RANKING · 2010 CENSUS · 34 SHOWN OF 34

Largest Romanian population, Colorado counties · 2010

Colorado counties ranked by the number of residents who are Romanian ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 34 counties in Colorado that qualify, ranked against each other statewide.

Romanian Americans: full group profile →

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SAME RANKING BYCities States Metros

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 POPULATIONVS –

01Jefferson County, COCO580,451926–

02Denver County, COCO740,613923–

03Arapahoe County, COCO673,820745–

04El Paso County, COCO757,040722–

05Boulder County, COCO328,560496–

06Larimer County, COCO377,292292–

07Mesa County, COCO162,845222–

08Adams County, COCO554,668190–

09Douglas County, COCO399,396190–

10Pueblo County, COCO169,277134–

11Weld County, COCO378,426122–

12Fremont County, COCO50,03985–

13Summit County, COCO31,51782–

14San Miguel County, COCO7,75347–

15Teller County, COCO24,75643–

16Park County, COCO18,31442–

17Routt County, COCO25,32935–

18Otero County, COCO17,68327–

19Sedgwick County, COCO2,24727–

20Broomfield County, COCO79,17425–

21Delta County, COCO32,17821–

22Montezuma County, COCO26,67819–

23Huerfano County, COCO7,01116–

24La Plata County, COCO56,89816–

25Lincoln County, COCO5,64516–

26Garfield County, COCO63,47415–

27Pitkin County, COCO16,62514–

28Eagle County, COCO54,29113–

29Costilla County, COCO3,67912–

30Chaffee County, COCO20,83112–

31Grand County, COCO16,49612–

32Morgan County, COCO30,3068–

33Saguache County, COCO6,7326–

34Alamosa County, COCO16,6885–

SHOWING 1–34 OF 34

Download CSV (full list, 34 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS