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RANKING · 2020 CENSUS · 12 SHOWN OF 12

Largest Iranian population, Montana counties · 2020

Montana counties ranked by the number of residents who are Iranian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 12 counties in Montana that qualify, ranked against each other statewide. The median across all 12 is 21.

Iranian Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Largest Iranian population by state
RANKPLACESTATEPOPIRANIAN POPULATIONVS 2010
01Yellowstone County, MTMT172,69280+220%
02Missoula County, MTMT123,51375–
03Gallatin County, MTMT128,74063+473%
04Stillwater County, MTMT9,44562–
05Deer Lodge County, MTMT9,70931–
07Cascade County, MTMT85,02919+217%
08Flathead County, MTMT115,42912–
09Prairie County, MTMT1,1127–
10Custer County, MTMT12,0342–
11Beaverhead County, MTMT10,0432–
12Granite County, MTMT3,6581–
SHOWING 1–12 OF 12

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS