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.

Romanian Americans: full group profile →

MontanaAll states All rankings

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%

02Gallatin County, MTMT128,740265+52%

03Cascade County, MTMT85,02984–

04Missoula County, MTMT123,51370−51%

05Flathead County, MTMT115,42968–

06Ravalli County, MTMT48,58247+31%

07Jefferson County, MTMT13,32935–

08Yellowstone County, MTMT172,69217−93%

09Mineral County, MTMT5,18516–

10Sheridan County, MTMT3,43615−46%

11Roosevelt County, MTMT10,24214+27%

12Carbon County, MTMT11,4668–

13Richland County, MTMT11,3778−53%

14Madison County, MTMT10,0267–

15Daniels County, MTMT1,6126–

16Lake County, MTMT33,3926–

17Petroleum County, MTMT5486–

18Lincoln County, MTMT22,3283–

19Fergus County, MTMT11,8252+0%

20Pondera County, MTMT6,0722−89%

21Sweet Grass County, MTMT3,7621–

22Valley County, MTMT7,3851−95%

SHOWING 1–22 OF 22

Download CSV (full list, 22 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES