RANKING · 2020 CENSUS · 34 SHOWN OF 34

Highest Croatian population share, Montana counties · 2020

Montana counties ranked by the share of all residents who are Croatian ancestry (2020 American Community Survey). A concentration measure: Croatian residents as a percentage of total population. 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 SHAREVS 2010

01Stillwater County, MTMT9,4451.2%+1.0 pts

02Judith Basin County, MTMT2,1620.9%+0.6 pts

03Prairie County, MTMT1,1120.9%+0.6 pts

04Silver Bow County, MTMT36,1180.8%+0.0 pts

05Liberty County, MTMT1,9570.7%–

06Treasure County, MTMT7280.7%–

07Lewis and Clark County, MTMT75,3310.5%+0.1 pts

08Fergus County, MTMT11,8250.5%+0.2 pts

09Deer Lodge County, MTMT9,7090.4%−1.2 pts

10Jefferson County, MTMT13,3290.3%+0.2 pts

11Cascade County, MTMT85,0290.3%+0.1 pts

12Park County, MTMT18,2140.3%+0.3 pts

13Yellowstone County, MTMT172,6920.3%+0.1 pts

14Chouteau County, MTMT5,8650.2%–

15Flathead County, MTMT115,4290.2%+0.1 pts

16Missoula County, MTMT123,5130.2%−0.1 pts

17Carbon County, MTMT11,4660.2%+0.1 pts

18Custer County, MTMT12,0340.2%–

19Valley County, MTMT7,3850.2%+0.2 pts

20Sanders County, MTMT14,0620.2%–

21Beaverhead County, MTMT10,0430.1%+0.1 pts

22Gallatin County, MTMT128,7400.1%−0.2 pts

23Roosevelt County, MTMT10,2420.1%–

24Lake County, MTMT33,3920.1%−0.1 pts

25Ravalli County, MTMT48,5820.1%−0.1 pts

26Mineral County, MTMT5,1850.1%–

27Hill County, MTMT16,1670.1%−0.4 pts

28Pondera County, MTMT6,0720.1%−0.1 pts

29Teton County, MTMT6,4960.0%–

30Richland County, MTMT11,3770.0%–

31Madison County, MTMT10,0260.0%−0.2 pts

32Toole County, MTMT5,2110.0%+0.0 pts

33Blaine County, MTMT6,8600.0%–

34Powell County, MTMT7,1570.0%−0.2 pts

SHOWING 1–34 OF 34

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