Return to Home Demographics > Table

Demographics Table

Data Options

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 Count
County
 sort alphabetically by name ascending
Value (Percent)
 sort by value ascending
People (Age Under 18)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
United States 22.5 74,234,075 N/A
Montana 21.6 232,815 37 of 52
Yellowstone County 23.6 38,563 999
Gallatin County 19.8 23,108 2,464
Flathead County 21.9 22,673 1,713
Missoula County 18.7 21,982 2,711
Cascade County 22.8 19,168 1,352
Lewis and Clark County 21.6 15,169 1,892
Ravalli County 19.1 8,362 2,640
Lake County 23.4 7,253 1,093
Silver Bow County 20.6 7,228 2,203
Hill County 28.1 4,578 151
Big Horn County 34.0 4,482 26
Glacier County 29.8 4,122 96
Roosevelt County 34.1 3,707 24
Lincoln County 18.4 3,613 2,777
Park County 17.2 2,936 2,926
Richland County 25.5 2,903 420
Jefferson County 20.5 2,470 2,251
Custer County 20.2 2,423 2,327
Rosebud County 28.0 2,368 157
Fergus County 20.1 2,301 2,379
Sanders County 17.6 2,164 2,875
Blaine County 30.3 2,134 89
Stillwater County 21.6 1,922 1,898
Dawson County 21.0 1,889 2,089
Carbon County 17.8 1,867 2,853
Valley County 23.5 1,772 1,043
Beaverhead County 17.2 1,611 2,931
Teton County 24.8 1,528 581
Pondera County 23.7 1,413 968
Chouteau County 23.3 1,372 1,138
Madison County 15.6 1,326 3,052
Deer Lodge County 13.6 1,271 3,112
Broadwater County 19.1 1,270 2,632
Powell County 15.1 1,053 3,072
Toole County 20.1 1,010 2,360
Phillips County 23.7 1,004 945
Musselshell County 19.1 917 2,642
Mineral County 19.4 869 2,564
Fallon County 24.8 761 579
Sweet Grass County 20.5 755 2,266
Sheridan County 20.7 728 2,189
Granite County 17.9 596 2,840
Liberty County 26.2 530 314
Judith Basin County 23.5 470 1,049
Wheatland County 20.8 434 2,139
Daniels County 21.2 368 2,034
Powder River County 20.4 359 2,284
McCone County 18.9 341 2,675
Meagher County 17.5 338 2,890
Prairie County 23.6 290 971
Wibaux County 26.2 267 306
Carter County 17.5 236 2,891
Garfield County 21.7 211 1,816
Golden Valley County 16.7 137 2,976
Treasure County 16.9 117 2,958
Petroleum County 17.5 76 2,884
Notes:
Created by statecancerprofiles.cancer.gov on 04/25/2024 6:30 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.

Return to Top