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Demographics Table

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Demographic Data Report for Montana by County
Population: Age 18-39
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Name

County
 sort alphabetically by name descending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
 sort by value ascending
People (Age 18-39)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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Montana N/A 28.4 314,314 38 of 52
United States N/A 29.5 98,058,393 N/A
Beaverhead County Rural 29.7 2,848 535
Big Horn County Rural 26.7 3,460 1,210
Blaine County Rural 26.7 1,865 1,210
Broadwater County Urban 21.1 1,539 2,843
Carbon County Urban 20.3 2,211 2,938
Carter County Rural 18.4 251 3,066
Cascade County Urban 29.5 24,986 562
Chouteau County Rural 24.8 1,460 1,916
Custer County Rural 25.9 3,091 1,514
Daniels County Rural 20.2 308 2,946
Dawson County Rural 26.5 2,355 1,285
Deer Lodge County Rural 25.6 2,432 1,623
Fallon County Rural 28.2 793 813
Fergus County Rural 24.2 2,805 2,118
Flathead County Rural 25.2 27,329 1,764
Gallatin County Urban 39.6 48,403 62
Garfield County Rural 21.3 200 2,815
Glacier County Rural 28.9 3,967 682
Golden Valley County Rural 23.9 201 2,208
Granite County Rural 19.0 649 3,035
Hill County Rural 28.5 4,637 755
Jefferson County Urban 21.5 2,688 2,780
Judith Basin County Rural 17.0 349 3,095
Lake County Rural 23.1 7,396 2,437
Lewis and Clark County Urban 26.9 19,555 1,143
Liberty County Rural 24.3 479 2,094
Lincoln County Rural 18.2 3,755 3,074
Madison County Rural 20.9 1,880 2,866
McCone County Rural 19.8 360 2,980
Meagher County Rural 16.7 330 3,103
Mineral County Urban 20.3 974 2,938
Missoula County Urban 36.2 43,296 117
Musselshell County Rural 17.4 884 3,087
Park County Rural 23.1 4,042 2,437
Petroleum County Rural 13.7 55 3,133
Phillips County Rural 18.0 760 3,080
Pondera County Rural 25.1 1,509 1,791
Powder River County Rural 21.2 373 2,825
Powell County Rural 29.9 2,103 500
Prairie County Rural 19.4 243 3,011
Ravalli County Rural 21.5 9,857 2,780
Richland County Rural 27.5 3,117 978
Roosevelt County Rural 29.8 3,173 512
Rosebud County Rural 25.0 2,056 1,828
Sanders County Rural 17.3 2,236 3,090
Sheridan County Rural 22.3 821 2,639
Silver Bow County Rural 29.1 10,353 644
Stillwater County Urban 20.8 1,879 2,882
Sweet Grass County Rural 25.5 947 1,655
Teton County Rural 22.2 1,395 2,663
Toole County Rural 30.1 1,515 470
Treasure County Rural 26.0 198 1,479
Valley County Rural 23.7 1,790 2,266
Wheatland County Rural 21.9 449 2,718
Wibaux County Rural 17.6 202 3,085
Yellowstone County Urban 28.4 47,505 775
Notes:
Created by statecancerprofiles.cancer.gov on 07/09/2025 10:52 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 18-39, see the dictionary.

Data for United States does not include Puerto Rico.

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