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Floods in Illinois

Property owners in Illinois have filed 51,163 federal flood insurance claims since 1978, with $584 million paid.

  • 51,163flood insurance claims since 1978
  • $584Mpaid on those claims
  • 2008most claims in one year, 5,338
  • 10thamong the states for claims
2025
  • Floods on record, by year

Over time

Flood insurance claims in Illinois per year 1978: 634 1979: 3,475 1980: 386 1981: 1,373 1982: 3,662 1983: 1,645 1984: 285 1985: 1,611 1986: 1,098 1987: 1,676 1988: 96 1989: 213 1990: 718 1991: 155 1992: 56 1993: 3,883 1994: 439 1995: 720 1996: 2,617 1997: 1,327 1998: 293 1999: 337 2000: 343 2001: 891 2002: 736 2003: 314 2004: 256 2005: 199 2006: 634 2007: 1,093 2008: 5,338 5,338 2009: 582 2010: 2,100 2011: 1,210 2012: 74 2013: 4,388 2014: 662 2015: 991 2016: 215 2017: 985 2018: 628 2019: 1,010 2020: 631 2021: 135 2022: 182 2023: 212 2024: 278 2025: 96 1978198319881993199820032008201320182023

The deadliest floods since 1996

Notable events
Dec 26, 2015Flash FloodBond, Fayette, Jersey6—
Jul 27, 2011Flash FloodCarroll, Jo Daviess, Stephenson5$7.8 million
Dec 26, 2015FloodChristian, Douglas, Effingham4$7.2 million
Aug 7, 2000Flash FloodCrawford3$1.0 million

Every county

Counties with any recorded events, highest first.

Floods by county in Illinois
Cook County15,260
DuPage County3,607
Peoria County2,547
Lake County2,456
Will County2,295
Rock Island County2,132
Jersey County1,869
Winnebago County1,729
Calhoun County1,690
St. Clair County1,469
Madison County1,087
McHenry County987
Kane County929
Iroquois County840
Kankakee County695
Monroe County689
LaSalle County680
Woodford County518
Mason County452
Alexander County444
Henderson County412
DeKalb County404
Adams County374
Fulton County369
Tazewell County345
Jo Daviess County343
Pike County335
Grundy County333
Ogle County308
Sangamon County293
Hancock County288
Whiteside County287
Livingston County282
Morgan County242
Williamson County239
Henry County238
Champaign County235
Douglas County209
Macon County208
Stephenson County193
McLean County188
Randolph County182
Kendall County175
Cass County167
Lee County142
Jackson County118
Massac County110
Union County109
Vermilion County103
Schuyler County93
White County88
Marshall County81
Greene County77
Bureau County73
Putnam County66
Coles County62
Mercer County61
Franklin County60
De Witt County59
Logan County58
Carroll County57
Macoupin County47
Gallatin County47
Boone County46
Knox County40
Menard County35
Pulaski County32
Brown County32
Clinton County29
Scott County29
Marion County29
Saline County28
Warren County26
Crawford County26
Richland County25
Lawrence County23
Montgomery County22
Moultrie County20
Piatt County19
Clark County18
McDonough County16
Hardin County16
Christian County14
Jefferson County13
Wayne County12
Perry County11
Wabash County10
Jasper County10
Washington County8
Bond County6
Edgar County5
Hamilton County5
Clay County4
Effingham County4
Fayette County3
Johnson County3
Shelby County3
Cumberland County2
Ford County2
Stark County1
Pope 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).