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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)
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People (Age 40 And Over)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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Montana N/A 50.3 555,816 12 of 52
United States N/A 48.3 160,683,909 N/A
Petroleum County Rural 73.1 293 6
Meagher County Rural 71.3 1,412 13
Granite County Rural 65.9 2,253 56
Sanders County Rural 65.5 8,467 63
Carter County Rural 64.0 871 95
Lincoln County Rural 63.8 13,176 100
Madison County Rural 63.4 5,686 115
Musselshell County Rural 63.0 3,193 130
Carbon County Urban 62.3 6,774 151
Deer Lodge County Rural 62.0 5,896 163
Golden Valley County Rural 61.5 517 177
McCone County Rural 61.3 1,114 183
Judith Basin County Rural 60.8 1,248 213
Powder River County Rural 60.4 1,064 234
Park County Rural 59.9 10,473 262
Broadwater County Urban 59.8 4,375 272
Ravalli County Rural 59.7 27,349 284
Daniels County Rural 59.6 909 288
Prairie County Rural 59.0 738 327
Mineral County Urban 58.9 2,823 340
Phillips County Rural 58.5 2,473 371
Jefferson County Urban 58.3 7,287 396
Stillwater County Urban 58.2 5,265 409
Treasure County Rural 58.2 443 409
Wheatland County Rural 56.2 1,152 630
Sheridan County Rural 56.1 2,064 640
Powell County Rural 55.4 3,895 755
Garfield County Rural 55.1 517 797
Fergus County Rural 55.0 6,373 818
Lake County Rural 54.4 17,440 936
Wibaux County Rural 54.4 624 936
Custer County Rural 54.2 6,466 977
Sweet Grass County Rural 54.1 2,009 1,011
Valley County Rural 53.7 4,051 1,099
Flathead County Rural 53.0 57,519 1,255
Beaverhead County Rural 52.9 5,075 1,283
Teton County Rural 52.8 3,322 1,309
Dawson County Rural 52.4 4,649 1,415
Chouteau County Rural 52.0 3,061 1,517
Lewis and Clark County Urban 51.6 37,483 1,629
Pondera County Rural 51.4 3,091 1,669
Silver Bow County Rural 50.3 17,902 1,935
Toole County Rural 49.7 2,498 2,071
Yellowstone County Urban 48.4 80,993 2,334
Cascade County Urban 48.0 40,615 2,413
Richland County Rural 47.2 5,348 2,510
Fallon County Rural 46.5 1,310 2,597
Liberty County Rural 46.2 909 2,633
Rosebud County Rural 46.1 3,796 2,648
Missoula County Urban 45.4 54,271 2,724
Blaine County Rural 43.9 3,075 2,829
Hill County Rural 43.1 7,005 2,883
Glacier County Rural 41.3 5,670 2,967
Gallatin County Urban 41.2 50,292 2,972
Big Horn County Rural 40.9 5,307 2,990
Roosevelt County Rural 36.9 3,935 3,095
Notes:
Created by statecancerprofiles.cancer.gov on 07/03/2025 7:57 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 40 and over, see the dictionary.

Data for United States does not include Puerto Rico.

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