Interpretation of Demographics Data
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
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 29.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 98,058,393.
- Rank within US : N/A
Montana
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 28.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 314,314.
- Rank within US : This state is ranked 38 of 52
Gallatin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 39.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 48,403.
- Rank within US : This county is ranked 62 of 3143
Missoula County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 36.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 43,296.
- Rank within US : This county is ranked 117 of 3143
Toole County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 30.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,515.
- Rank within US : This county is ranked 470 of 3143
Powell County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 29.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,103.
- Rank within US : This county is ranked 500 of 3143
Roosevelt County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 29.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,173.
- Rank within US : This county is ranked 512 of 3143
Beaverhead County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 29.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,848.
- Rank within US : This county is ranked 535 of 3143
Cascade County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 29.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 24,986.
- Rank within US : This county is ranked 562 of 3143
Silver Bow County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 29.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 10,353.
- Rank within US : This county is ranked 644 of 3143
Glacier County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 28.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,967.
- Rank within US : This county is ranked 682 of 3143
Hill County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 28.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 4,637.
- Rank within US : This county is ranked 755 of 3143
Yellowstone County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 28.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 47,505.
- Rank within US : This county is ranked 775 of 3143
Fallon County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 28.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 793.
- Rank within US : This county is ranked 813 of 3143
Richland County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 27.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,117.
- Rank within US : This county is ranked 978 of 3143
Lewis and Clark County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 26.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 19,555.
- Rank within US : This county is ranked 1143 of 3143
Big Horn County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 26.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,460.
- Rank within US : This county is ranked 1210 of 3143
Blaine County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 26.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,865.
- Rank within US : This county is ranked 1210 of 3143
Dawson County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 26.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,355.
- Rank within US : This county is ranked 1285 of 3143
Treasure County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 26.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 198.
- Rank within US : This county is ranked 1479 of 3143
Custer County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 25.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,091.
- Rank within US : This county is ranked 1514 of 3143
Deer Lodge County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 25.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,432.
- Rank within US : This county is ranked 1623 of 3143
Sweet Grass County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 25.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 947.
- Rank within US : This county is ranked 1655 of 3143
Flathead County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 25.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 27,329.
- Rank within US : This county is ranked 1764 of 3143
Pondera County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 25.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,509.
- Rank within US : This county is ranked 1791 of 3143
Rosebud County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 25.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,056.
- Rank within US : This county is ranked 1828 of 3143
Chouteau County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 24.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,460.
- Rank within US : This county is ranked 1916 of 3143
Liberty County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 24.3 percent.
- People (Age 18-39) : The number of people (age 18-39) is 479.
- Rank within US : This county is ranked 2094 of 3143
Fergus County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 24.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,805.
- Rank within US : This county is ranked 2118 of 3143
Golden Valley County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 201.
- Rank within US : This county is ranked 2208 of 3143
Valley County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,790.
- Rank within US : This county is ranked 2266 of 3143
Lake County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 7,396.
- Rank within US : This county is ranked 2437 of 3143
Park County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 4,042.
- Rank within US : This county is ranked 2437 of 3143
Sheridan County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.3 percent.
- People (Age 18-39) : The number of people (age 18-39) is 821.
- Rank within US : This county is ranked 2639 of 3143
Teton County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,395.
- Rank within US : This county is ranked 2663 of 3143
Wheatland County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 449.
- Rank within US : This county is ranked 2718 of 3143
Jefferson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,688.
- Rank within US : This county is ranked 2780 of 3143
Ravalli County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 9,857.
- Rank within US : This county is ranked 2780 of 3143
Garfield County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.3 percent.
- People (Age 18-39) : The number of people (age 18-39) is 200.
- Rank within US : This county is ranked 2815 of 3143
Powder River County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 373.
- Rank within US : This county is ranked 2825 of 3143
Broadwater County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,539.
- Rank within US : This county is ranked 2843 of 3143
Madison County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.9 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,880.
- Rank within US : This county is ranked 2866 of 3143
Stillwater County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 1,879.
- Rank within US : This county is ranked 2882 of 3143
Carbon County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.3 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,211.
- Rank within US : This county is ranked 2938 of 3143
Mineral County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.3 percent.
- People (Age 18-39) : The number of people (age 18-39) is 974.
- Rank within US : This county is ranked 2938 of 3143
Daniels County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 308.
- Rank within US : This county is ranked 2946 of 3143
McCone County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 360.
- Rank within US : This county is ranked 2980 of 3143
Prairie County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 243.
- Rank within US : This county is ranked 3011 of 3143
Granite County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 649.
- Rank within US : This county is ranked 3035 of 3143
Carter County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 18.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 251.
- Rank within US : This county is ranked 3066 of 3143
Lincoln County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 18.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,755.
- Rank within US : This county is ranked 3074 of 3143
Phillips County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 18.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 760.
- Rank within US : This county is ranked 3080 of 3143
Wibaux County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 202.
- Rank within US : This county is ranked 3085 of 3143
Musselshell County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 884.
- Rank within US : This county is ranked 3087 of 3143
Sanders County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.3 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,236.
- Rank within US : This county is ranked 3090 of 3143
Judith Basin County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 349.
- Rank within US : This county is ranked 3095 of 3143
Meagher County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 16.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 330.
- Rank within US : This county is ranked 3103 of 3143
Petroleum County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 13.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 55.
- Rank within US : This county is ranked 3133 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 06/24/2025 9:24 am.
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.