RANKING · 2010 CENSUS · 23 SHOWN OF 23

Highest Romanian population share, Montana counties · 2010

Montana counties ranked by the share of all residents who are Romanian ancestry (2010 American Community Survey). A concentration measure: Romanian residents as a percentage of total population. This list covers the 23 counties in Montana that qualify, ranked against each other statewide. The median across all 23 is 0.1%.

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 –

01Sheridan County, MTMT3,4360.8%–

02Pondera County, MTMT6,0720.3%–

03Valley County, MTMT7,3850.3%–

04Powell County, MTMT7,1570.3%–

05Granite County, MTMT3,6580.2%–

06Gallatin County, MTMT128,7400.2%–

07Richland County, MTMT11,3770.2%–

08Yellowstone County, MTMT172,6920.2%–

09Deer Lodge County, MTMT9,7090.2%–

10Chouteau County, MTMT5,8650.2%–

11Lewis and Clark County, MTMT75,3310.2%–

12Park County, MTMT18,2140.1%–

13Missoula County, MTMT123,5130.1%–

14Beaverhead County, MTMT10,0430.1%–

15Roosevelt County, MTMT10,2420.1%–

16Ravalli County, MTMT48,5820.1%–

17Stillwater County, MTMT9,4450.1%–

18Sanders County, MTMT14,0620.1%–

19Blaine County, MTMT6,8600.1%–

20Musselshell County, MTMT5,5820.0%–

21Custer County, MTMT12,0340.0%–

22Fergus County, MTMT11,8250.0%–

23Silver Bow County, MTMT36,1180.0%–

SHOWING 1–23 OF 23

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS