RANKING · 2020 CENSUS · 27 SHOWN OF 27

Highest Romanian population share, Montana counties · 2020

Montana counties ranked by the share of all residents who are Romanian ancestry (2020 American Community Survey). A concentration measure: Romanian residents as a percentage of total population. 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 SHAREVS 2010

01Petroleum County, MTMT5480.9%–

02Prairie County, MTMT1,1120.9%–

03Richland County, MTMT11,3770.4%+0.2 pts

04Sanders County, MTMT14,0620.3%+0.3 pts

05Silver Bow County, MTMT36,1180.3%+0.3 pts

06Lewis and Clark County, MTMT75,3310.2%+0.1 pts

07Carbon County, MTMT11,4660.2%–

08Ravalli County, MTMT48,5820.1%+0.1 pts

09Teton County, MTMT6,4960.1%–

10Dawson County, MTMT8,6920.1%–

11Flathead County, MTMT115,4290.1%–

12Madison County, MTMT10,0260.1%–

13Hill County, MTMT16,1670.1%–

14Missoula County, MTMT123,5130.1%−0.0 pts

15Cascade County, MTMT85,0290.1%–

16Gallatin County, MTMT128,7400.1%−0.1 pts

17McCone County, MTMT1,7200.1%–

18Beaverhead County, MTMT10,0430.0%−0.1 pts

19Jefferson County, MTMT13,3290.0%–

20Lake County, MTMT33,3920.0%–

21Powell County, MTMT7,1570.0%−0.2 pts

22Sweet Grass County, MTMT3,7620.0%–

23Mineral County, MTMT5,1850.0%–

24Park County, MTMT18,2140.0%−0.1 pts

25Pondera County, MTMT6,0720.0%−0.3 pts

26Yellowstone County, MTMT172,6920.0%−0.2 pts

27Valley County, MTMT7,3850.0%−0.2 pts

SHOWING 1–27 OF 27

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