Map of Population Change for Counties in Montana - 2010 to 2020

Montana Population Change Map

< -15%

-15% to -5%

-5% to 0%

0% to 5%

5% to 15%

> 15%

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List of Counties in Montana With Population Percentage Change
Map Key Name Population Change
-99%

Beaverhead County 1.4%

Big Horn County 2%

Blaine County 8.5%

Broadwater County 20.7%

Carbon County 3.9%

Carter County 22%

Cascade County 3.8%

Chouteau County 1.4%

Custer County 1.4%

Daniels County -5.1%

Dawson County -0.3%

Deer Lodge County 1.3%

Fallon County 5.5%

Fergus County -1.2%

Flathead County 14.8%

Gallatin County 32.9%

Garfield County -2.7%

Glacier County 2.8%

Golden Valley County -6.9%

Granite County 7.5%

Hill County 1.3%

Jefferson County 6%

Judith Basin County -2.4%

Lake County 8.3%

Lewis and Clark County 12%

Liberty County -16.2%

Lincoln County -0.1%

Madison County 12.1%

Mccone County -0.3%

Meagher County 1.9%

Mineral County 7.4%

Missoula County 7.9%

Musselshell County 4.2%

Park County 9.9%

Petroleum County 0.4%

Phillips County -0.8%

Pondera County -4.1%

Powder River County -2.8%

Powell County -1.2%

Prairie County -7.7%

Ravalli County 9.9%

Richland County 17.9%

Roosevelt County 3.5%

Rosebud County -9.8%

Sanders County -99.9%

Sheridan County 4.6%

Silver Bow County 2.7%

Stillwater County -1.7%

Sweet Grass County 0.7%

Teton County 2.5%

Toole County -6.6%

Treasure County 6.1%

Valley County 2.8%

Wheatland County -4.6%

Wibaux County -7.9%

Yellowstone County 11.3%