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Demographics Table

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Demographic Data Report for Montana by County
Population: Age 40-64
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Value

County
 sort alphabetically by name ascending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
 sort by value descending
People (Age 40-64)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
Montana N/A 30.6 338,151 38 of 52
United States N/A 31.5 104,713,862 N/A
Roosevelt County Rural 25.0 2,667 3,074
Prairie County Rural 25.1 314 3,071
Liberty County Rural 25.6 503 3,055
Fallon County Rural 26.3 740 3,012
Hill County Rural 27.1 4,413 2,954
Big Horn County Rural 27.3 3,534 2,930
Wheatland County Rural 27.3 560 2,930
Garfield County Rural 27.5 258 2,904
Blaine County Rural 27.6 1,928 2,892
Gallatin County Urban 27.9 34,062 2,856
Glacier County Rural 28.5 3,908 2,782
Cascade County Urban 28.7 24,261 2,742
Missoula County Urban 28.7 34,379 2,742
Powder River County Rural 28.8 507 2,723
Beaverhead County Rural 29.2 2,802 2,649
Rosebud County Rural 29.4 2,419 2,603
Valley County Rural 29.4 2,218 2,603
Chouteau County Rural 29.5 1,738 2,575
Teton County Rural 29.6 1,864 2,547
Pondera County Rural 29.8 1,794 2,486
Richland County Rural 30.0 3,404 2,437
Fergus County Rural 30.4 3,516 2,308
Yellowstone County Urban 30.6 51,144 2,236
Daniels County Rural 30.7 468 2,187
Sweet Grass County Rural 30.7 1,140 2,187
Wibaux County Rural 30.7 352 2,187
Lake County Rural 30.8 9,876 2,137
Mineral County Urban 30.8 1,476 2,137
Silver Bow County Rural 31.1 11,053 2,018
Dawson County Rural 31.7 2,816 1,713
Lewis and Clark County Urban 31.7 23,031 1,713
Toole County Rural 32.2 1,621 1,461
Flathead County Rural 32.3 35,000 1,399
Judith Basin County Rural 32.4 666 1,331
McCone County Rural 32.6 592 1,200
Madison County Rural 32.8 2,944 1,098
Sanders County Rural 33.1 4,282 943
Ravalli County Rural 33.2 15,225 889
Stillwater County Urban 33.2 3,006 889
Golden Valley County Rural 33.3 280 829
Sheridan County Rural 33.3 1,225 829
Custer County Rural 33.8 4,032 586
Carter County Rural 33.9 461 548
Lincoln County Rural 34.1 7,037 474
Musselshell County Rural 34.2 1,735 442
Powell County Rural 34.5 2,425 350
Phillips County Rural 34.9 1,473 270
Granite County Rural 35.0 1,196 249
Carbon County Urban 35.1 3,814 229
Jefferson County Urban 35.5 4,439 171
Treasure County Rural 35.6 271 158
Park County Rural 35.7 6,244 142
Broadwater County Urban 36.3 2,653 97
Deer Lodge County Rural 36.5 3,474 83
Meagher County Rural 36.9 730 56
Petroleum County Rural 45.1 181 3
Notes:
Created by statecancerprofiles.cancer.gov on 07/09/2025 10:40 am.

Φ Rural-Urban Continuum Codes provided by the USDA.

Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 40-64, see the dictionary.

Data for United States does not include Puerto Rico.

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