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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 Count

County
 sort alphabetically by name ascending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
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People (Age 18-39)
 sort by sample size descending
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
Petroleum County Rural 13.7 55 3,133
Treasure County Rural 26.0 198 1,479
Garfield County Rural 21.3 200 2,815
Golden Valley County Rural 23.9 201 2,208
Wibaux County Rural 17.6 202 3,085
Prairie County Rural 19.4 243 3,011
Carter County Rural 18.4 251 3,066
Daniels County Rural 20.2 308 2,946
Meagher County Rural 16.7 330 3,103
Judith Basin County Rural 17.0 349 3,095
McCone County Rural 19.8 360 2,980
Powder River County Rural 21.2 373 2,825
Wheatland County Rural 21.9 449 2,718
Liberty County Rural 24.3 479 2,094
Granite County Rural 19.0 649 3,035
Phillips County Rural 18.0 760 3,080
Fallon County Rural 28.2 793 813
Sheridan County Rural 22.3 821 2,639
Musselshell County Rural 17.4 884 3,087
Sweet Grass County Rural 25.5 947 1,655
Mineral County Urban 20.3 974 2,938
Teton County Rural 22.2 1,395 2,663
Chouteau County Rural 24.8 1,460 1,916
Pondera County Rural 25.1 1,509 1,791
Toole County Rural 30.1 1,515 470
Broadwater County Urban 21.1 1,539 2,843
Valley County Rural 23.7 1,790 2,266
Blaine County Rural 26.7 1,865 1,210
Stillwater County Urban 20.8 1,879 2,882
Madison County Rural 20.9 1,880 2,866
Rosebud County Rural 25.0 2,056 1,828
Powell County Rural 29.9 2,103 500
Carbon County Urban 20.3 2,211 2,938
Sanders County Rural 17.3 2,236 3,090
Dawson County Rural 26.5 2,355 1,285
Deer Lodge County Rural 25.6 2,432 1,623
Jefferson County Urban 21.5 2,688 2,780
Fergus County Rural 24.2 2,805 2,118
Beaverhead County Rural 29.7 2,848 535
Custer County Rural 25.9 3,091 1,514
Richland County Rural 27.5 3,117 978
Roosevelt County Rural 29.8 3,173 512
Big Horn County Rural 26.7 3,460 1,210
Lincoln County Rural 18.2 3,755 3,074
Glacier County Rural 28.9 3,967 682
Park County Rural 23.1 4,042 2,437
Hill County Rural 28.5 4,637 755
Lake County Rural 23.1 7,396 2,437
Ravalli County Rural 21.5 9,857 2,780
Silver Bow County Rural 29.1 10,353 644
Lewis and Clark County Urban 26.9 19,555 1,143
Cascade County Urban 29.5 24,986 562
Flathead County Rural 25.2 27,329 1,764
Missoula County Urban 36.2 43,296 117
Yellowstone County Urban 28.4 47,505 775
Gallatin County Urban 39.6 48,403 62
Notes:
Created by statecancerprofiles.cancer.gov on 07/09/2025 10:54 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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