FEMA relative scores

US City Disaster Risk Rankings

The highest FEMA composite risk scores represented in our city directory, grouped by the county-equivalent area behind each score.

How this ranking works

Cities in the same FEMA area share the same hazard figures, so each area appears once. The list shows covered cities instead of counting one county score several times. Relative scores are comparison measures, not event probabilities.

Rank by hazard

  1. #1

    Los Angeles County, CA

    Highest hazard scores: Earthquake, Wildfire, Heat Wave

    Very High

    100.0

    relative score

  2. #2

    Harris County, TX

    Highest hazard scores: Hurricane, Riverine Flooding, Tornado

    Very High

    100.0

    relative score

  3. #3

    Riverside County, CA

    Highest hazard scores: Wildfire, Earthquake, Riverine Flooding

    Very High

    99.9

    relative score

  4. #4

    San Bernardino County, CA

    Highest hazard scores: Wildfire, Earthquake, Riverine Flooding

    Very High

    99.9

    relative score

  5. #5

    Alameda County, CA

    Highest hazard scores: Earthquake, Drought, Riverine Flooding

    Very High

    99.9

    relative score

  6. #6

    Santa Clara County, CA

    Highest hazard scores: Earthquake, Heat Wave, Wildfire

    Very High

    99.8

    relative score

  7. #7

    Miami-Dade County, FL

    Highest hazard scores: Hurricane, Lightning, Riverine Flooding

    Very High

    99.8

    relative score

  8. #8

    Orange County, CA

    Highest hazard scores: Earthquake, Wildfire, Riverine Flooding

    Very High

    99.8

    relative score

  9. #9

    Broward County, FL

    Highest hazard scores: Lightning, Hurricane, Wildfire

    Very High

    99.7

    relative score

  10. #10

    Palm Beach County, FL

    Highest hazard scores: Hurricane, Lightning, Drought

    Very High

    99.7

    relative score

  11. #11

    San Diego County, CA

    Highest hazard scores: Wildfire, Earthquake, Heat Wave

    Very High

    99.7

    relative score

  12. #12

    King County, WA

    Highest hazard scores: Volcanic Activity, Earthquake, Landslide

    Very High

    99.7

    relative score

  13. #13

    Cook County, IL

    Highest hazard scores: Cold Wave, Heat Wave, Tornado

    Very High

    99.6

    relative score

  14. #14

    Contra Costa County, CA

    Highest hazard scores: Earthquake, Drought, Riverine Flooding

    Very High

    99.6

    relative score

  15. #15

    Hillsborough County, FL

    Highest hazard scores: Lightning, Hurricane, Tornado

    Very High

    99.6

    relative score

  16. #16

    Galveston County, TX

    Highest hazard scores: Riverine Flooding, Lightning, Hurricane

    Relatively High

    99.5

    relative score

  17. #17

    Lee County, FL

    Highest hazard scores: Lightning, Hurricane, Riverine Flooding

    Relatively High

    99.5

    relative score

  18. #18

    Charleston County, SC

    Highest hazard scores: Hurricane, Earthquake, Lightning

    Relatively High

    99.5

    relative score

  19. #19

    Ventura County, CA

    Highest hazard scores: Wildfire, Earthquake, Riverine Flooding

    Relatively High

    99.4

    relative score

  20. #20

    Santa Barbara County, CA

    Highest hazard scores: Drought, Wildfire, Earthquake

    Relatively High

    99.4

    relative score

  21. #21

    Brevard County, FL

    Highest hazard scores: Hurricane, Lightning, Cold Wave

    Relatively High

    99.4

    relative score

  22. #22

    San Mateo County, CA

    Highest hazard scores: Earthquake, Drought, Landslide

    Relatively High

    99.3

    relative score

  23. #23

    Clark County, NV

    Highest hazard scores: Heat Wave, Earthquake, Wildfire

    Relatively High

    99.3

    relative score

  24. #24

    Collin County, TX

    Highest hazard scores: Tornado, Hail, Heat Wave

    Relatively High

    99.3

    relative score

  25. #25

    Shelby County, TN

    Highest hazard scores: Riverine Flooding, Tornado, Heat Wave

    Relatively High

    99.2

    relative score

  26. #26

    Pinellas County, FL

    Highest hazard scores: Lightning, Hurricane, Tornado

    Relatively High

    99.2

    relative score

  27. #27

    Sonoma County, CA

    Highest hazard scores: Drought, Earthquake, Wildfire

    Relatively High

    99.2

    relative score

  28. #28

    Dallas County, TX

    Highest hazard scores: Hail, Heat Wave, Tornado

    Relatively High

    99.1

    relative score

  29. #29

    Brazoria County, TX

    Highest hazard scores: Riverine Flooding, Hurricane, Lightning

    Relatively High

    99.1

    relative score

  30. #30

    Fort Bend County, TX

    Highest hazard scores: Riverine Flooding, Tornado, Lightning

    Relatively High

    99.1

    relative score

  31. #31

    Kern County, CA

    Highest hazard scores: Wildfire, Riverine Flooding, Earthquake

    Relatively High

    99.0

    relative score

  32. #32

    Horry County, SC

    Highest hazard scores: Hurricane, Lightning, Tornado

    Relatively High

    99.0

    relative score

  33. #33

    Salt Lake County, UT

    Highest hazard scores: Earthquake, Wildfire, Winter Weather

    Relatively High

    99.0

    relative score

  34. #34

    San Francisco County, CA

    Highest hazard scores: Earthquake, Drought, Landslide

    Relatively High

    98.9

    relative score

  35. #35

    East Baton Rouge Parish, LA

    Highest hazard scores: Riverine Flooding, Tornado, Lightning

    Relatively High

    98.9

    relative score

  36. #36

    Tarrant County, TX

    Highest hazard scores: Hail, Tornado, Heat Wave

    Relatively High

    98.8

    relative score

  37. #37

    Mobile County, AL

    Highest hazard scores: Hurricane, Lightning, Riverine Flooding

    Relatively High

    98.8

    relative score

  38. #38

    Hidalgo County, TX

    Highest hazard scores: Heat Wave, Hurricane, Hail

    Relatively High

    98.8

    relative score

  39. #39

    Pierce County, WA

    Highest hazard scores: Earthquake, Volcanic Activity, Landslide

    Relatively High

    98.7

    relative score

  40. #40

    Chatham County, GA

    Highest hazard scores: Hurricane, Lightning, Wildfire

    Relatively High

    98.7

    relative score

  41. #41

    Washoe County, NV

    Highest hazard scores: Riverine Flooding, Earthquake, Wildfire

    Relatively High

    98.6

    relative score

  42. #42

    Multnomah County, OR

    Highest hazard scores: Landslide, Earthquake, Volcanic Activity

    Relatively High

    98.6

    relative score

  43. #43

    Orange County, FL

    Highest hazard scores: Lightning, Wildfire, Tornado

    Relatively High

    98.6

    relative score

  44. #44

    New Hanover County, NC

    Highest hazard scores: Hurricane, Lightning, Ice Storm

    Relatively High

    98.5

    relative score

  45. #45

    Cameron County, TX

    Highest hazard scores: Riverine Flooding, Heat Wave, Hurricane

    Relatively High

    98.5

    relative score

  46. #46

    Monterey County, CA

    Highest hazard scores: Drought, Landslide, Earthquake

    Relatively High

    98.4

    relative score

  47. #47

    St. Lucie County, FL

    Highest hazard scores: Hurricane, Cold Wave, Drought

    Relatively High

    98.3

    relative score

  48. #48

    Bexar County, TX

    Highest hazard scores: Tornado, Hail, Riverine Flooding

    Relatively High

    98.3

    relative score

  49. #49

    Denton County, TX

    Highest hazard scores: Hail, Tornado, Heat Wave

    Relatively High

    98.3

    relative score

  50. #50

    Solano County, CA

    Highest hazard scores: Drought, Earthquake, Heat Wave

    Relatively High

    98.2

    relative score

Source: FEMA National Risk Index v1.19.0, released March 2023. The ranking covers the 50 highest-scoring FEMA areas represented in this directory.

Read the methodology β†’