Which county has the highest foreign-born population?

Los Angeles County, California ranks #1 with 3,499,331 (2010 Decennial Census).

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

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

How many counties are in this ranking?

3,131 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 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, 2010 Decennial Census.

RANKING · 2010 CENSUS · 131 SHOWN OF 3,131

Largest foreign-born population, US counties · 2010

US counties with the most residents born outside the United States, as of the 2010 American Community Survey. Ranked by number of people, not share.

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORN POPULATIONVS –

3001Keweenaw County, MIMI2,18618–

3002Wilkinson County, MSMS7,58218–

3003Sioux County, NENE1,18818–

3004Noble County, OHOH14,27618–

3005Jackson County, KYKY13,32518–

3006St. Helena Parish, LALA10,75818–

3007LaMoure County, NDND4,13517–

3008Steele County, NDND1,79717–

3009Miner County, SDSD2,28117–

3010Craig County, VAVA4,80017–

3011Talbot County, GAGA5,70917–

3012Lyon County, KYKY9,12317–

3013Madison Parish, LALA8,84416–

3014Tensas Parish, LALA3,70016–

3015Noxubee County, MSMS9,79816–

3016Haakon County, SDSD1,80216–

3017East Carroll Parish, LALA6,76016–

3018Kalawao County, HIHI8216–

3019Elk County, KSKS2,45816–

3020Roberts County, TXTX86716–

3021Buena Vista, VAVA6,67216–

3022Haines, AKAK2,06815–

3023Yakutat, AKAK67215–

3024Wibaux County, MTMT88515–

3025Corson County, SDSD3,78115–

3026Harding County, SDSD1,33115–

3027Lyman County, SDSD3,69415–

3028Norton, VAVA3,47715–

3029Sumter County, ALAL11,58814–

3030Lane County, KSKS1,50814–

3031Jefferson County, NENE7,07014–

3032Kiowa County, COCO1,41214–

3033San Juan County, COCO81314–

3034Adams County, IAIA3,61714–

3035Sheridan County, KSKS2,42714–

3036Claiborne County, MSMS8,05813–

3037Quitman County, MSMS5,36413–

3038Boone County, NENE5,35513–

3039Oliver County, NDND1,89813–

3040Sully County, SDSD1,47913–

3041Mineral County, COCO91013–

3042Woodson County, KSKS3,11813–

3043Perry County, ALAL7,42512–

3044Grant County, NDND2,20612–

3045Franklin County, NENE2,79512–

3046Kent County, TXTX67412–

3047Hamilton County, ILIL7,85912–

3048Rooks County, KSKS4,64612–

3049Rich County, UTUT2,68712–

3050Eddy County, NDND2,32911–

3051Thomas County, NENE63911–

3052Niobrara County, WYWY2,34111–

3053Martin County, KYKY10,69711–

3054Perkins County, NENE2,84910–

3055Kenedy County, TXTX31910–

3056McIntosh County, NDND2,45110–

3057Prairie County, MTMT1,1129–

3058Stonewall County, TXTX1,1869–

3059Quitman County, GAGA2,2549–

3060Piute County, UTUT1,5099–

3061Bristol Bay, AKAK8478–

3062Worth County, MOMO1,9148–

3063Rock County, NENE1,2598–

3064Sheridan County, NDND1,2968–

3065Brule County, SDSD5,2788–

3066Tripp County, SDSD5,7088–

3067Borden County, TXTX5678–

3068Treasure County, MTMT7288–

3069Nance County, NENE3,2908–

3070Prairie County, ARAR7,9237–

3071Griggs County, NDND2,2397–

3072Van Buren County, TNTN6,8747–

3073Ralls County, MOMO10,4447–

3074Dundy County, NENE1,5687–

3075Garden County, NENE1,8047–

3076Ransom County, NDND5,6177–

3077Campbell County, SDSD1,3777–

3078Ritchie County, WVWV8,0347–

3079Greeley County, NENE2,1547–

3080Cumberland County, KYKY5,9927–

3081Menominee County, WIWI4,1997–

3082Conecuh County, ALAL10,8996–

3083McCone County, MTMT1,7206–

3084Powder River County, MTMT1,7816–

3085Slope County, NDND6286–

3086Oneida County, IDID5,0856–

3087Robertson County, KYKY2,3255–

3088Hooker County, NENE6865–

3089Wheeler County, NENE7895–

3090Highland County, VAVA2,3185–

3091Gosper County, NENE1,8035–

3092Carter County, MTMT1,3834–

3093Hanson County, SDSD3,4564–

3094Mellette County, SDSD2,1374–

3095Golden Valley County, NDND1,8084–

3096Dolores County, COCO2,4664–

3097Owsley County, KYKY3,9324–

3098Warren County, GAGA5,2693–

3099Boyd County, NENE1,6743–

3100Logan County, NDND1,8593–

3101Dewey County, SDSD5,4193–

3102Hyde County, SDSD1,1913–

3103Jones County, SDSD9133–

3104McPherson County, NENE3693–

3105Hand County, SDSD3,1212–

3106Florence County, WIWI4,7482–

3107Loup County, NENE5702–

3108Calhoun County, WVWV5,9781–

3109Garfield County, MTMT1,1481–

3110Golden Valley County, MTMT8441–

3111Arthur County, NENE3961–

3112Grant County, NENE5611–

3113Clay County, WVWV7,5380–

3114Issaquena County, MSMS1,2630–

3115Jefferson County, MSMS6,8250–

3116Sharkey County, MSMS3,0970–

3117Petroleum County, MTMT5480–

3118Wheatland County, MTMT2,1000–

3119Keya Paha County, NENE7920–

3120Logan County, NENE6690–

3121Billings County, NDND1,0710–

3122Sioux County, NDND3,6670–

3123Jackson County, SDSD2,6660–

3124Loving County, TXTX520–

3125Blaine County, NENE4580–

3126Baker County, GAGA2,7250–

3127Clay County, GAGA2,8150–

3128Elliott County, KYKY7,2650–

3129Magoffin County, KYKY11,1100–

3130Menifee County, KYKY6,4300–

3131Pendleton County, KYKY14,8000–

SHOWING 3,001–3,131 OF 3,131

1 2 3 4 5 6 7

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