RANKING · 2020 CENSUS · 56 SHOWN OF 56

Largest Polish population, Montana counties · 2020

Montana counties ranked by the number of residents who are Polish 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 56 counties in Montana that qualify, ranked against each other statewide.

Polish 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

RANKPLACESTATEPOPPOLISH POPULATIONVS 2010

01Yellowstone County, MTMT172,6922,808+7%

02Missoula County, MTMT123,5132,364−6%

03Gallatin County, MTMT128,7402,304+12%

04Flathead County, MTMT115,4291,901+4%

05Lewis and Clark County, MTMT75,3311,600−17%

06Cascade County, MTMT85,0291,477−36%

07Silver Bow County, MTMT36,118905+13%

08Ravalli County, MTMT48,582889+2%

09Lake County, MTMT33,392466−14%

10Sanders County, MTMT14,062330+102%

11Deer Lodge County, MTMT9,709285+391%

12Park County, MTMT18,214281−17%

13Custer County, MTMT12,034256−19%

14Hill County, MTMT16,167253+5%

15Jefferson County, MTMT13,329237+19%

16Valley County, MTMT7,385219+23%

17Fergus County, MTMT11,825195−3%

18Carbon County, MTMT11,466194+16%

19Musselshell County, MTMT5,582194+362%

20Lincoln County, MTMT22,328177−65%

21Stillwater County, MTMT9,445160+7%

22Dawson County, MTMT8,692151−22%

23Beaverhead County, MTMT10,043142−17%

24Madison County, MTMT10,026140−5%

25Rosebud County, MTMT8,253123+141%

26Liberty County, MTMT1,957113+163%

27Teton County, MTMT6,496108+10%

28Broadwater County, MTMT8,493108+163%

29Fallon County, MTMT2,959107+37%

30Wibaux County, MTMT885102−30%

31Powell County, MTMT7,157101+94%

32Glacier County, MTMT13,46394+16%

33Richland County, MTMT11,37791−33%

34Meagher County, MTMT2,13788+487%

35Granite County, MTMT3,65866+43%

36Chouteau County, MTMT5,86565−42%

37Sheridan County, MTMT3,43657−43%

38Roosevelt County, MTMT10,24253−39%

39Sweet Grass County, MTMT3,76252+478%

40Phillips County, MTMT4,20351−7%

41Blaine County, MTMT6,86049−21%

42Pondera County, MTMT6,07246−74%

43Judith Basin County, MTMT2,16238+19%

44Mineral County, MTMT5,18533−74%

45Big Horn County, MTMT12,75231−76%

46Toole County, MTMT5,21131−30%

47Carter County, MTMT1,38330+88%

48Petroleum County, MTMT54828–

49Wheatland County, MTMT2,10026−13%

50Prairie County, MTMT1,11225−38%

51Powder River County, MTMT1,78117+325%

52Golden Valley County, MTMT84414−83%

53McCone County, MTMT1,72010−66%

54Garfield County, MTMT1,1487−42%

55Daniels County, MTMT1,6126−89%

56Treasure County, MTMT7284−64%

SHOWING 1–56 OF 56

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