RANKING · 2010 CENSUS · 55 SHOWN OF 3,055

Largest Mexican population, US counties · 2010

US counties ranked by the number of residents who are Mexican origin, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV.

All statesAll rankings

SAME RANKING BYCities States Metros

RELATEDHighest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN POPULATIONVS 2000

3001Buena Vista, VAVA6,67210–

3002Prairie County, ARAR7,9239–

3003Keweenaw County, MIMI2,1869–

3004Grant County, NENE5619–

3005Sioux County, NENE1,1889–

3006Towner County, NDND2,0409–

3007Wheeler County, OROR1,4729–

3008Perkins County, SDSD2,8539–

3009Buchanan County, VAVA18,4929–

3010Bristol, VAVA16,4189–

3011Gallatin County, ILIL4,6169–

3012Hamilton County, ILIL7,8599–

3013Scott County, ILIL4,8669–

3014Pope County, MNMN11,4208–

3015Amite County, MSMS12,4878–

3016Hickory County, MOMO9,0448–

3017Brule County, SDSD5,2788–

3018Walworth County, SDSD5,2178–

3019Calhoun County, ILIL4,3008–

3020Anderson County, KSKS8,0188–

3021Sagadahoc County, MEME37,9798–

3022Smith County, MSMS13,9917–

3023Ziebach County, SDSD2,3897–

3024Lincoln County, GAGA8,1127–

3025St. Clair County, MOMO9,9766–

3026Carter County, MTMT1,3836–

3027Hand County, SDSD3,1216–

3028Miner County, SDSD2,2816–

3029Highland County, VAVA2,3186–

3030Rappahannock County, VAVA7,4396–

3031Martin County, ININ9,8566–

3032Florence County, WIWI4,7486–

3033Denali, AKAK1,6165–

3034Warren County, GAGA5,2695–

3035Lake of the Woods County, MNMN3,7705–

3036Daniels County, MTMT1,6125–

3037Arthur County, NENE3965–

3038Burke County, NDND2,1325–

3039Slope County, NDND6285–

3040Douglas County, SDSD2,8885–

3041Harding County, SDSD1,3315–

3042McCook County, SDSD5,9645–

3043Mineral County, COCO9105–

3044Prairie County, MTMT1,1124–

3045Buffalo County, SDSD1,8024–

3046Stanley County, SDSD3,0183–

3047Clay County, GAGA2,8153–

3048Rush County, KSKS2,8453–

3049Emmons County, NDND3,2152–

3050Choctaw County, MSMS8,0482–

3051Renville County, NDND2,3312–

3052Thomas County, NENE6391–

3053Hanson County, SDSD3,4561–

3054Sully County, SDSD1,4791–

3055Iron County, WIWI6,1271–

SHOWING 3,001–3,055 OF 3,055

Download CSV (full list, 3,055 rows)

UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES