RANKING · 2020 CENSUS · 19 SHOWN OF 19

Highest Iranian population share, Colorado counties · 2020

Colorado counties ranked by the share of all residents who are Iranian ancestry (2020 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

01Mineral County, COCO9101.5%–

02Garfield County, COCO63,4740.3%–

03Douglas County, COCO399,3960.3%+0.1 pts

04Boulder County, COCO328,5600.2%+0.0 pts

05Gunnison County, COCO17,4390.2%–

06Denver County, COCO740,6130.2%+0.1 pts

07Arapahoe County, COCO673,8200.2%−0.0 pts

08Broomfield County, COCO79,1740.2%+0.1 pts

09Larimer County, COCO377,2920.1%+0.0 pts

10Jefferson County, COCO580,4510.1%−0.0 pts

11Mesa County, COCO162,8450.1%+0.1 pts

12Adams County, COCO554,6680.1%+0.0 pts

13Weld County, COCO378,4260.1%+0.0 pts

14El Paso County, COCO757,0400.1%−0.0 pts

15Eagle County, COCO54,2910.0%+0.0 pts

16Fremont County, COCO50,0390.0%–

17Morgan County, COCO30,3060.0%–

18Routt County, COCO25,3290.0%–

19Pueblo County, COCO169,2770.0%−0.1 pts

SHOWING 1–19 OF 19

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS