State Cancer Profiles

Interpretation of Demographics Data

Demographic Data Report for Montana by County
Population: Age 40-64
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent

Montana

• 2023 Rural-Urban Continuum Codes Φ : N/A
• Value (Percent) : The value is 30.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 340,202.
• Rank within US : This county is ranked 38 of 52

United States

• 2023 Rural-Urban Continuum Codes Φ : N/A
• Value (Percent) : The value is 31.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 104,825,270.
• Rank within US : N/A

Prairie County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 22.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 280.
• Rank within US : This county is ranked 3112 of 3143

Fallon County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 24.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 681.
• Rank within US : This county is ranked 3073 of 3143

Roosevelt County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 24.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 2,600.
• Rank within US : This county is ranked 3073 of 3143

Big Horn County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 26.9 percent.
• People (Age 40-64) : The number of people (age 40-64) is 3,468.
• Rank within US : This county is ranked 2949 of 3143

Hill County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 26.9 percent.
• People (Age 40-64) : The number of people (age 40-64) is 4,352.
• Rank within US : This county is ranked 2949 of 3143

Wheatland County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 26.9 percent.
• People (Age 40-64) : The number of people (age 40-64) is 553.
• Rank within US : This county is ranked 2949 of 3143

Garfield County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.2 percent.
• People (Age 40-64) : The number of people (age 40-64) is 298.
• Rank within US : This county is ranked 2915 of 3143

Blaine County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,911.
• Rank within US : This county is ranked 2884 of 3143

Glacier County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 3,773.
• Rank within US : This county is ranked 2862 of 3143

Powder River County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 503.
• Rank within US : This county is ranked 2862 of 3143

Gallatin County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.9 percent.
• People (Age 40-64) : The number of people (age 40-64) is 34,663.
• Rank within US : This county is ranked 2843 of 3143

Liberty County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.9 percent.
• People (Age 40-64) : The number of people (age 40-64) is 545.
• Rank within US : This county is ranked 2843 of 3143

Missoula County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 28.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 34,439.
• Rank within US : This county is ranked 2749 of 3143

Chouteau County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 28.8 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,703.
• Rank within US : This county is ranked 2679 of 3143

Cascade County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 28.9 percent.
• People (Age 40-64) : The number of people (age 40-64) is 24,465.
• Rank within US : This county is ranked 2660 of 3143

Beaverhead County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 29.0 percent.
• People (Age 40-64) : The number of people (age 40-64) is 2,818.
• Rank within US : This county is ranked 2644 of 3143

Teton County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 29.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,870.
• Rank within US : This county is ranked 2559 of 3143

Fergus County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 29.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 3,470.
• Rank within US : This county is ranked 2457 of 3143

Rosebud County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 29.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 2,425.
• Rank within US : This county is ranked 2457 of 3143

Golden Valley County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.0 percent.
• People (Age 40-64) : The number of people (age 40-64) is 270.
• Rank within US : This county is ranked 2361 of 3143

Pondera County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.1 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,814.
• Rank within US : This county is ranked 2329 of 3143

Mineral County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 30.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,505.
• Rank within US : This county is ranked 2260 of 3143

Yellowstone County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 30.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 51,437.
• Rank within US : This county is ranked 2235 of 3143

Lake County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 9,938.
• Rank within US : This county is ranked 2198 of 3143

Toole County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,545.
• Rank within US : This county is ranked 2198 of 3143

Wibaux County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 364.
• Rank within US : This county is ranked 2198 of 3143

Richland County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.6 percent.
• People (Age 40-64) : The number of people (age 40-64) is 3,433.
• Rank within US : This county is ranked 2150 of 3143

Valley County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.6 percent.
• People (Age 40-64) : The number of people (age 40-64) is 2,299.
• Rank within US : This county is ranked 2150 of 3143

Dawson County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.0 percent.
• People (Age 40-64) : The number of people (age 40-64) is 2,733.
• Rank within US : This county is ranked 1952 of 3143

Silver Bow County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.0 percent.
• People (Age 40-64) : The number of people (age 40-64) is 11,109.
• Rank within US : This county is ranked 1952 of 3143

Judith Basin County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 651.
• Rank within US : This county is ranked 1748 of 3143

Sweet Grass County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,167.
• Rank within US : This county is ranked 1748 of 3143

Daniels County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.6 percent.
• People (Age 40-64) : The number of people (age 40-64) is 472.
• Rank within US : This county is ranked 1627 of 3143

Sheridan County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.8 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,168.
• Rank within US : This county is ranked 1520 of 3143

McCone County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.9 percent.
• People (Age 40-64) : The number of people (age 40-64) is 533.
• Rank within US : This county is ranked 1466 of 3143

Flathead County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 32.1 percent.
• People (Age 40-64) : The number of people (age 40-64) is 35,574.
• Rank within US : This county is ranked 1357 of 3143

Lewis and Clark County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 32.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 23,699.
• Rank within US : This county is ranked 1236 of 3143

Sanders County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 32.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 4,310.
• Rank within US : This county is ranked 1175 of 3143

Madison County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 32.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 2,998.
• Rank within US : This county is ranked 1114 of 3143

Stillwater County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 32.8 percent.
• People (Age 40-64) : The number of people (age 40-64) is 3,009.
• Rank within US : This county is ranked 961 of 3143

Ravalli County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 32.9 percent.
• People (Age 40-64) : The number of people (age 40-64) is 15,367.
• Rank within US : This county is ranked 909 of 3143

Carter County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 33.0 percent.
• People (Age 40-64) : The number of people (age 40-64) is 432.
• Rank within US : This county is ranked 851 of 3143

Musselshell County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 33.0 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,698.
• Rank within US : This county is ranked 851 of 3143

Carbon County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 33.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 3,716.
• Rank within US : This county is ranked 647 of 3143

Lincoln County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 33.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 7,102.
• Rank within US : This county is ranked 603 of 3143

Custer County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 33.9 percent.
• People (Age 40-64) : The number of people (age 40-64) is 4,056.
• Rank within US : This county is ranked 452 of 3143

Park County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 34.0 percent.
• People (Age 40-64) : The number of people (age 40-64) is 6,018.
• Rank within US : This county is ranked 425 of 3143

Jefferson County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 34.2 percent.
• People (Age 40-64) : The number of people (age 40-64) is 4,370.
• Rank within US : This county is ranked 362 of 3143

Phillips County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 34.6 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,461.
• Rank within US : This county is ranked 262 of 3143

Broadwater County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 35.1 percent.
• People (Age 40-64) : The number of people (age 40-64) is 2,688.
• Rank within US : This county is ranked 189 of 3143

Deer Lodge County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 35.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 3,408.
• Rank within US : This county is ranked 140 of 3143

Meagher County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 35.6 percent.
• People (Age 40-64) : The number of people (age 40-64) is 714.
• Rank within US : This county is ranked 125 of 3143

Granite County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 35.8 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,241.
• Rank within US : This county is ranked 100 of 3143

Powell County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 37.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 2,632.
• Rank within US : This county is ranked 37 of 3143

Treasure County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 37.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 273.
• Rank within US : This county is ranked 37 of 3143

Petroleum County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 40.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 181.
• Rank within US : This county is ranked 10 of 3143

Notes:
Created by statecancerprofiles.cancer.gov on 03/21/2026 8:16 pm.

Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.

Source: Demographic data provided by the Census Bureau and the American Community Survey.

For more information about Population: Age 40-64, see the dictionary.

Data for United States does not include Puerto Rico.