RANKING · 2024 ACS · 12 SHOWN OF 12

Highest Bulgarian population share, Montana counties

Montana counties ranked by the share of all residents who are Bulgarian ancestry (2023 American Community Survey). A concentration measure: Bulgarian residents as a percentage of total population. This list covers the 12 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

Highest Bulgarian population share by state

RANKPLACESTATEPOPBULGARIAN SHAREVS 2000

01Powder River County, MTMT1,7810.2%–

02Park County, MTMT18,2140.2%–

03Judith Basin County, MTMT2,1620.1%–

04Ravalli County, MTMT48,5820.1%–

05Custer County, MTMT12,0340.1%–

06Lewis and Clark County, MTMT75,3310.1%–

07Yellowstone County, MTMT172,6920.1%–

08Gallatin County, MTMT128,7400.1%–

09Jefferson County, MTMT13,3290.0%–

10Missoula County, MTMT123,5130.0%–

11Big Horn County, MTMT12,7520.0%–

12Cascade County, MTMT85,0290.0%–

SHOWING 1–12 OF 12

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