RANKING · 2024 ACS · 19 SHOWN OF 19

Highest Iranian population share, Colorado counties

Colorado counties ranked by the share of all residents who are Iranian ancestry (2024 American Community Survey). A concentration measure: Iranian residents as a percentage of total population. This list covers the 19 counties in Colorado that qualify, ranked against each other statewide.

Iranian Americans: full group profile →

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

Highest Iranian population share by state

RANKPLACESTATEPOPIRANIAN SHAREVS 2010

01Garfield County, COCO63,4740.4%–

02Pitkin County, COCO16,6250.3%–

03Gunnison County, COCO17,4390.3%–

04Douglas County, COCO399,3960.2%+0.0 pts

05Boulder County, COCO328,5600.2%+0.0 pts

06Denver County, COCO740,6130.2%+0.1 pts

07Broomfield County, COCO79,1740.2%+0.2 pts

08Arapahoe County, COCO673,8200.2%−0.0 pts

09Larimer County, COCO377,2920.1%+0.0 pts

10Jefferson County, COCO580,4510.1%+0.0 pts

11Eagle County, COCO54,2910.1%+0.1 pts

12El Paso County, COCO757,0400.1%+0.0 pts

13San Miguel County, COCO7,7530.1%–

14Adams County, COCO554,6680.1%+0.0 pts

15Montezuma County, COCO26,6780.1%+0.0 pts

16Weld County, COCO378,4260.0%+0.0 pts

17Routt County, COCO25,3290.0%–

18Summit County, COCO31,5170.0%–

19Mesa County, COCO162,8450.0%+0.0 pts

SHOWING 1–19 OF 19

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES