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Demographics Table

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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
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2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
 sort by value descending
People (Age 40 And Over)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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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.

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