RANKING · 2020 CENSUS · 64 SHOWN OF 64

Largest Mexican population, Colorado counties · 2020

Colorado counties ranked by the number of residents who are Mexican origin, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 64 counties in Colorado that qualify, ranked against each other statewide.

Mexican Americans: full group profile →

ColoradoAll states All 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 2010

01Adams County, COCO554,668169,006+31%

02Denver County, COCO740,613163,943+7%

03Arapahoe County, COCO673,82086,879+16%

04Weld County, COCO378,42676,839+33%

05El Paso County, COCO757,04075,905+37%

06Jefferson County, COCO580,45162,317+30%

07Pueblo County, COCO169,27746,221+10%

08Boulder County, COCO328,56032,390+14%

09Larimer County, COCO377,29229,887+36%

10Douglas County, COCO399,39618,897+60%

11Garfield County, COCO63,47413,960+17%

12Mesa County, COCO162,84513,170+6%

13Eagle County, COCO54,29112,431−5%

14Morgan County, COCO30,3067,926−6%

15Montrose County, COCO44,5917,566+24%

16Broomfield County, COCO79,1746,805+80%

17Otero County, COCO17,6836,166+28%

18Alamosa County, COCO16,6884,955+38%

19Prowers County, COCO11,8844,142+15%

20Delta County, COCO32,1783,482+6%

21Las Animas County, COCO14,3913,353+34%

22Summit County, COCO31,5173,280+13%

23Logan County, COCO20,6543,262+21%

24La Plata County, COCO56,8983,030+6%

25Fremont County, COCO50,0392,789−10%

26Rio Grande County, COCO11,0872,675−9%

27Yuma County, COCO9,8962,145+14%

28Conejos County, COCO7,5291,837+8%

29Moffat County, COCO13,1221,692+28%

30Saguache County, COCO6,7321,606−10%

31Montezuma County, COCO26,6781,510−6%

32Lake County, COCO7,5521,494−43%

33Gunnison County, COCO17,4391,461+59%

34Huerfano County, COCO7,0111,321+81%

35Phillips County, COCO4,4201,218+60%

36Kit Carson County, COCO7,0691,203+3%

37Grand County, COCO16,4961,196+79%

38Routt County, COCO25,3291,164+1%

39Costilla County, COCO3,6791,160+29%

40Elbert County, COCO30,5341,130+57%

41Crowley County, COCO5,6771,114+103%

42Bent County, COCO5,716956−3%

43Pitkin County, COCO16,625925+66%

44Teller County, COCO24,756899+21%

45Chaffee County, COCO20,831884+40%

46Park County, COCO18,314755+27%

47San Miguel County, COCO7,753695+72%

48Archuleta County, COCO14,306514−61%

49Clear Creek County, COCO8,994457+113%

50Washington County, COCO4,732409+5%

51Baca County, COCO3,347386+131%

52Custer County, COCO5,590363+171%

53Rio Blanco County, COCO6,683362−6%

54Gilpin County, COCO6,073326+110%

55Sedgwick County, COCO2,247323+114%

56Cheyenne County, COCO1,713193+20%

57Dolores County, COCO2,466169+526%

58San Juan County, COCO813152+37%

59Jackson County, COCO1,211145+79%

60Lincoln County, COCO5,645114−45%

61Ouray County, COCO5,26573−50%

62Hinsdale County, COCO75370+94%

63Kiowa County, COCO1,41259+44%

64Mineral County, COCO9104−20%

SHOWING 1–64 OF 64

Download CSV (full list, 64 rows)

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