Ranking of Montana Counties By Net Migration in 2021

Updated on January 26, 2024.

Based on the US Census Vintage data estimates, in 2021, the Net Migration for Montana was 21.08K. Among all Montana counties, Flathead County had the highest net migration (4.13K), followed by Gallatin County (3.06K), and Yellowstone County (2.30K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Montana counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Montana Counties By Net Migration in 2021
Flathead
4.13K
Gallatin
3.06K
Yellowstone
2.30K
Ravalli
2.00K
Lewis and Clark
1.40K
Missoula
1.39K
Lincoln
1.03K
Lake
931
Sanders
645
Silver Bow
499
Ranking of Montana Counties By Net Migration in 2021
Rank
County
Net Migration
1 Flathead County 4,128
2 Gallatin County 3,059
3 Yellowstone County 2,298
4 Ravalli County 2,002
5 Lewis and Clark County 1,401
6 Missoula County 1,388
7 Lincoln County 1,034
8 Lake County 931
9 Sanders County 645
10 Silver Bow County 499
11 Broadwater County 482
12 Carbon County 431
13 Jefferson County 411
14 Park County 380
15 Madison County 351
16 Mineral County 343
17 Cascade County 234
18 Fergus County 214
19 Beaverhead County 203
19 Musselshell County 203
20 Deer Lodge County 171
21 Pondera County 147
22 Custer County 138
23 Powell County 123
24 Sweet Grass County 68
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