RANKING · 2020 CENSUS · 36 SHOWN OF 36

Highest Romanian population share, Colorado counties · 2020

Colorado counties ranked by the share of all residents who are Romanian ancestry (2023 American Community Survey). A concentration measure: Romanian residents as a percentage of total population. This list covers the 36 counties in Colorado that qualify, ranked against each other statewide.

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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

RANKPLACESTATEPOPROMANIAN SHAREVS 2000

01Ouray County, COCO5,2650.4%–

02Summit County, COCO31,5170.4%–

03Sedgwick County, COCO2,2470.4%–

04Morgan County, COCO30,3060.2%–

05San Miguel County, COCO7,7530.2%–

06Boulder County, COCO328,5600.2%–

07Jefferson County, COCO580,4510.2%–

08Pitkin County, COCO16,6250.2%–

09Arapahoe County, COCO673,8200.2%–

10Douglas County, COCO399,3960.2%–

11Otero County, COCO17,6830.1%–

12Routt County, COCO25,3290.1%–

13Denver County, COCO740,6130.1%–

14Larimer County, COCO377,2920.1%–

15Weld County, COCO378,4260.1%–

16Eagle County, COCO54,2910.1%–

17Fremont County, COCO50,0390.1%–

18Kit Carson County, COCO7,0690.1%–

19El Paso County, COCO757,0400.1%–

20Huerfano County, COCO7,0110.1%–

21Gilpin County, COCO6,0730.1%–

22Delta County, COCO32,1780.1%–

23Mesa County, COCO162,8450.1%–

24Pueblo County, COCO169,2770.1%–

25Grand County, COCO16,4960.1%–

26Adams County, COCO554,6680.1%–

27Lincoln County, COCO5,6450.1%–

28Park County, COCO18,3140.0%–

29La Plata County, COCO56,8980.0%–

30Las Animas County, COCO14,3910.0%–

31Elbert County, COCO30,5340.0%–

32Garfield County, COCO63,4740.0%–

33Prowers County, COCO11,8840.0%–

34Logan County, COCO20,6540.0%–

35Montezuma County, COCO26,6780.0%–

36Broomfield County, COCO79,1740.0%–

SHOWING 1–36 OF 36

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