Data / Rankings / National Risk Index score (FEMA) / Counties in Illinois

Counties in Illinois by national Risk Index score (FEMA), 2025

Cook County had the highest national Risk Index score (FEMA) of 102 counties in 2025, at 100. Scott County had the lowest, at 2.8. The median was 54.8. Source: the Federal Emergency Management Agency.

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Highest100Cook County
Lowest2.8Scott County
Median54.8102 counties

Map of counties, 2025

Adams County: 64.2 indexAlexander County: 44.1 indexBond County: 36.2 indexBoone County: 57.4 indexBrown County: 4.7 indexBureau County: 62.3 indexCalhoun County: 6.1 indexCarroll County: 39 indexCass County: 38.7 indexChampaign County: 90.5 indexChristian County: 54 indexClark County: 27.3 indexClay County: 41.1 indexClinton County: 65.6 indexColes County: 70.4 indexCook County: 100 indexCrawford County: 37 indexCumberland County: 25.9 indexDeKalb County: 80.8 indexDe Witt County: 29.3 indexDouglas County: 62.1 indexDuPage County: 97.7 indexEdgar County: 34.9 indexEdwards County: 26.2 indexEffingham County: 53.8 indexFayette County: 48.8 indexFord County: 26.2 indexFranklin County: 81 indexFulton County: 59 indexGallatin County: 33.9 indexGreene County: 13 indexGrundy County: 66.5 indexHamilton County: 30.8 indexHancock County: 31.1 indexHardin County: 8.3 indexHenderson County: 17.5 indexHenry County: 57.1 indexIroquois County: 74 indexJackson County: 87.1 indexJasper County: 20.4 indexJefferson County: 77.2 indexJersey County: 18.9 indexJo Daviess County: 51.3 indexJohnson County: 51.1 indexKane County: 94.6 indexKankakee County: 88.2 indexKendall County: 80.3 indexKnox County: 57.2 indexLake County: 96 indexLaSalle County: 86.1 indexLawrence County: 49.2 indexLee County: 54.4 indexLivingston County: 71.8 indexLogan County: 58.1 indexMcDonough County: 37.5 indexMcHenry County: 90.8 indexMcLean County: 86.9 indexMacon County: 83.3 indexMacoupin County: 79.9 indexMadison County: 93.4 indexMarion County: 77.1 indexMarshall County: 27.2 indexMason County: 43 indexMassac County: 61.6 indexMenard County: 28.7 indexMercer County: 8.8 indexMonroe County: 41.9 indexMontgomery County: 65.4 indexMorgan County: 71.1 indexMoultrie County: 45 indexOgle County: 71.1 indexPeoria County: 90.7 indexPerry County: 72.1 indexPiatt County: 35 indexPike County: 30.3 indexPope County: 14.9 indexPulaski County: 49.1 indexPutnam County: 9.2 indexRandolph County: 78.6 indexRichland County: 46.7 indexRock Island County: 84.1 indexSt. Clair County: 94.9 indexSaline County: 70.1 indexSangamon County: 91.7 indexSchuyler County: 11.4 indexScott County: 2.8 indexShelby County: 51.8 indexStark County: 7.3 indexStephenson County: 73.9 indexTazewell County: 84.2 indexUnion County: 55.4 indexVermilion County: 78.8 indexWabash County: 24.8 indexWarren County: 15.5 indexWashington County: 55.2 indexWayne County: 40.7 indexWhite County: 54.3 indexWhiteside County: 65.8 indexWill County: 97.3 indexWilliamson County: 85.8 indexWinnebago County: 92.4 indexWoodford County: 39.9 index
  • Under 26
  • 26 to 40
  • 40 to 55
  • 55 to 71
  • 71 to 84
  • 84 and over
index, 2025. Source: FEMA National Risk Index, National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2025

