OpenFEMA data as of Oct 29, 2026 5,286 declarations · 3,266 counties · 59 states & territories Advertise
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56 counties

Montana: declarations by county

Counties, parishes, boroughs and county-equivalents of Montana named in at least one federal declaration. Statewide declarations are counted on the state page, not here.

56 counties
CountyDeclarationsMajor disastersMost common hazardLatestPopulation 2024
Missoula County2111Fire2026122,546
Powell County1711Fire20267,120
Lewis and Clark County167Fire202475,129
Sanders County168Fire202613,895
Stillwater County1610Flood20269,450
Flathead County159Fire2026114,527
Musselshell County159Flood20235,452
Rosebud County1510Fire20268,194
Lincoln County147Fire202622,184
Park County1411Flood202618,074
Pondera County1411Severe Storm20266,078
Yellowstone County146Fire2022171,583
Blaine County1311Severe Storm20266,903
Carbon County139Flood202611,498
Garfield County138Fire20261,181
Hill County1311Severe Storm202416,065
Ravalli County137Fire202648,187
Valley County1311Flood20267,434
Broadwater County128Fire20268,302
Glacier County129Severe Storm202613,503
Petroleum County129Flood2024525
Powder River County128Fire20261,734
Teton County128Severe Storm20266,444
Toole County1210Severe Storm20245,153
Jefferson County117Flood202013,304
Treasure County119Flood2023739
Chouteau County108Severe Storm20245,880
Dawson County108Flood20268,731
Deer Lodge County107Severe Storm20209,811
Fergus County108Flood202411,862
Golden Valley County107Flood2026863
Liberty County108Severe Storm20201,934
McCone County108Flood20261,717
Meagher County107Severe Storm20202,065
Mineral County105Fire20265,195
Phillips County108Flood20264,214
Sweet Grass County106Fire20263,757
Wheatland County108Severe Storm20262,058
Big Horn County96Fire202612,796
Custer County96Fire202011,964
Gallatin County95Fire2020126,984
Judith Basin County97Severe Storm20262,111
Carter County86Severe Storm20201,399
Daniels County86Flood20231,625
Fallon County86Severe Storm20202,946
Granite County85Biological20203,602
Lake County85Biological202633,403
Richland County86Severe Storm202111,028
Roosevelt County86Severe Storm202310,197
Cascade County75Biological202084,523
Madison County74Biological20209,753
Prairie County75Biological20201,112
Silver Bow County74Biological202036,134
Beaverhead County62Fire202610,006
Sheridan County64Biological20233,448
Wibaux County53Biological2020911