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. The median across all 19 is 0.1%.

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

01▲1Garfield County, COCO63,4740.4%–

02Pitkin County, COCO16,6250.3%–

03▲2Gunnison County, COCO17,4390.3%–

04▼1Douglas County, COCO399,3960.2%0.0 pts

05▼1Boulder County, COCO328,5600.2%0.0 pts

06Denver County, COCO740,6130.2%+0.1 pts

07▲1Broomfield County, COCO79,1740.2%+0.2 pts

08▼1Arapahoe County, COCO673,8200.2%0.0 pts

09Larimer County, COCO377,2920.1%0.0 pts

10Jefferson County, COCO580,4510.1%0.0 pts

11▲4Eagle County, COCO54,2910.1%+0.1 pts

12▲2El Paso County, COCO757,0400.1%0.0 pts

13San Miguel County, COCO7,7530.1%–

14▼2Adams County, COCO554,6680.1%0.0 pts

15Montezuma County, COCO26,6780.1%0.0 pts

16▼3Weld County, COCO378,4260.0%0.0 pts

17▲1Routt County, COCO25,3290.0%–

18Summit County, COCO31,5170.0%–

19▼8Mesa County, COCO162,8450.0%0.0 pts

SHOWING 1–19 OF 19

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