State Cancer Profiles

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 07/13/2025 6:50 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.