RANKING · 2020 CENSUS · 17 SHOWN OF 17

Highest Armenian population share, Montana counties · 2020

Montana counties ranked by the share of all residents who are Armenian ancestry (2023 American Community Survey). A concentration measure: Armenian residents as a percentage of total population. This list covers the 17 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

RANKPLACESTATEPOPARMENIAN SHAREVS 2000

01Custer County, MTMT12,0340.1%–

02Lake County, MTMT33,3920.1%–

03Phillips County, MTMT4,2030.1%–

04Lewis and Clark County, MTMT75,3310.1%–

05Gallatin County, MTMT128,7400.1%–

06Big Horn County, MTMT12,7520.1%–

07Flathead County, MTMT115,4290.1%–

08Stillwater County, MTMT9,4450.1%–

09Sheridan County, MTMT3,4360.1%–

10Cascade County, MTMT85,0290.1%–

11Judith Basin County, MTMT2,1620.1%–

12Ravalli County, MTMT48,5820.0%–

13Roosevelt County, MTMT10,2420.0%–

14Powell County, MTMT7,1570.0%–

15Hill County, MTMT16,1670.0%–

16Missoula County, MTMT123,5130.0%–

17Yellowstone County, MTMT172,6920.0%–

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