Demographics Table
Demographic Data Report for Montana by County
Population: Age 40 and over
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 40 And Over)![]() |
Rank within US (of 3143 counties) ![]() |
---|---|---|---|---|
United States | N/A | 48.3 | 160,683,909 | N/A |
Montana | N/A | 50.3 | 555,816 | 12 of 52 |
Roosevelt County | Rural | 36.9 | 3,935 | 3,095 |
Big Horn County | Rural | 40.9 | 5,307 | 2,990 |
Gallatin County | Urban | 41.2 | 50,292 | 2,972 |
Glacier County | Rural | 41.3 | 5,670 | 2,967 |
Hill County | Rural | 43.1 | 7,005 | 2,883 |
Blaine County | Rural | 43.9 | 3,075 | 2,829 |
Missoula County | Urban | 45.4 | 54,271 | 2,724 |
Rosebud County | Rural | 46.1 | 3,796 | 2,648 |
Liberty County | Rural | 46.2 | 909 | 2,633 |
Fallon County | Rural | 46.5 | 1,310 | 2,597 |
Richland County | Rural | 47.2 | 5,348 | 2,510 |
Cascade County | Urban | 48.0 | 40,615 | 2,413 |
Yellowstone County | Urban | 48.4 | 80,993 | 2,334 |
Toole County | Rural | 49.7 | 2,498 | 2,071 |
Silver Bow County | Rural | 50.3 | 17,902 | 1,935 |
Pondera County | Rural | 51.4 | 3,091 | 1,669 |
Lewis and Clark County | Urban | 51.6 | 37,483 | 1,629 |
Chouteau County | Rural | 52.0 | 3,061 | 1,517 |
Dawson County | Rural | 52.4 | 4,649 | 1,415 |
Teton County | Rural | 52.8 | 3,322 | 1,309 |
Beaverhead County | Rural | 52.9 | 5,075 | 1,283 |
Flathead County | Rural | 53.0 | 57,519 | 1,255 |
Valley County | Rural | 53.7 | 4,051 | 1,099 |
Sweet Grass County | Rural | 54.1 | 2,009 | 1,011 |
Custer County | Rural | 54.2 | 6,466 | 977 |
Lake County | Rural | 54.4 | 17,440 | 936 |
Wibaux County | Rural | 54.4 | 624 | 936 |
Fergus County | Rural | 55.0 | 6,373 | 818 |
Garfield County | Rural | 55.1 | 517 | 797 |
Powell County | Rural | 55.4 | 3,895 | 755 |
Sheridan County | Rural | 56.1 | 2,064 | 640 |
Wheatland County | Rural | 56.2 | 1,152 | 630 |
Stillwater County | Urban | 58.2 | 5,265 | 409 |
Treasure County | Rural | 58.2 | 443 | 409 |
Jefferson County | Urban | 58.3 | 7,287 | 396 |
Phillips County | Rural | 58.5 | 2,473 | 371 |
Mineral County | Urban | 58.9 | 2,823 | 340 |
Prairie County | Rural | 59.0 | 738 | 327 |
Daniels County | Rural | 59.6 | 909 | 288 |
Ravalli County | Rural | 59.7 | 27,349 | 284 |
Broadwater County | Urban | 59.8 | 4,375 | 272 |
Park County | Rural | 59.9 | 10,473 | 262 |
Powder River County | Rural | 60.4 | 1,064 | 234 |
Judith Basin County | Rural | 60.8 | 1,248 | 213 |
McCone County | Rural | 61.3 | 1,114 | 183 |
Golden Valley County | Rural | 61.5 | 517 | 177 |
Deer Lodge County | Rural | 62.0 | 5,896 | 163 |
Carbon County | Urban | 62.3 | 6,774 | 151 |
Musselshell County | Rural | 63.0 | 3,193 | 130 |
Madison County | Rural | 63.4 | 5,686 | 115 |
Lincoln County | Rural | 63.8 | 13,176 | 100 |
Carter County | Rural | 64.0 | 871 | 95 |
Sanders County | Rural | 65.5 | 8,467 | 63 |
Granite County | Rural | 65.9 | 2,253 | 56 |
Meagher County | Rural | 71.3 | 1,412 | 13 |
Petroleum County | Rural | 73.1 | 293 | 6 |
Notes:
Created by statecancerprofiles.cancer.gov on 07/05/2025 3:19 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 40 and over, see the dictionary.
Data for United States does not include Puerto Rico.
Created by statecancerprofiles.cancer.gov on 07/05/2025 3:19 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 40 and over, see the dictionary.
Data for United States does not include Puerto Rico.