1370−100%

3126Sully County, SDSD1,4790−100%

3127Loving County, TXTX520–

3128Motley County, TXTX1,0430−100%

3129Niobrara County, WYWY2,3410−100%

3130Blaine County, NENE4580–

3131Glascock County, GAGA3,1410−100%

3132Jackson County, KYKY13,3250−100%

3133Treasure County, MTMT7280−100%

3134Daggett County, UTUT9340−100%

3135Norton, VAVA3,4770−100%

SHOWING 3,001–3,135 OF 3,135

1 2 3 4 5 6 7

Download CSV (full list, 3,135 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS