Montana 2014 Population By County
Updated on December 2, 2021.

According to the US Census Bureau population estimates, there were 1,022,657 people living in Montana in 2014. Yellowstone County was the most populated county with 155,379 residents, followed by Missoula County with 112,924 residents, and Gallatin County with 97,629 residents. Petroleum County with a population of 489 was the least populated county in Montana in 2014.

Use the map below to interactively explore the population of each county in Montana in 2014. The data can also be explored further by sorting and filtering with the table below.

Montana 2014 Population By County
See also Population estimate for other years:
Table of Montana 2014 Population By County
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County Population % of State Population
Beaverhead 9,340 0.91
Big Horn 13,341 1.31
Blaine 6,710 0.66
Broadwater 5,657 0.55
Carbon 10,438 1.02
Carter 1,150 0.11
Cascade 82,118 8.03
Chouteau 5,902 0.58
Custer 12,023 1.18
Daniels 1,798 0.18
Dawson 9,518 0.93
Deer Lodge 9,125 0.89
Fallon 3,111 0.30
Fergus 11,336 1.11
Flathead 94,642 9.26
Gallatin 97,629 9.55
Garfield 1,274 0.13
Glacier 13,711 1.34
Golden Valley 841 0.08
Granite 3,144 0.31
Hill 16,500 1.61
Jefferson 11,505 1.13
Judith Basin 1,985 0.19
Lake 29,236 2.86
Lewis and Clark 65,764 6.43
Liberty 2,351 0.23
Lincoln 19,208 1.88
McCone 1,713 0.17
Madison 7,832 0.77
Meagher 1,857 0.18
Mineral 4,196 0.41
Missoula 112,924 11.04
Musselshell 4,647 0.45
Park 15,926 1.56
Petroleum 489 0.05
Phillips 4,174 0.41
Pondera 6,140 0.60
Powder River 1,777 0.17
Powell 6,876 0.67
Prairie 1,125 0.11
Ravalli 40,786 3.99
Richland 11,555 1.13
Roosevelt 11,283 1.10
Rosebud 9,327 0.91
Sanders 11,316 1.11
Sheridan 3,661 0.36
Silver Bow 34,801 3.40
Stillwater 9,230 0.90
Sweet Grass 3,637 0.36
Teton 6,035 0.59
Toole 5,121 0.50
Treasure 684 0.07
Valley 7,636 0.75
Wheatland 2,089 0.20
Wibaux 1,084 0.11
Yellowstone 155,379 15.19