Illinois Natural Disaster Risk by County

FEMA National Risk Index rankings for all 102 counties

Counties
102
All ranked by NRI score
State Avg. Score
54.5
Medium risk
Total State EAL
$6.41B
Expected annual losses
Highest Risk
Cook
Score 100.0 · Very High

Illinois spans 102 counties with an average FEMA National Risk Index score of 54.5 (moderate risk) and roughly $6.41B in combined expected annual loss statewide. 6 counties are rated High or Very High risk.

The highest-risk county is Cook County (score 100.0, very high), while Scott County (score 2.8) carries the lowest. Use the table below to compare every county by score, top hazard, and expected annual loss.

County Rankings

#CountyRisk ScoreRisk RatingTop HazardAnn. Loss
1Cook County
100.0
Very High Cold Wave$2.42B
2DuPage County
97.6
High Cold Wave$366M
3Will County
97.3
High Cold Wave$348M
4Lake County
96.0
High Cold Wave$266M
5St. Clair County
94.9
High Heat Wave$175M
6Kane County
94.6
High Cold Wave$198M
7Madison County
93.4
Medium Heat Wave$155M
8Winnebago County
92.4
Medium Cold Wave$122M
9Sangamon County
91.7
Medium Tornado$115M
10McHenry County
90.8
Medium Cold Wave$142M
11Peoria County
90.7
Medium Cold Wave$85M
12Champaign County
90.5
Medium Cold Wave$93M
13Kankakee County
88.2
Medium Cold Wave$68M
14Jackson County
87.1
Medium Strong Wind$50M
15McLean County
86.9
Medium Cold Wave$81M
16LaSalle County
86.1
Medium Cold Wave$61M
17Williamson County
85.8
Medium Strong Wind$53M
18Tazewell County
84.2
Medium Cold Wave$60M
19Rock Island County
84.1
Medium Cold Wave$45M
20Macon County
83.3
Medium Cold Wave$47M
21Franklin County
80.9
Low Earthquake$32M
22DeKalb County
80.8
Low Cold Wave$47M
23Kendall County
80.2
Low Cold Wave$75M
24Macoupin County
79.9
Low Earthquake$39M
25Vermilion County
78.8
Low Cold Wave$32M
26Randolph County
78.6
Low Earthquake$35M
27Jefferson County
77.2
Low Earthquake$34M
28Marion County
77.1
Low Earthquake$31M
29Iroquois County
74.0
Low Cold Wave$34M
30Stephenson County
73.9
Low Hail$29M
31Perry County
72.1
Low Earthquake$26M
32Livingston County
71.8
Low Cold Wave$33M
33Morgan County
71.1
Low Cold Wave$28M
34Ogle County
71.1
Low Hail$36M
35Coles County
70.4
Low Drought$31M
36Saline County
70.1
Low Earthquake$20M
37Grundy County
66.5
Low Cold Wave$50M
38Whiteside County
65.8
Low Drought$25M
39Clinton County
65.6
Low Earthquake$28M
40Montgomery County
65.4
Low Earthquake$22M
41Adams County
64.2
Low Heat Wave$26M
42Bureau County
62.3
Low Drought$22M
43Douglas County
62.1
Low Hail$20M
44Massac County
61.6
Low Earthquake$19M
45Fulton County
59.0
Low Hail$21M
46Logan County
58.1
Low Drought$20M
47Boone County
57.3
Low Hail$21M
48Knox County
57.2
Low Strong Wind$18M
49Henry County
57.1
Low Strong Wind$24M
50Union County
55.4
Low Earthquake$15M
51Washington County
55.2
Low Earthquake$18M
52Lee County
54.4
Low Strong Wind$21M
53White County
54.3
Low Earthquake$15M
54Christian County
54.0
Low Drought$22M
55Effingham County
53.8
Low Earthquake$20M
56Shelby County
51.7
Low Drought$20M
57Jo Daviess County
51.3
Low Landslide$16M
58Johnson County
51.1
Low Earthquake$12M
59Lawrence County
49.2
Low Drought$14M
60Pulaski County
49.0
Low Earthquake$11M
61Fayette County
48.8
Low Earthquake$15M
62Richland County
46.7
Low Earthquake$12M
63Moultrie County
45.0
Low Drought$10M
64Alexander County
44.1
Low Earthquake$10M
65Mason County
43.0
Low Drought$12M
66Monroe County
41.9
Very Low Heat Wave$23M
67Clay County
41.1
Very Low Drought$12M
68Wayne County
40.7
Very Low Earthquake$13M
69Woodford County
39.9
Very Low Cold Wave$22M
70Carroll County
39.0
Very Low Drought$11M
71Cass County
38.6
Very Low Cold Wave$12M
72McDonough County
37.5
Very Low Drought$10M
73Crawford County
37.0
Very Low Earthquake$14M
74Bond County
36.2
Very Low Earthquake$11M
75Piatt County
35.0
Very Low Drought$13M
76Edgar County
34.9
Very Low Drought$12M
77Gallatin County
33.9
Very Low Earthquake$7M
78Hancock County
31.1
Very Low Drought$8M
79Hamilton County
30.8
Very Low Earthquake$12M
80Pike County
30.3
Very Low Landslide$10M
81De Witt County
29.3
Very Low Drought$10M
82Menard County
28.7
Very Low Drought$8M
83Clark County
27.3
Very Low Earthquake$9M
84Marshall County
27.2
Very Low Drought$9M
85Ford County
26.2
Very Low Cold Wave$9M
86Edwards County
26.1
Very Low Drought$6M
87Cumberland County
25.9
Very Low Drought$7M
88Wabash County
24.8
Very Low Earthquake$8M
89Jasper County
20.4
Very Low Drought$10M
90Jersey County
18.9
Very Low Landslide$11M
91Henderson County
17.5
Very Low Drought$5M
92Warren County
15.5
Very Low Drought$7M
93Pope County
14.9
Very Low Earthquake$5M
94Greene County
13.0
Very Low Landslide$6M
95Schuyler County
11.4
Very Low Landslide$4M
96Putnam County
9.2
Very Low Drought$5M
97Mercer County
8.8
Very Low Drought$7M
98Hardin County
8.3
Very Low Earthquake$4M
99Stark County
7.3
Very Low Drought$5M
100Calhoun County
6.1
Very Low Landslide$4M
101Brown County
4.7
Very Low Landslide$3M
102Scott County
2.8
Very Low Drought$4M

All 102 Illinois counties, ranked by FEMA National Risk Index score.

Frequently Asked Questions

Which Illinois county has the highest natural disaster risk?

Cook County has the highest FEMA National Risk Index score in Illinois at 100.0 (Very High), driven largely by cold wave.

What is the average natural disaster risk in Illinois?

Illinois counties average a National Risk Index score of 54.5 across 102 counties, with 6 rated High or Very High risk.

How much are expected annual losses across Illinois?

FEMA estimates roughly $6.41B in combined expected annual loss from natural hazards across all Illinois counties.

Illinois Risk by Hazard

Cold Wave Drought Earthquake Hail Heat Wave Hurricane Ice Storm Riverine Flood Landslide Lightning Strong Wind Tornado Wildfire Winter Weather