RANKING · 2010 CENSUS · 16 SHOWN OF 16

Highest Costa Rican population share, Colorado counties · 2010

Colorado counties ranked by the share of all residents who are Costa Rican origin (2023 American Community Survey). A concentration measure: Costa Rican residents as a percentage of total population. This list covers the 16 counties in Colorado that qualify, ranked against each other statewide.

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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

Highest Costa Rican population share by state

RANKPLACESTATEPOPCOSTA RICAN SHAREVS 2000

01Custer County, COCO5,5900.4%–

02San Miguel County, COCO7,7530.3%–

03Fremont County, COCO50,0390.2%–

04Eagle County, COCO54,2910.1%–

05La Plata County, COCO56,8980.1%–

06Montezuma County, COCO26,6780.1%–

07Larimer County, COCO377,2920.1%–

08Douglas County, COCO399,3960.1%–

09El Paso County, COCO757,0400.0%–

10Prowers County, COCO11,8840.0%–

11Arapahoe County, COCO673,8200.0%–

12Jefferson County, COCO580,4510.0%–

13Denver County, COCO740,6130.0%–

14Boulder County, COCO328,5600.0%–

15Weld County, COCO378,4260.0%–

16Adams County, COCO554,6680.0%–

SHOWING 1–16 OF 16

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