RANKING · 2020 CENSUS · 56 SHOWN OF 56

Highest Norwegian population share, Montana counties · 2020

Montana counties ranked by the share of all residents who are Norwegian ancestry (2023 American Community Survey). A concentration measure: Norwegian residents as a percentage of total population. This list covers the 56 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

RANKPLACESTATEPOPNORWEGIAN SHAREVS 2000

01Daniels County, MTMT1,61225.2%–

02Sweet Grass County, MTMT3,76223.4%–

03Sheridan County, MTMT3,43622.4%–

04Valley County, MTMT7,38522.0%–

05McCone County, MTMT1,72021.6%–

06Richland County, MTMT11,37720.0%–

07Phillips County, MTMT4,20319.6%–

08Wibaux County, MTMT88518.6%–

09Broadwater County, MTMT8,49317.9%–

10Fallon County, MTMT2,95915.1%–

11Carter County, MTMT1,38314.9%–

12Petroleum County, MTMT54813.8%–

13Liberty County, MTMT1,95713.4%–

14Toole County, MTMT5,21113.2%–

15Teton County, MTMT6,49612.8%–

16Dawson County, MTMT8,69212.6%–

17Pondera County, MTMT6,07212.1%–

18Wheatland County, MTMT2,10011.3%–

19Judith Basin County, MTMT2,16210.4%–

20Park County, MTMT18,21410.4%–

21Stillwater County, MTMT9,44510.1%–

22Yellowstone County, MTMT172,69210.0%–

23Jefferson County, MTMT13,3299.8%–

24Custer County, MTMT12,0349.5%–

25Hill County, MTMT16,1679.5%–

26Treasure County, MTMT7289.3%–

27Meagher County, MTMT2,1379.1%–

28Flathead County, MTMT115,4299.0%–

29Lewis and Clark County, MTMT75,3319.0%–

30Fergus County, MTMT11,8258.7%–

31Powder River County, MTMT1,7818.6%–

32Musselshell County, MTMT5,5828.4%–

33Lincoln County, MTMT22,3288.3%–

34Cascade County, MTMT85,0298.1%–

35Roosevelt County, MTMT10,2428.0%–

36Blaine County, MTMT6,8607.9%–

37Gallatin County, MTMT128,7407.8%–

38Missoula County, MTMT123,5137.6%–

39Sanders County, MTMT14,0627.5%–

40Carbon County, MTMT11,4667.5%–

41Beaverhead County, MTMT10,0437.4%–

42Mineral County, MTMT5,1857.3%–

43Golden Valley County, MTMT8446.9%–

44Granite County, MTMT3,6586.7%–

45Deer Lodge County, MTMT9,7096.5%–

46Ravalli County, MTMT48,5826.1%–

47Chouteau County, MTMT5,8656.0%–

48Lake County, MTMT33,3926.0%–

49Madison County, MTMT10,0265.8%–

50Powell County, MTMT7,1575.6%–

51Garfield County, MTMT1,1485.4%–

52Prairie County, MTMT1,1125.2%–

53Glacier County, MTMT13,4634.4%–

54Rosebud County, MTMT8,2534.3%–

55Silver Bow County, MTMT36,1183.8%–

56Big Horn County, MTMT12,7521.4%–

SHOWING 1–56 OF 56

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