Cook County: 100 indexCook County100DuPage County: 97.7 indexDuPage County97.7Will County: 97.3 indexWill County97.3Lake County: 96 indexLake County96St. Clair County: 94.9 indexSt. Clair County94.9Kane County: 94.6 indexKane County94.6Madison County: 93.4 indexMadison County93.4Winnebago County: 92.4 indexWinnebago County92.4Sangamon County: 91.7 indexSangamon County91.7McHenry County: 90.8 indexMcHenry County90.8Peoria County: 90.7 indexPeoria County90.7Champaign County: 90.5 indexChampaign County90.5Kankakee County: 88.2 indexKankakee County88.2Jackson County: 87.1 indexJackson County87.1McLean County: 86.9 indexMcLean County86.9LaSalle County: 86.1 indexLaSalle County86.1Williamson County: 85.8 indexWilliamson County85.8Tazewell County: 84.2 indexTazewell County84.2Rock Island County: 84.1 indexRock Island County84.1Macon County: 83.3 indexMacon County83.3Franklin County: 81 indexFranklin County81DeKalb County: 80.8 indexDeKalb County80.8Kendall County: 80.3 indexKendall County80.3Macoupin County: 79.9 indexMacoupin County79.9Vermilion County: 78.8 indexVermilion County78.8Randolph County: 78.6 indexRandolph County78.6Jefferson County: 77.2 indexJefferson County77.2Marion County: 77.1 indexMarion County77.1Iroquois County: 74 indexIroquois County74Stephenson County: 73.9 indexStephenson County73.9Perry County: 72.1 indexPerry County72.1Livingston County: 71.8 indexLivingston County71.8Morgan County: 71.1 indexMorgan County71.1Ogle County: 71.1 indexOgle County71.1Coles County: 70.4 indexColes County70.4Saline County: 70.1 indexSaline County70.1Grundy County: 66.5 indexGrundy County66.5Whiteside County: 65.8 indexWhiteside County65.8Clinton County: 65.6 indexClinton County65.6Montgomery County: 65.4 indexMontgomery County65.4Cook County: 100 indexCook County100DuPage County: 97.7 indexDuPage County97.7Will County: 97.3 indexWill County97.3Lake County: 96 indexLake County96St. Clair County: 94.9 indexSt. Clair County94.9Kane County: 94.6 indexKane County94.6Madison County: 93.4 indexMadison County93.4Winnebago County: 92.4 indexWinnebago County92.4Sangamon County: 91.7 indexSangamon County91.7McHenry County: 90.8 indexMcHenry County90.8Peoria County: 90.7 indexPeoria County90.7Champaign County: 90.5 indexChampaign County90.5Kankakee County: 88.2 indexKankakee County88.2Jackson County: 87.1 indexJackson County87.1McLean County: 86.9 indexMcLean County86.9LaSalle County: 86.1 indexLaSalle County86.1Williamson County: 85.8 indexWilliamson County85.8Tazewell County: 84.2 indexTazewell County84.2Rock Island County: 84.1 indexRock Island County84.1Macon County: 83.3 indexMacon County83.3Franklin County: 81 indexFranklin County81DeKalb County: 80.8 indexDeKalb County80.8Kendall County: 80.3 indexKendall County80.3Macoupin County: 79.9 indexMacoupin County79.9Vermilion County: 78.8 indexVermilion County78.8Randolph County: 78.6 indexRandolph County78.6Jefferson County: 77.2 indexJefferson County77.2Marion County: 77.1 indexMarion County77.1Iroquois County: 74 indexIroquois County74Stephenson County: 73.9 indexStephenson County73.9Perry County: 72.1 indexPerry County72.1Livingston County: 71.8 indexLivingston County71.8Morgan County: 71.1 indexMorgan County71.1Ogle County: 71.1 indexOgle County71.1Coles County: 70.4 indexColes County70.4Saline County: 70.1 indexSaline County70.1Grundy County: 66.5 indexGrundy County66.5Whiteside County: 65.8 indexWhiteside County65.8Clinton County: 65.6 indexClinton County65.6Montgomery County: 65.4 indexMontgomery County65.4
index. Source: FEMA National Risk Index, National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). Retrieved 2026-10-12.

Full ranking

RankCounties2025
index
1Cook County100
2DuPage County97.7
3Will County97.3
4Lake County96
5St. Clair County94.9
6Kane County94.6
7Madison County93.4
8Winnebago County92.4
9Sangamon County91.7
10McHenry County90.8
11Peoria County90.7
12Champaign County90.5
13Kankakee County88.2
14Jackson County87.1
15McLean County86.9
16LaSalle County86.1
17Williamson County85.8
18Tazewell County84.2
19Rock Island County84.1
20Macon County83.3
21Franklin County81
22DeKalb County80.8
23Kendall County80.3
24Macoupin County79.9
25Vermilion County78.8
26Randolph County78.6
27Jefferson County77.2
28Marion County77.1
29Iroquois County74
30Stephenson County73.9
31Perry County72.1
32Livingston County71.8
33Morgan County71.1
34Ogle County71.1
35Coles County70.4
36Saline County70.1
37Grundy County66.5
38Whiteside County65.8
39Clinton County65.6
40Montgomery County65.4
41Adams County64.2
42Bureau County62.3
43Douglas County62.1
44Massac County61.6
45Fulton County59
46Logan County58.1
47Boone County57.4
48Knox County57.2
49Henry County57.1
50Union County55.4
51Washington County55.2
52Lee County54.4
53White County54.3
54Christian County54
55Effingham County53.8
56Shelby County51.8
57Jo Daviess County51.3
58Johnson County51.1
59Lawrence County49.2
60Pulaski County49.1
61Fayette County48.8
62Richland County46.7
63Moultrie County45
64Alexander County44.1
65Mason County43
66Monroe County41.9
67Clay County41.1
68Wayne County40.7
69Woodford County39.9
70Carroll County39
71Cass County38.7
72McDonough County37.5
73Crawford County37
74Bond County36.2
75Piatt County35
76Edgar County34.9
77Gallatin County33.9
78Hancock County31.1
79Hamilton County30.8
80Pike County30.3
81De Witt County29.3
82Menard County28.7
83Clark County27.3
84Marshall County27.2
85Ford County26.2
86Edwards County26.2
87Cumberland County25.9
88Wabash County24.8
89Jasper County20.4
90Jersey County18.9
91Henderson County17.5
92Warren County15.5
93Pope County14.9
94Greene County13
95Schuyler County11.4
96Putnam County9.2
97Mercer County8.8
98Hardin County8.3
99Stark County7.3
100Calhoun County6.1
101Brown County4.7
102Scott County2.8

About this ranking

FEMA's composite natural hazard risk score for a US county, from 0 to 100: the county's national percentile rank among all counties for risk, which combines expected annual losses from 18 natural hazards with social vulnerability and community resilience. Higher means more risk.

The period is the year of the National Risk Index edition (the December 2025 edition is 2025), not a year of events. FEMA rebuilds the index with new data and methods in each edition, so values from different editions are not a time series. The index is meant for nationwide comparison and planning, not as a local risk assessment.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Retrieved 2026-10-12. This product uses the FEMA National Risk Index dataset API or downloadable datasets 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).

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

Federal Emergency Management Agency. (2025). National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE) (Counties in Illinois by national Risk Index score (FEMA), 2025) [Data set]. Retrieved October 12, 2026, from https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355

MLA 9

National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE), Counties in Illinois by national Risk Index score (FEMA), 2025. Federal Emergency Management Agency, 16 Dec. 2025, https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Invokely, https://invokely.ai/rankings/national-risk-index-score/illinois-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

Federal Emergency Management Agency. 2025. National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). Counties in Illinois by national Risk Index score (FEMA), 2025. Dataset. Accessed October 12, 2026. https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Also distributed by Invokely, https://invokely.ai/rankings/national-risk-index-score/illinois-counties.

Harvard

Federal Emergency Management Agency (2025) National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE), Counties in Illinois by national Risk Index score (FEMA), 2025 [Dataset]. Available at: https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355, via Invokely: https://invokely.ai/rankings/national-risk-index-score/illinois-counties (Accessed: 12 October 2026).

BibTeX
@misc{federal_counties_in_illinois_by_2025,
  author = {{Federal Emergency Management Agency}},
  title = {{National Risk Index Counties, National Risk Index Score Composite (RISK\_SCORE): Counties in Illinois by national Risk Index score (FEMA), 2025}},
  year = {2025},
  howpublished = {Data set},
  url = {https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/national-risk-index-score/illinois-counties. Publisher attribution: Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, National Risk Index Score Composite (RISK\_SCORE). https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Retrieved 2026-10-12. This product uses the FEMA National Risk Index dataset API or downloadable datasets 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).},
}
RIS
TY  - DATA
AU  - Federal Emergency Management Agency
TI  - National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE): Counties in Illinois by national Risk Index score (FEMA), 2025
PY  - 2025
DA  - 2025/12/16
PB  - Federal Emergency Management Agency
DB  - Invokely
UR  - https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355
L2  - https://invokely.ai/rankings/national-risk-index-score/illinois-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/national-risk-index-score/illinois-counties.
N1  - Publisher attribution: Federal Emergency Management Agency (FEMA), National Risk Index Dataset: National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). https://fema.maps.arcgis.com/home/item.html?id=39485e8035d446a5bff03259508ae355. Retrieved 2026-10-12. This product uses the FEMA National Risk Index dataset API or downloadable datasets 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).
ER  -
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Rank Counties in Illinois by national Risk Index score (FEMA) using official data, and cite the source.
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Questions

Which county has the highest national Risk Index score (FEMA)?

Cook County, with 100 in 2025, according to the Federal Emergency Management Agency.

Which county has the lowest national Risk Index score (FEMA)?

Scott County, with 2.8 in 2025.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Federal Emergency Management Agency, National Risk Index Counties, National Risk Index Score Composite (RISK_SCORE). Retrieved 2026-10-12.

National Risk Index score (FEMA): other rankings

Counties in Illinois: more rankings