RANKING · 2024 ACS · 22 SHOWN OF 22

Largest Romanian population, Montana counties

Montana counties ranked by the number of residents who are Romanian ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 22 counties in Montana that qualify, ranked against each other statewide. The median across all 22 is 14. Biggest climber in the top 100 since 2020: Mineral County, MT, up 15 places to #9.

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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, MTMT75,331384+309%

02▲3Gallatin County, MTMT128,740265+52%

03▲3Cascade County, MTMT85,02984–

04▼1Missoula County, MTMT123,51370−51%

05▼3Flathead County, MTMT115,42968–

06▲1Ravalli County, MTMT48,58247+31%

07▲11Jefferson County, MTMT13,32935–

08▲2Yellowstone County, MTMT172,69217−93%

09▲15Mineral County, MTMT5,18516–

10Sheridan County, MTMT3,43615−46%

11Roosevelt County, MTMT10,24214+27%

12▼1Carbon County, MTMT11,4668–

13▼5Richland County, MTMT11,3778−53%

14▲2Madison County, MTMT10,0267–

15Daniels County, MTMT1,6126–

16▼2Lake County, MTMT33,3926–

17▲2Petroleum County, MTMT5486–

18Lincoln County, MTMT22,3283–

19Fergus County, MTMT11,82520%

20▲5Pondera County, MTMT6,0722−89%

21▲5Sweet Grass County, MTMT3,7621–

22▲5Valley County, MTMT7,3851−95%

SHOWING 1–22 OF 22

Download CSV (full list, 22 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES