RANKING · 2020 CENSUS · 15 SHOWN OF 15

Highest Bulgarian population share, Montana counties · 2020

Montana counties ranked by the share of all residents who are Bulgarian ancestry (2020 American Community Survey). A concentration measure: Bulgarian residents as a percentage of total population. This list covers the 15 counties in Montana that qualify, ranked against each other statewide.

Bulgarian Americans: full group profile →

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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

Highest Bulgarian population share by state

RANKPLACESTATEPOPBULGARIAN SHAREVS 2010

01Powder River County, MTMT1,7811.0%+0.5 pts

02Park County, MTMT18,2140.2%–

03Liberty County, MTMT1,9570.2%–

04Ravalli County, MTMT48,5820.1%–

05Custer County, MTMT12,0340.1%−0.0 pts

06Richland County, MTMT11,3770.1%–

07Missoula County, MTMT123,5130.0%–

08Big Horn County, MTMT12,7520.0%–

09Gallatin County, MTMT128,7400.0%+0.0 pts

10Silver Bow County, MTMT36,1180.0%−0.0 pts

11Sanders County, MTMT14,0620.0%–

12Yellowstone County, MTMT172,6920.0%−0.0 pts

13Fergus County, MTMT11,8250.0%–

14Flathead County, MTMT115,4290.0%−0.0 pts

15Cascade County, MTMT85,0290.0%–

SHOWING 1–15 OF 15

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS