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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 Value
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
Roosevelt County 34.1 3,707 24
Big Horn County 34.0 4,482 26
Blaine County 30.3 2,134 89
Glacier County 29.8 4,122 96
Hill County 28.1 4,578 151
Rosebud County 28.0 2,368 157
Wibaux County 26.2 267 306
Liberty County 26.2 530 314
Richland County 25.5 2,903 420
Fallon County 24.8 761 579
Teton County 24.8 1,528 581
Phillips County 23.7 1,004 945
Pondera County 23.7 1,413 968
Prairie County 23.6 290 971
Yellowstone County 23.6 38,563 999
Valley County 23.5 1,772 1,043
Judith Basin County 23.5 470 1,049
Lake County 23.4 7,253 1,093
Chouteau County 23.3 1,372 1,138
Cascade County 22.8 19,168 1,352
Flathead County 21.9 22,673 1,713
Garfield County 21.7 211 1,816
Lewis and Clark County 21.6 15,169 1,892
Stillwater County 21.6 1,922 1,898
Daniels County 21.2 368 2,034
Dawson County 21.0 1,889 2,089
Wheatland County 20.8 434 2,139
Sheridan County 20.7 728 2,189
Silver Bow County 20.6 7,228 2,203
Jefferson County 20.5 2,470 2,251
Sweet Grass County 20.5 755 2,266
Powder River County 20.4 359 2,284
Custer County 20.2 2,423 2,327
Toole County 20.1 1,010 2,360
Fergus County 20.1 2,301 2,379
Gallatin County 19.8 23,108 2,464
Mineral County 19.4 869 2,564
Broadwater County 19.1 1,270 2,632
Ravalli County 19.1 8,362 2,640
Musselshell County 19.1 917 2,642
McCone County 18.9 341 2,675
Missoula County 18.7 21,982 2,711
Lincoln County 18.4 3,613 2,777
Granite County 17.9 596 2,840
Carbon County 17.8 1,867 2,853
Sanders County 17.6 2,164 2,875
Petroleum County 17.5 76 2,884
Meagher County 17.5 338 2,890
Carter County 17.5 236 2,891
Park County 17.2 2,936 2,926
Beaverhead County 17.2 1,611 2,931
Treasure County 16.9 117 2,958
Golden Valley County 16.7 137 2,976
Madison County 15.6 1,326 3,052
Powell County 15.1 1,053 3,072
Deer Lodge County 13.6 1,271 3,112
Notes:
Created by statecancerprofiles.cancer.gov on 03/03/2024 4:06 am.
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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