Ranking of Montana Counties By Voting-age Population Percentage from Census 2020
Updated on August 22, 2023.
According to the data from the US 2020 Census, as at April 2020, Powell County had the highest voting-age population percentage in Montana (85.24%), followed by Madison County (83.86%), and Deer Lodge County (83.34%).
The chart below shows the top 10 counties with high voting-age population percentage, and the table below shows the ranking of all Montana counties based on the percentage of the population that were in the voting-age (18 years and over) group.
You can also see the ranking of counties by population for other states as well as for the whole United States.
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Related Topics: Montana Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Montana Counties By Voting-age Population Percentage from Census 2020
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| Rank | County | % of County Voting-age Population |
|---|---|---|
| 1 | Powell County | 85.24 |
| 2 | Madison County | 83.86 |
| 3 | Deer Lodge County | 83.34 |
| 4 | Petroleum County | 83.27 |
| 5 | Park County | 83.03 |
| 6 | Meagher County | 82.56 |
| 7 | Sanders County | 82.37 |
| 8 | Mineral County | 82.01 |
| 9 | Granite County | 81.78 |
| 10 | Lincoln County | 81.50 |
| 11 | Judith Basin County | 81.41 |
| 11 | Powder River County | 81.41 |
| 12 | Carbon County | 81.22 |
| 13 | Prairie County | 81.16 |
| 14 | Musselshell County | 80.76 |
| 15 | Ravalli County | 80.72 |
| 16 | Missoula County | 80.59 |
| 17 | Golden Valley County | 80.32 |
| 18 | Beaverhead County | 80.29 |
| 19 | Gallatin County | 80.25 |
| 20 | Silver Bow County | 80.04 |
| 21 | Toole County | 79.88 |
| 22 | Sweet Grass County | 79.47 |
| 23 | Fergus County | 79.29 |
| 24 | Jefferson County | 79.16 |
| 24 | Stillwater County | 79.16 |
| 25 | Daniels County | 78.93 |
| 26 | Sheridan County | 78.72 |
| 27 | Lewis and Clark County | 78.46 |
| 28 | Broadwater County | 78.37 |
| 29 | McCone County | 78.25 |
| 30 | Flathead County | 78.10 |
| 31 | Dawson County | 78.01 |
| 32 | Custer County | 77.92 |
| 33 | Wibaux County | 77.91 |
| 34 | Wheatland County | 77.82 |
| 35 | Cascade County | 77.70 |
| 36 | Carter County | 76.89 |
| 37 | Yellowstone County | 76.83 |
| 38 | Valley County | 76.81 |
| 39 | Lake County | 76.80 |
| 40 | Phillips County | 76.71 |
| 41 | Teton County | 76.58 |
| 42 | Garfield County | 76.47 |
| 43 | Treasure County | 76.25 |
| 44 | Liberty County | 76.16 |
| 45 | Pondera County | 75.60 |
| 46 | Richland County | 75.53 |
| 47 | Chouteau County | 73.72 |
| 48 | Hill County | 73.56 |
| 49 | Rosebud County | 72.95 |
| 50 | Fallon County | 72.45 |
| 51 | Blaine County | 70.49 |
| 52 | Roosevelt County | 69.11 |
| 53 | Glacier County | 68.57 |
| 54 | Big Horn County | 66.65 |