RANKING · 2010 CENSUS · 37 SHOWN OF 37

Highest South American population share, Colorado counties · 2010

Colorado counties ranked by the share of all residents who are South American origin (2023 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 37 counties in Colorado that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSOUTH AMERICAN SHAREVS 2000

01Rio Blanco County, COCO6,6831.6%–

02Moffat County, COCO13,1221.2%–

03Pitkin County, COCO16,6250.7%–

04Broomfield County, COCO79,1740.6%–

05Logan County, COCO20,6540.6%–

06Boulder County, COCO328,5600.5%–

07Summit County, COCO31,5170.5%–

08Arapahoe County, COCO673,8200.5%–

09La Plata County, COCO56,8980.5%–

10Garfield County, COCO63,4740.4%–

11Clear Creek County, COCO8,9940.4%–

12Conejos County, COCO7,5290.4%–

13Denver County, COCO740,6130.4%–

14Douglas County, COCO399,3960.4%–

15Eagle County, COCO54,2910.4%–

16Mesa County, COCO162,8450.4%–

17Jefferson County, COCO580,4510.4%–

18Montrose County, COCO44,5910.3%–

19Adams County, COCO554,6680.3%–

20El Paso County, COCO757,0400.3%–

21Larimer County, COCO377,2920.3%–

22Teller County, COCO24,7560.2%–

23Gilpin County, COCO6,0730.2%–

24Weld County, COCO378,4260.2%–

25Saguache County, COCO6,7320.2%–

26Montezuma County, COCO26,6780.2%–

27Delta County, COCO32,1780.1%–

28Grand County, COCO16,4960.1%–

29Cheyenne County, COCO1,7130.1%–

30Prowers County, COCO11,8840.1%–

31Fremont County, COCO50,0390.1%–

32Routt County, COCO25,3290.0%–

33Pueblo County, COCO169,2770.0%–

34Archuleta County, COCO14,3060.0%–

35Las Animas County, COCO14,3910.0%–

36Elbert County, COCO30,5340.0%–

37Chaffee County, COCO20,8310.0%–

SHOWING 1–37 OF 37

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