RANKING · 2020 CENSUS · 34 SHOWN OF 34

Largest Croatian population, Montana counties · 2020

Montana counties ranked by the number of residents who are Croatian 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 34 counties in Montana that qualify, ranked against each other statewide.

Croatian Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPCROATIAN POPULATIONVS 2010

01Yellowstone County, MTMT172,692455+103%

02Lewis and Clark County, MTMT75,331377+37%

03Silver Bow County, MTMT36,118279+5%

04Cascade County, MTMT85,029272+35%

05Missoula County, MTMT123,513264−19%

06Flathead County, MTMT115,429229+62%

07Stillwater County, MTMT9,445119+561%

08Gallatin County, MTMT128,740107−51%

09Fergus County, MTMT11,82557+73%

10Park County, MTMT18,21453+563%

11Jefferson County, MTMT13,32942+121%

12Deer Lodge County, MTMT9,70939−75%

13Ravalli County, MTMT48,58236−51%

14Lake County, MTMT33,39227−55%

15Carbon County, MTMT11,46622+175%

16Custer County, MTMT12,03421–

17Sanders County, MTMT14,06219–

18Judith Basin County, MTMT2,16217+183%

19Liberty County, MTMT1,95716–

20Chouteau County, MTMT5,86513–

21Valley County, MTMT7,38513+1200%

22Prairie County, MTMT1,11210+233%

23Roosevelt County, MTMT10,24210–

24Beaverhead County, MTMT10,04310+400%

25Hill County, MTMT16,1679−86%

26Treasure County, MTMT7284–

27Mineral County, MTMT5,1853–

28Richland County, MTMT11,3773–

29Teton County, MTMT6,4963–

30Pondera County, MTMT6,0723−75%

31Madison County, MTMT10,0262−88%

32Blaine County, MTMT6,8601–

33Powell County, MTMT7,1571−94%

34Toole County, MTMT5,2111+0%

SHOWING 1–34 OF 34

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS