RANKING · 2024 ACS · 22 SHOWN OF 22

Highest Romanian population share, Montana counties

Montana counties ranked by the share of all residents who are Romanian ancestry (2023 American Community Survey). A concentration measure: Romanian residents as a percentage of total population. This list covers the 22 counties in Montana that qualify, ranked against each other statewide.

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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 2000

01Petroleum County, MTMT5481.3%–

02Lewis and Clark County, MTMT75,3310.5%–

03Sheridan County, MTMT3,4360.4%–

04Daniels County, MTMT1,6120.4%–

05Mineral County, MTMT5,1850.3%–

06Jefferson County, MTMT13,3290.3%–

07Gallatin County, MTMT128,7400.2%–

08Roosevelt County, MTMT10,2420.1%–

09Ravalli County, MTMT48,5820.1%–

10Cascade County, MTMT85,0290.1%–

11Madison County, MTMT10,0260.1%–

12Carbon County, MTMT11,4660.1%–

13Richland County, MTMT11,3770.1%–

14Flathead County, MTMT115,4290.1%–

15Missoula County, MTMT123,5130.1%–

16Pondera County, MTMT6,0720.0%–

17Sweet Grass County, MTMT3,7620.0%–

18Lake County, MTMT33,3920.0%–

19Fergus County, MTMT11,8250.0%–

20Lincoln County, MTMT22,3280.0%–

21Valley County, MTMT7,3850.0%–

22Yellowstone County, MTMT172,6920.0%–

SHOWING 1–22 OF 22

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES