RANKING · 2024 ACS · 64 SHOWN OF 64

Largest Mexican population, Colorado counties

Colorado counties ranked by the number of residents who are Mexican origin, from the 2024 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. The median across all 64 is 1,526. Biggest climber in the top 100 since 2020: Elbert County, CO, up 11 places to #29.

Mexican Americans: full group profile →

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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, COCO554,668184,057+43%

02Denver County, COCO740,613148,938−3%

03Arapahoe County, COCO673,82097,036+29%

04Weld County, COCO378,42686,677+50%

05El Paso County, COCO757,04084,816+53%

06Jefferson County, COCO580,45161,938+29%

07Pueblo County, COCO169,27744,956+7%

08▲1Larimer County, COCO377,29233,799+54%

09▼1Boulder County, COCO328,56032,550+15%

10Douglas County, COCO399,39620,786+76%

11Garfield County, COCO63,47415,674+32%

12Mesa County, COCO162,84515,324+24%

13Eagle County, COCO54,29112,331−6%

14Morgan County, COCO30,3068,990+6%

15Montrose County, COCO44,5917,089+17%

16Broomfield County, COCO79,1746,796+80%

17Otero County, COCO17,6836,280+30%

18Alamosa County, COCO16,6885,216+45%

19Prowers County, COCO11,8844,128+14%

20▲4La Plata County, COCO56,8983,531+24%

21▼1Delta County, COCO32,1783,136−4%

22▼1Las Animas County, COCO14,3912,922+17%

23▼1Summit County, COCO31,5172,920+1%

24▲3Yuma County, COCO9,8962,690+43%

25▲1Rio Grande County, COCO11,0872,663−9%

26▼3Logan County, COCO20,6542,540−6%

27▼2Fremont County, COCO50,0392,068−33%

28▲3Montezuma County, COCO26,6781,889+18%

29▲11Elbert County, COCO30,5341,806+151%

30▲2Lake County, COCO7,5521,640−37%

31▼3Conejos County, COCO7,5291,598−6%

32▼3Moffat County, COCO13,1221,526+15%

33▼3Saguache County, COCO6,7321,494−17%

34▲2Kit Carson County, COCO7,0691,312+13%

35▲2Grand County, COCO16,4961,222+83%

36▲6Bent County, COCO5,7161,181+19%

37▲1Routt County, COCO25,3291,169+2%

38▲1Costilla County, COCO3,6791,168+30%

39▼4Phillips County, COCO4,4201,094+44%

40▲4Teller County, COCO24,7561,004+35%

41▼7Huerfano County, COCO7,011991+36%

42▼9Gunnison County, COCO17,439930+1%

43▲5Archuleta County, COCO14,306799−40%

44▼3Crowley County, COCO5,677796+45%

45▼2Pitkin County, COCO16,625794+43%

46▼1Chaffee County, COCO20,831759+20%

47▼1Park County, COCO18,314713+20%

48▲5Rio Blanco County, COCO6,683506+31%

49▲1Washington County, COCO4,732467+20%

50▼3San Miguel County, COCO7,753437+8%

51Baca County, COCO3,347349+109%

52▲2Gilpin County, COCO6,073324+109%

53▲2Sedgwick County, COCO2,247324+115%

54▼5Clear Creek County, COCO8,994307+43%

55▲2Dolores County, COCO2,466220+715%

56▲4Lincoln County, COCO5,645195−6%

57▲4Ouray County, COCO5,265187+29%

58▼2Cheyenne County, COCO1,713175+9%

59▲4Kiowa County, COCO1,412135+229%

60▼1Jackson County, COCO1,211122+51%

61▼9Custer County, COCO5,590108−19%

62▼4San Juan County, COCO81399−11%

63▲1Mineral County, COCO91033+560%

64▼2Hinsdale County, COCO75319−47%

SHOWING 1–64 OF 64

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES