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Illinois flood insurance claims by county
52,890 National Flood Insurance Program claims across 101 Illinois counties since 1978, with $596.0M paid. The worst year statewide was 2008 (5,357 claims), and July is the peak month for flood losses. Pick a county for ZIP-level detail.
NFIP claims
52,890
1978 – 2026
Total paid
$596.0M
nominal dollars
Counties with claims
101
each has its own page
Outside high-risk zones
24%
of claims with a known zone
Illinois flood claims by year
Peak: 5,357 claims in 2008
All Illinois NFIP claims by year of loss.
Illinois counties by flood claims
| Cook County | 15,260 | $139.8M | 31% | 2008 | Hurricane Ike (2008) |
| DuPage County | 3,607 | $55.6M | 33% | 1987 | Mid-spring storms (2013) |
| Peoria County | 2,547 | $23.6M | 9% | 1982 | Mid-spring storms (2013) |
| Lake County | 2,456 | $28.7M | 26% | 2017 | Mid-spring storms (2013) |
| Will County | 2,295 | $21.1M | 23% | 1996 | Mid-spring storms (2013) |
| Rock Island County | 2,132 | $20.2M | 11% | 1979 | Midwest Flooding (1993) |
| Jersey County | 1,869 | $24.4M | 5% | 1993 | Midwest Flooding (1993) |
| Winnebago County | 1,729 | $27.3M | 17% | 2008 | Mid-spring storms (2013) |
| Calhoun County | 1,690 | $16.8M | 8% | 1993 | Midwest Flooding (1993) |
| St. Clair County | 1,469 | $7.8M | 51% | 1993 | Midwest Flooding (1993) |
| Madison County | 1,087 | $8.0M | 35% | 1979 | Midwest Flooding (1993) |
| McHenry County | 987 | $7.6M | 19% | 2013 | Mid-spring storms (2013) |
| Kane County | 929 | $11.6M | 31% | 1996 | Mid-spring storms (2013) |
| Iroquois County | 840 | $16.9M | 5% | 2008 | Early winter storms (2015) |
| Kankakee County | 695 | $10.2M | 20% | 2008 | Hurricane Ike (2008) |
| Monroe County | 689 | $22.7M | 4% | 1993 | Midwest Flooding (1993) |
| LaSalle County | 680 | $12.7M | 26% | 2008 | Mid-spring storms (2013) |
| Woodford County | 518 | $5.1M | 9% | 1982 | Mid-spring storms (2013) |
| Mason County | 452 | $3.4M | 47% | 1993 | Mid-spring storms (2013) |
| Alexander County | 444 | $3.2M | 9% | 2011 | Mid-spring storms (2011) |
| Henderson County | 412 | $11.5M | 15% | 2008 | Midwest Flooding (1993) |
| DeKalb County | 404 | $4.6M | 25% | 1996 | Hurricane Ike (2008) |
| Adams County | 374 | $13.7M | 10% | 1993 | Midwest Flooding (1993) |
| Fulton County | 369 | $2.8M | 5% | 1982 | Midwest Flooding (1993) |
| Tazewell County | 345 | $1.9M | 33% | 1982 | Mid-spring storms (2013) |
| Jo Daviess County | 343 | $3.9M | 8% | 2011 | Midwest Flooding (1993) |
| Pike County | 335 | $7.2M | 12% | 1993 | Midwest Flooding (1993) |
| Grundy County | 333 | $6.4M | 16% | 2013 | Mid-spring storms (2013) |
| Ogle County | 308 | $3.5M | 12% | 1996 | Mid-spring storms (2013) |
| Sangamon County | 293 | $3.7M | 32% | 1982 | Early winter storms (2015) |
| Hancock County | 288 | $5.9M | 11% | 1993 | Midwest Flooding (1993) |
| Whiteside County | 287 | $2.3M | 20% | 1993 | Midwest Flooding (1993) |
| Livingston County | 282 | $2.0M | 5% | 2008 | Mid-spring storms (2013) |
| Morgan County | 242 | $1.6M | 13% | 1982 | Midwest Flooding (1993) |
| Williamson County | 239 | $2.1M | 21% | 1996 | March storm (2008) |
| Henry County | 238 | $1.7M | 13% | 1979 | Mid-spring storms (2013) |
| Champaign County | 235 | $2.1M | 26% | 2008 | Midwest Flooding (1993) |
| Douglas County | 209 | $1.2M | 11% | 1996 | Early winter storms (2015) |
| Macon County | 208 | $1.4M | 34% | 1983 | Early winter storms (2015) |
| Stephenson County | 193 | $3.6M | 29% | 2017 | Midwest Flooding (1993) |
| McLean County | 188 | $1.7M | 52% | 1982 | Midwest Flooding (1993) |
| Randolph County | 182 | $2.7M | 9% | 1993 | Midwest Flooding (1993) |
| Kendall County | 175 | $3.1M | 45% | 1996 | Hurricane Ike (2008) |
| Cass County | 167 | $980K | 30% | 1982 | Hurricane Ike (2008) |
| Lee County | 142 | $730K | 23% | 1985 | Mid-spring storms (2013) |
| Jackson County | 118 | $2.1M | 26% | 2008 | March storm (2008) |
| Massac County | 110 | $2.4M | 37% | 2011 | Mid-spring storms (2011) |
| Union County | 109 | $443K | 1% | 1993 | Midwest Flooding (1993) |
| Vermilion County | 103 | $2.2M | 24% | 1994 | Early winter storms (2015) |
| Schuyler County | 93 | $327K | 21% | 1982 | Mid-spring storms (2013) |
| White County | 88 | $1.5M | 28% | 2011 | Mid-spring storms (2011) |
| Marshall County | 81 | $737K | 15% | 1982 | Mid-spring storms (2013) |
| Greene County | 77 | $1.5M | 2% | 1993 | Midwest Flooding (1993) |
| Bureau County | 73 | $244K | 27% | 2013 | Mid-spring storms (2013) |
| Putnam County | 66 | $1.1M | 22% | 1985 | Mid-spring storms (2013) |
| Coles County | 62 | $710K | 32% | 1999 | Mid-spring storms (2011) |
| Mercer County | 61 | $1.4M | 18% | 1993 | Midwest Flooding (1993) |
| Franklin County | 60 | $549K | 36% | 2008 | March storm (2008) |
| De Witt County | 59 | $377K | 26% | 1979 | Hurricane Ike (2008) |
| Logan County | 58 | $113K | 58% | 1982 | — |
| Carroll County | 57 | $807K | 65% | 2010 | Midwest Flooding (1993) |
| Gallatin County | 47 | $870K | 20% | 2011 | Mid-spring storms (2011) |
| Macoupin County | 47 | $272K | 16% | 1979 | Midwest Flooding (1993) |
| Boone County | 46 | $271K | 25% | 1999 | Mid-spring storms (2013) |
| Knox County | 40 | $392K | 34% | 2013 | Midwest Flooding (1993) |
| Menard County | 35 | $162K | 58% | 1994 | Early winter storms (2015) |
| Pulaski County | 32 | $168K | 45% | 1983 | Mid-spring storms (2011) |
| Brown County | 32 | $438K | 17% | 1982 | Midwest Flooding (1993) |
| Marion County | 29 | $548K | 11% | 1993 | Midwest Flooding (1993) |
| Scott County | 29 | $132K | 12% | 1993 | Midwest Flooding (1993) |
| Clinton County | 29 | $646K | 18% | 2015 | Early winter storms (2015) |
| Saline County | 28 | $487K | 26% | 2014 | Mid-spring storms (2011) |
| Crawford County | 26 | $538K | 38% | 2008 | Mid-spring storms (2013) |
| Warren County | 26 | $193K | 13% | 1982 | Mid-spring storms (2013) |
| Richland County | 25 | $199K | 0% | 1993 | Midwest Flooding (1993) |
| Lawrence County | 23 | $272K | 35% | 2019 | Mid-spring storms (2011) |
| Montgomery County | 22 | $288K | 10% | 1982 | Hurricane Ike (2008) |
| Moultrie County | 20 | $121K | 43% | 2008 | Mid-spring storms (2013) |
| Piatt County | 19 | $364K | 44% | 2008 | Hurricane Ike (2008) |
| Clark County | 18 | $209K | 67% | 2008 | Mid-spring storms (2013) |
| McDonough County | 16 | $133K | 25% | 1982 | Mid-spring storms (2013) |
| Hardin County | 16 | $210K | 38% | 2011 | Mid-spring storms (2011) |
| Christian County | 14 | $198K | 55% | 2002 | Early winter storms (2015) |
| Jefferson County | 13 | $262K | 23% | 2018 | — |
| Wayne County | 12 | $71K | 27% | 2013 | Mid-spring storms (2011) |
| Perry County | 11 | $65K | 45% | 2008 | Mid-spring storms (2011) |
| Jasper County | 10 | $161K | 60% | 2002 | Early winter storms (2015) |
| Wabash County | 10 | $30K | 0% | 1985 | — |
| Washington County | 8 | $174K | 0% | 1990 | Mid-spring storms (2011) |
| Bond County | 6 | $282K | 20% | 2019 | — |
| Edgar County | 5 | $42K | 33% | 1993 | — |
| Hamilton County | 5 | $37K | 33% | 1979 | — |
| Effingham County | 4 | $52K | 50% | 1990 | Midwest Flooding (1993) |
| Clay County | 4 | $29K | 50% | 2015 | — |
| Shelby County | 3 | $64K | — | 1994 | — |
| Fayette County | 3 | $4K | 0% | 1979 | — |
| Johnson County | 3 | $20K | 67% | 2008 | March storm (2008) |
| Ford County | 2 | $4K | 100% | 2019 | — |
| Cumberland County | 2 | $13K | 50% | 1999 | — |
| Stark County | 1 | $0 | 0% | 2007 | — |
| Pope County | 1 | $0 | — | 1983 | — |
All 101 counties — click a column to sort.
Largest flood events in Illinois
| Flood event (FEMA name) | Claims | Paid | Year |
|---|---|---|---|
| Mid-spring storms | 3,921 | $90.4M | 2013 |
| Midwest Flooding | 2,892 | $60.5M | 1993 |
| Hurricane Ike | 2,799 | $54.7M | 2008 |
| Flooding (FEMA general label) | 1,852 | $7.8M | 1982 |
| Flooding (FEMA general label) | 1,737 | $18.6M | 1996 |
| Flooding (FEMA general label) | 1,586 | $7.5M | 1985 |
| Flooding (FEMA general label) | 1,576 | $15.4M | 1987 |
| Flooding (FEMA general label) | 1,026 | $7.7M | 1986 |
| Flooding (FEMA general label) | 867 | $5.3M | 1997 |
| Flooding (FEMA general label) | 811 | $3.1M | 1981 |
| Flooding (FEMA general label) | 644 | $4.3M | 1995 |
| Mid-spring storms | 330 | $5.9M | 2011 |
Flood claims outside the high-risk map
High-risk A zones: 35,606 (67%)Coastal high-risk V zones: 18 (0%)Moderate / low-risk zones (B, C, X): 11,057 (21%)Zone not recorded: 6,209 (12%)
Counties (with at least 100 claims) where the largest share of claims came from moderate- or low-risk zones:
| County | Claims in B / C / X zones | Share of all claims |
|---|---|---|
| McLean County | 69 | 52% |
| St. Clair County | 710 | 51% |
| Mason County | 173 | 47% |
| Kendall County | 74 | 45% |
| Massac County | 37 | 37% |
| Madison County | 287 | 35% |
| Macon County | 58 | 34% |
| DuPage County | 1,117 | 33% |
| Tazewell County | 85 | 33% |
| Sangamon County | 76 | 32% |
All 101 Illinois counties
Adams County (374)Alexander County (444)Bond County (6)Boone County (46)Brown County (32)Bureau County (73)Calhoun County (1,690)Carroll County (57)Cass County (167)Champaign County (235)Christian County (14)Clark County (18)Clay County (4)Clinton County (29)Coles County (62)Cook County (15,260)Crawford County (26)Cumberland County (2)De Witt County (59)DeKalb County (404)Douglas County (209)DuPage County (3,607)Edgar County (5)Effingham County (4)Fayette County (3)Ford County (2)Franklin County (60)Fulton County (369)Gallatin County (47)Greene County (77)Grundy County (333)Hamilton County (5)Hancock County (288)Hardin County (16)Henderson County (412)Henry County (238)Iroquois County (840)Jackson County (118)Jasper County (10)Jefferson County (13)Jersey County (1,869)Jo Daviess County (343)Johnson County (3)Kane County (929)Kankakee County (695)Kendall County (175)Knox County (40)Lake County (2,456)LaSalle County (680)Lawrence County (23)Lee County (142)Livingston County (282)Logan County (58)Macon County (208)Macoupin County (47)Madison County (1,087)Marion County (29)Marshall County (81)Mason County (452)Massac County (110)McDonough County (16)McHenry County (987)McLean County (188)Menard County (35)Mercer County (61)Monroe County (689)Montgomery County (22)Morgan County (242)Moultrie County (20)Ogle County (308)Peoria County (2,547)Perry County (11)Piatt County (19)Pike County (335)Pope County (1)Pulaski County (32)Putnam County (66)Randolph County (182)Richland County (25)Rock Island County (2,132)Saline County (28)Sangamon County (293)Schuyler County (93)Scott County (29)Shelby County (3)St. Clair County (1,469)Stark County (1)Stephenson County (193)Tazewell County (345)Union County (109)Vermilion County (103)Wabash County (10)Warren County (26)Washington County (8)Wayne County (12)White County (88)Whiteside County (287)Will County (2,295)Williamson County (239)Winnebago County (1,729)Woodford County (518)
Source: FEMA OpenFEMA NFIP Redacted Claims, U.S. government work. 1,727 Illinois claims have no county code and appear only in the statewide totals. Counties with no NFIP claim on file do not have a page. Reference only — not for insurance, legal or real-estate decisions.