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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 (2020 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 populationHighest American population shareLargest Arab populationHighest Arab population shareLargest Egyptian populationHighest Egyptian population share
YEAR201020202024
Highest Norwegian population share by state
RANKPLACESTATEPOPNORWEGIAN SHAREVS 2010
01Daniels County, MTMT1,61225.2%−14.2 pts
02Sweet Grass County, MTMT3,76223.4%+0.9 pts
03Sheridan County, MTMT3,43622.4%−11.4 pts
04Valley County, MTMT7,38522.0%−5.9 pts
05McCone County, MTMT1,72021.6%−1.5 pts
06Richland County, MTMT11,37720.0%−3.1 pts
07Phillips County, MTMT4,20319.6%−6.7 pts
08Wibaux County, MTMT88518.6%+10.6 pts
09Broadwater County, MTMT8,49317.9%+10.0 pts
10Fallon County, MTMT2,95915.1%+3.0 pts
11Carter County, MTMT1,38314.9%−3.8 pts
12Petroleum County, MTMT54813.8%−2.1 pts
13Liberty County, MTMT1,95713.4%−10.7 pts
14Toole County, MTMT5,21113.2%+2.7 pts
15Teton County, MTMT6,49612.8%−1.9 pts
16Dawson County, MTMT8,69212.6%−3.7 pts
17Pondera County, MTMT6,07212.1%−2.5 pts
18Wheatland County, MTMT2,10011.3%+4.8 pts
19Judith Basin County, MTMT2,16210.4%+0.1 pts
20Park County, MTMT18,21410.4%−0.5 pts
21Stillwater County, MTMT9,44510.1%−0.7 pts
22Yellowstone County, MTMT172,69210.0%+0.1 pts
23Jefferson County, MTMT13,3299.8%−1.0 pts
24Custer County, MTMT12,0349.5%−4.6 pts
25Hill County, MTMT16,1679.5%−9.0 pts
26Treasure County, MTMT7289.3%+1.9 pts
27Meagher County, MTMT2,1379.1%−5.2 pts
28Flathead County, MTMT115,4299.0%−0.3 pts
29Lewis and Clark County, MTMT75,3319.0%+0.1 pts
30Fergus County, MTMT11,8258.7%−5.9 pts
31Powder River County, MTMT1,7818.6%+0.0 pts
32Musselshell County, MTMT5,5828.4%+0.8 pts
33Lincoln County, MTMT22,3288.3%−1.9 pts
34Cascade County, MTMT85,0298.1%−2.2 pts
35Roosevelt County, MTMT10,2428.0%−12.1 pts
36Blaine County, MTMT6,8607.9%−1.3 pts
37Gallatin County, MTMT128,7407.8%−1.7 pts
38Missoula County, MTMT123,5137.6%+0.3 pts
39Sanders County, MTMT14,0627.5%−1.5 pts
40Carbon County, MTMT11,4667.5%+1.0 pts
41Beaverhead County, MTMT10,0437.4%−0.5 pts
42Mineral County, MTMT5,1857.3%+2.9 pts
43Golden Valley County, MTMT8446.9%+0.7 pts
44Granite County, MTMT3,6586.7%−6.8 pts
45Deer Lodge County, MTMT9,7096.5%−2.0 pts
46Ravalli County, MTMT48,5826.1%+0.6 pts
47Chouteau County, MTMT5,8656.0%−3.8 pts
48Lake County, MTMT33,3926.0%−1.0 pts
49Madison County, MTMT10,0265.8%−1.5 pts
50Powell County, MTMT7,1575.6%−3.0 pts
51Garfield County, MTMT1,1485.4%−9.5 pts
52Prairie County, MTMT1,1125.2%−13.4 pts
53Glacier County, MTMT13,4634.4%−1.2 pts
54Rosebud County, MTMT8,2534.3%+1.4 pts
55Silver Bow County, MTMT36,1183.8%−3.1 pts
56Big Horn County, MTMT12,7521.4%−0.6 pts
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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS