Demographics Table
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
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Age 18-39)
|
Rank within US (of 3143 counties)
|
|---|---|---|---|---|
| United States | N/A | 29.5 | 98,058,393 | N/A |
| Montana | N/A | 28.4 | 314,314 | 38 of 52 |
| Gallatin County | Urban | 39.6 | 48,403 | 62 |
| Missoula County | Urban | 36.2 | 43,296 | 117 |
| Toole County | Rural | 30.1 | 1,515 | 470 |
| Powell County | Rural | 29.9 | 2,103 | 500 |
| Roosevelt County | Rural | 29.8 | 3,173 | 512 |
| Beaverhead County | Rural | 29.7 | 2,848 | 535 |
| Cascade County | Urban | 29.5 | 24,986 | 562 |
| Silver Bow County | Rural | 29.1 | 10,353 | 644 |
| Glacier County | Rural | 28.9 | 3,967 | 682 |
| Hill County | Rural | 28.5 | 4,637 | 755 |
| Yellowstone County | Urban | 28.4 | 47,505 | 775 |
| Fallon County | Rural | 28.2 | 793 | 813 |
| Richland County | Rural | 27.5 | 3,117 | 978 |
| Lewis and Clark County | Urban | 26.9 | 19,555 | 1,143 |
| Big Horn County | Rural | 26.7 | 3,460 | 1,210 |
| Blaine County | Rural | 26.7 | 1,865 | 1,210 |
| Dawson County | Rural | 26.5 | 2,355 | 1,285 |
| Treasure County | Rural | 26.0 | 198 | 1,479 |
| Custer County | Rural | 25.9 | 3,091 | 1,514 |
| Deer Lodge County | Rural | 25.6 | 2,432 | 1,623 |
| Sweet Grass County | Rural | 25.5 | 947 | 1,655 |
| Flathead County | Rural | 25.2 | 27,329 | 1,764 |
| Pondera County | Rural | 25.1 | 1,509 | 1,791 |
| Rosebud County | Rural | 25.0 | 2,056 | 1,828 |
| Chouteau County | Rural | 24.8 | 1,460 | 1,916 |
| Liberty County | Rural | 24.3 | 479 | 2,094 |
| Fergus County | Rural | 24.2 | 2,805 | 2,118 |
| Golden Valley County | Rural | 23.9 | 201 | 2,208 |
| Valley County | Rural | 23.7 | 1,790 | 2,266 |
| Lake County | Rural | 23.1 | 7,396 | 2,437 |
| Park County | Rural | 23.1 | 4,042 | 2,437 |
| Sheridan County | Rural | 22.3 | 821 | 2,639 |
| Teton County | Rural | 22.2 | 1,395 | 2,663 |
| Wheatland County | Rural | 21.9 | 449 | 2,718 |
| Jefferson County | Urban | 21.5 | 2,688 | 2,780 |
| Ravalli County | Rural | 21.5 | 9,857 | 2,780 |
| Garfield County | Rural | 21.3 | 200 | 2,815 |
| Powder River County | Rural | 21.2 | 373 | 2,825 |
| Broadwater County | Urban | 21.1 | 1,539 | 2,843 |
| Madison County | Rural | 20.9 | 1,880 | 2,866 |
| Stillwater County | Urban | 20.8 | 1,879 | 2,882 |
| Carbon County | Urban | 20.3 | 2,211 | 2,938 |
| Mineral County | Urban | 20.3 | 974 | 2,938 |
| Daniels County | Rural | 20.2 | 308 | 2,946 |
| McCone County | Rural | 19.8 | 360 | 2,980 |
| Prairie County | Rural | 19.4 | 243 | 3,011 |
| Granite County | Rural | 19.0 | 649 | 3,035 |
| Carter County | Rural | 18.4 | 251 | 3,066 |
| Lincoln County | Rural | 18.2 | 3,755 | 3,074 |
| Phillips County | Rural | 18.0 | 760 | 3,080 |
| Wibaux County | Rural | 17.6 | 202 | 3,085 |
| Musselshell County | Rural | 17.4 | 884 | 3,087 |
| Sanders County | Rural | 17.3 | 2,236 | 3,090 |
| Judith Basin County | Rural | 17.0 | 349 | 3,095 |
| Meagher County | Rural | 16.7 | 330 | 3,103 |
| Petroleum County | Rural | 13.7 | 55 | 3,133 |
Notes:
Created by statecancerprofiles.cancer.gov on 01/19/2026 10:32 pm.
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.
Created by statecancerprofiles.cancer.gov on 01/19/2026 10:32 pm.
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.