RANKING · 2020 CENSUS · 27 SHOWN OF 27

Largest Romanian population, Montana counties · 2020

Montana counties ranked by the number of residents who are Romanian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 27 counties in Montana 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 2010

01Lewis and Clark County, MTMT75,331167+78%

02Flathead County, MTMT115,429116–

03Missoula County, MTMT123,513113−20%

04Silver Bow County, MTMT36,11896+2300%

05Gallatin County, MTMT128,74085−51%

06Cascade County, MTMT85,02970–

07Ravalli County, MTMT48,58262+72%

08Richland County, MTMT11,37741+141%

09Sanders County, MTMT14,06239+388%

10Yellowstone County, MTMT172,69224−90%

11Carbon County, MTMT11,46621–

12Hill County, MTMT16,16716–

13Dawson County, MTMT8,69211–

14Lake County, MTMT33,39211–

15Prairie County, MTMT1,11210–

16Madison County, MTMT10,0269–

17Teton County, MTMT6,4968–

18Jefferson County, MTMT13,3295–

19Petroleum County, MTMT5484–

20Beaverhead County, MTMT10,0434−60%

21Park County, MTMT18,2143−86%

22Powell County, MTMT7,1572−89%

23McCone County, MTMT1,7201–

24Mineral County, MTMT5,1851–

25Sweet Grass County, MTMT3,7621–

26Valley County, MTMT7,3851−95%

27Pondera County, MTMT6,0721−95%

SHOWING 1–27 OF 27

Download CSV (full list, 27 rows)

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