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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 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 18-39)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
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
Meagher County Rural 16.7 330 3,103
Judith Basin County Rural 17.0 349 3,095
Sanders County Rural 17.3 2,236 3,090
Musselshell County Rural 17.4 884 3,087
Wibaux County Rural 17.6 202 3,085
Phillips County Rural 18.0 760 3,080
Lincoln County Rural 18.2 3,755 3,074
Carter County Rural 18.4 251 3,066
Granite County Rural 19.0 649 3,035
Prairie County Rural 19.4 243 3,011
McCone County Rural 19.8 360 2,980
Daniels County Rural 20.2 308 2,946
Carbon County Urban 20.3 2,211 2,938
Mineral County Urban 20.3 974 2,938
Stillwater County Urban 20.8 1,879 2,882
Madison County Rural 20.9 1,880 2,866
Broadwater County Urban 21.1 1,539 2,843
Powder River County Rural 21.2 373 2,825
Garfield County Rural 21.3 200 2,815
Jefferson County Urban 21.5 2,688 2,780
Ravalli County Rural 21.5 9,857 2,780
Wheatland County Rural 21.9 449 2,718
Teton County Rural 22.2 1,395 2,663
Sheridan County Rural 22.3 821 2,639
Lake County Rural 23.1 7,396 2,437
Park County Rural 23.1 4,042 2,437
Valley County Rural 23.7 1,790 2,266
Golden Valley County Rural 23.9 201 2,208
Fergus County Rural 24.2 2,805 2,118
Liberty County Rural 24.3 479 2,094
Chouteau County Rural 24.8 1,460 1,916
Rosebud County Rural 25.0 2,056 1,828
Pondera County Rural 25.1 1,509 1,791
Flathead County Rural 25.2 27,329 1,764
Sweet Grass County Rural 25.5 947 1,655
Deer Lodge County Rural 25.6 2,432 1,623
Custer County Rural 25.9 3,091 1,514
Treasure County Rural 26.0 198 1,479
Dawson County Rural 26.5 2,355 1,285
Big Horn County Rural 26.7 3,460 1,210
Blaine County Rural 26.7 1,865 1,210
Lewis and Clark County Urban 26.9 19,555 1,143
Richland County Rural 27.5 3,117 978
Fallon County Rural 28.2 793 813
Yellowstone County Urban 28.4 47,505 775
Hill County Rural 28.5 4,637 755
Glacier County Rural 28.9 3,967 682
Silver Bow County Rural 29.1 10,353 644
Cascade County Urban 29.5 24,986 562
Beaverhead County Rural 29.7 2,848 535
Roosevelt County Rural 29.8 3,173 512
Powell County Rural 29.9 2,103 500
Toole County Rural 30.1 1,515 470
Missoula County Urban 36.2 43,296 117
Gallatin County Urban 39.6 48,403 62
Notes:
Created by statecancerprofiles.cancer.gov on 07/06/2025 5:43 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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