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Floods in Montana

Property owners in Montana have filed 2,162 federal flood insurance claims since 1978, with $19.0 million paid.

  • 2,162flood insurance claims since 1978
  • $19.0Mpaid on those claims
  • 2011most claims in one year, 457
  • 44thamong the states for claims
2025
  • Floods on record, by year

Over time

Flood insurance claims in Montana per year 1978: 230 1979: 211 1980: 39 1981: 110 1982: 26 1983: 4 1984: 12 1985: 5 1986: 27 1989: 11 1990: 2 1991: 23 1992: 2 1993: 5 1994: 1 1995: 10 1996: 74 1997: 399 1998: 15 1999: 2 2000: 1 2001: 10 2002: 6 2003: 11 2004: 5 2005: 10 2006: 8 2007: 13 2008: 18 2009: 7 2010: 18 2011: 457 457 2012: 8 2013: 24 2014: 39 2015: 8 2016: 10 2017: 10 2018: 117 2019: 23 2020: 4 2021: 5 2022: 119 2023: 14 2024: 3 2025: 2 1978198319901995200020052010201520202025

Every county

Counties with any recorded events, highest first.

Floods by county in Montana
Yellowstone County272
Cascade County257
Valley County250
Missoula County172
Custer County156
Park County141
Flathead County132
Lewis and Clark County102
Gallatin County76
Musselshell County60
Stillwater County60
Carbon County59
Blaine County50
Lincoln County39
Phillips County39
Ravalli County36
Fergus County27
Wheatland County19
Powell County18
Hill County17
Big Horn County16
Beaverhead County12
Lake County12
Rosebud County12
Sweet Grass County10
Silver Bow County10
Deer Lodge County9
Roosevelt County9
Sanders County9
Glacier County8
Richland County8
Powder River County7
Granite County7
Dawson County7
Madison County6
Meagher County6
Mineral County5
Teton County5
Jefferson County5
Garfield County5
Liberty County4
Wibaux County3
Broadwater County2
Sheridan County1
Fallon County1
Toole County1

This product uses the Federal Emergency Management Agency’s OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency’s website(s).