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Demographics Table

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Demographic Data Report for Montana by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2017-2021 American Community Survey 5-Year Data
Sorted by Name
County
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Value (Percent)
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People (Age Under 18)
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Rank within US
(of 3143 counties)
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United States 22.5 74,234,075 N/A
Montana 21.6 232,815 37 of 52
Yellowstone County 23.6 38,563 999
Wibaux County 26.2 267 306
Wheatland County 20.8 434 2,139
Valley County 23.5 1,772 1,043
Treasure County 16.9 117 2,958
Toole County 20.1 1,010 2,360
Teton County 24.8 1,528 581
Sweet Grass County 20.5 755 2,266
Stillwater County 21.6 1,922 1,898
Silver Bow County 20.6 7,228 2,203
Sheridan County 20.7 728 2,189
Sanders County 17.6 2,164 2,875
Rosebud County 28.0 2,368 157
Roosevelt County 34.1 3,707 24
Richland County 25.5 2,903 420
Ravalli County 19.1 8,362 2,640
Prairie County 23.6 290 971
Powell County 15.1 1,053 3,072
Powder River County 20.4 359 2,284
Pondera County 23.7 1,413 968
Phillips County 23.7 1,004 945
Petroleum County 17.5 76 2,884
Park County 17.2 2,936 2,926
Musselshell County 19.1 917 2,642
Missoula County 18.7 21,982 2,711
Mineral County 19.4 869 2,564
Meagher County 17.5 338 2,890
McCone County 18.9 341 2,675
Madison County 15.6 1,326 3,052
Lincoln County 18.4 3,613 2,777
Liberty County 26.2 530 314
Lewis and Clark County 21.6 15,169 1,892
Lake County 23.4 7,253 1,093
Judith Basin County 23.5 470 1,049
Jefferson County 20.5 2,470 2,251
Hill County 28.1 4,578 151
Granite County 17.9 596 2,840
Golden Valley County 16.7 137 2,976
Glacier County 29.8 4,122 96
Garfield County 21.7 211 1,816
Gallatin County 19.8 23,108 2,464
Flathead County 21.9 22,673 1,713
Fergus County 20.1 2,301 2,379
Fallon County 24.8 761 579
Deer Lodge County 13.6 1,271 3,112
Dawson County 21.0 1,889 2,089
Daniels County 21.2 368 2,034
Custer County 20.2 2,423 2,327
Chouteau County 23.3 1,372 1,138
Cascade County 22.8 19,168 1,352
Carter County 17.5 236 2,891
Carbon County 17.8 1,867 2,853
Broadwater County 19.1 1,270 2,632
Blaine County 30.3 2,134 89
Big Horn County 34.0 4,482 26
Beaverhead County 17.2 1,611 2,931
Notes:
Created by statecancerprofiles.cancer.gov on 04/18/2024 7:39 pm.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age under 18, see the dictionary.
Data for United States does not include Puerto Rico.

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