Population Change for Counties in Montana - 2020 to 2024

of the 56 Counties in Montana the fastest growing County is Broadwater County with 15.94% growth. The County lowest growth is Roosevelt County with -4.56% growth.

Map List Related

Montana Population Change Map

< -15%
-15% to -5%
-5% to 0%
0% to 5%
5% to 15%
> 15%

List of Counties in Montana With Population Percentage Change

Map KeyNamePopulation ChangePopulation
Beaverhead County5.26%9,889
Big Horn County-2.34%12,825
Blaine County-2.27%6,884
Broadwater County15.94%8,063
Carbon County8.29%11,426
Carter County-1%1,400
Cascade County0.25%84,625
Chouteau County-0.65%5,877
Custer County1.22%12,013
Daniels County-1.85%1,626
Dawson County-1.38%8,820
Deer Lodge County2.68%9,685
Fallon County-1.67%2,999
Fergus County3.17%11,816
Flathead County8.05%113,495
Gallatin County5.53%125,929
Garfield County3.78%1,216
Glacier County-1.46%13,577
Golden Valley County4.96%867
Granite County7.32%3,565
Hill County-0.69%16,181
Jefferson County7.67%13,086
Judith Basin County3.81%2,099
Lake County6.39%33,255
Lewis and Clark County5.13%74,812
Liberty County-0.05%1,959
Lincoln County10%21,867
Madison County9.3%9,509
Mccone County-2.55%1,684
Meagher County6.27%2,057
Mineral County11.76%5,135
Missoula County3.08%121,672
Musselshell County11.92%5,377
Park County4.14%17,938
Petroleum County8.47%543
Phillips County0.71%4,248
Pondera County3.37%6,108
Powder River County2.14%1,731
Powell County2.54%7,122
Prairie County2.24%1,115
Ravalli County7.51%47,760
Richland County-3.6%11,094
Roosevelt County-4.56%10,327
Rosebud County-2.56%8,123
Sanders County9.66%13,726
Sheridan County-1.49%3,490
Silver Bow County2.94%36,193
Stillwater County2.97%9,237
Sweet Grass County1.92%3,749
Teton County3.29%6,439
Toole County3.1%5,128
Treasure County1.04%767
Valley County-1.4%7,475
Wheatland County0.1%2,068
Wibaux County-3.65%904
Yellowstone County3.52%170,727

Related Maps and Data:

2026 zipdatamaps.com