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Demographic Data Report for Montana by County
Population: Age 18-39
All Races (includes Hispanic), Both Sexes
2015-2019 American Community Survey 5-Year Data
Sorted by Name
County
 sort alphabetically by name descending
Value (Percent)
 sort by value descending
People (Age 18-39)
 sort by sample size descending
Rank within US
(of 3146 counties)
 sort by rank descending
Montana 28.4 298,409 12 of 52
United States 29.8 96,748,047 N/A
Beaverhead County 29.4 2,768 2,512
Big Horn County 26.2 3,507 1,714
Blaine County 27.1 1,824 1,996
Broadwater County 21.6 1,284 346
Carbon County 19.0 2,018 113
Carter County 20.4 272 214
Cascade County 29.5 24,094 2,534
Chouteau County 24.5 1,405 1,134
Custer County 26.6 3,116 1,831
Daniels County 17.3 299 34
Dawson County 27.9 2,514 2,190
Deer Lodge County 23.8 2,165 899
Fallon County 26.4 771 1,782
Fergus County 24.7 2,777 1,220
Flathead County 25.3 25,246 1,406
Gallatin County 39.7 42,875 3,077
Garfield County 24.0 249 972
Glacier County 28.9 3,972 2,436
Golden Valley County 15.5 113 15
Granite County 17.7 586 54
Hill County 29.5 4,843 2,522
Jefferson County 19.7 2,351 156
Judith Basin County 17.2 336 32
Lake County 23.6 7,091 857
Lewis and Clark County 27.4 18,593 2,071
Liberty County 23.0 540 667
Lincoln County 17.7 3,457 53
Madison County 21.9 1,817 407
McCone County 23.0 411 664
Meagher County 21.5 406 330
Mineral County 20.3 862 201
Missoula County 36.4 42,681 3,017
Musselshell County 17.1 813 28
Park County 24.1 3,933 975
Petroleum County 18.1 82 66
Phillips County 19.2 783 123
Pondera County 24.6 1,476 1,175
Powder River County 20.8 335 256
Powell County 27.4 1,875 2,053
Prairie County 12.9 161 4
Ravalli County 21.4 9,099 315
Richland County 25.9 2,895 1,587
Roosevelt County 28.2 3,146 2,263
Rosebud County 24.7 2,260 1,195
Sanders County 18.1 2,119 70
Sheridan County 23.6 822 849
Silver Bow County 29.8 10,346 2,572
Stillwater County 20.8 1,969 249
Sweet Grass County 19.0 699 114
Teton County 21.1 1,283 280
Toole County 27.7 1,357 2,156
Treasure County 18.0 120 62
Valley County 23.3 1,744 771
Wheatland County 24.4 522 1,082
Wibaux County 17.6 197 46
Yellowstone County 28.4 45,130 2,302
Notes:
Created by statecancerprofiles.cancer.gov on 07/06/2022 12:57 pm.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 18-39, see the dictionary.
Health Service Areas are a single county or cluster of contiguous counties which are relatively self-contained with respect to hospital care. For more detailed information, please see Health Service Area information page. Puerto Rico is being treated as a Health Service Area for this data presentation.
Data for United States does not include Puerto Rico.

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