SkyGround

County-level natural hazard risk data for researchers

County-level natural hazard risk data

Every US county and county-equivalent has a risk profile across wildfire, flooding, earthquakes, heat waves, and tornadoes, drawn directly from FEMA's National Risk Index. All 3232 counties are covered, each with its own page showing FIPS code, composite score, and per-hazard ratings — see the methodology page for definitions, data dictionary references, and citation guidance.

Search by county or state name to jump straight to a record, or browse the most populous counties below.

Most populous counties

  1. Los Angeles County, CA Very High
  2. Cook County, IL Very High
  3. Harris County, TX Very High
  4. Maricopa County, AZ Very High
  5. San Diego County, CA Very High
  6. Orange County, CA Very High
  7. Kings County, NY Relatively High
  8. Miami-Dade County, FL Very High
  9. Dallas County, TX Very High
  10. Riverside County, CA Very High
  11. Queens County, NY Relatively High
  12. King County, WA Very High
  13. Clark County, NV Very High
  14. San Bernardino County, CA Very High
  15. Tarrant County, TX Relatively High
  16. Bexar County, TX Relatively High
  17. Broward County, FL Relatively High
  18. Santa Clara County, CA Very High
  19. Wayne County, MI Relatively High
  20. New York County, NY Relatively High
  21. Alameda County, CA Very High
  22. Middlesex County, MA Relatively High
  23. Philadelphia County, PA Very High
  24. Sacramento County, CA Relatively High
  25. Suffolk County, NY Relatively High
  26. Palm Beach County, FL Relatively High
  27. Bronx County, NY Relatively High
  28. Hillsborough County, FL Relatively High
  29. Orange County, FL Relatively High
  30. Nassau County, NY Relatively High
  31. Franklin County, OH Relatively High
  32. Travis County, TX Relatively High
  33. Hennepin County, MN Relatively High
  34. Oakland County, MI Relatively High
  35. Cuyahoga County, OH Relatively High
  36. Allegheny County, PA Relatively High
  37. Salt Lake County, UT Relatively High
  38. Contra Costa County, CA Very High
  39. Fairfax County, VA Relatively High
  40. Wake County, NC Relatively High
  41. Mecklenburg County, NC Relatively High
  42. Fulton County, GA Relatively High
  43. Collin County, TX Relatively High
  44. Montgomery County, MD Relatively Moderate
  45. Pima County, AZ Relatively High
  46. Honolulu County, HI Relatively High
  47. Fresno County, CA Relatively High
  48. St. Louis County, MO Relatively High
  49. Westchester County, NY Relatively High
  50. Duval County, FL Relatively High
  51. Marion County, IN Relatively High
  52. Capitol Planning Region, CT Relatively High
  53. Prince George's County, MD Relatively Moderate
  54. Pinellas County, FL Relatively High
  55. Gwinnett County, GA Relatively High
  56. Bergen County, NJ Relatively High
  57. Erie County, NY Relatively High
  58. Milwaukee County, WI Relatively High
  59. DuPage County, IL Relatively High
  60. Shelby County, TN Relatively High
  61. Pierce County, WA Relatively High
  62. Kern County, CA Relatively High
  63. Denton County, TX Relatively High
  64. Macomb County, MI Relatively High
  65. San Francisco County, CA Very High
  66. Hidalgo County, TX Relatively High
  67. El Paso County, TX Relatively High
  68. Essex County, NJ Relatively High
  69. Middlesex County, NJ Relatively High
  70. Worcester County, MA Relatively Moderate
  71. Montgomery County, PA Relatively High
  72. Baltimore County, MD Relatively Moderate
  73. Ventura County, CA Relatively High
  74. Hamilton County, OH Relatively High
  75. Snohomish County, WA Relatively High
  76. Fort Bend County, TX Relatively High
  77. Multnomah County, OR Relatively High
  78. Essex County, MA Relatively High
  79. Suffolk County, MA Relatively Moderate
  80. Oklahoma County, OK Relatively High
  81. Jefferson County, KY Relatively High
  82. San Joaquin County, CA Relatively High
  83. Cobb County, GA Relatively High
  84. San Mateo County, CA Relatively High
  85. DeKalb County, GA Relatively Moderate
  86. Lee County, FL Relatively High
  87. Monroe County, NY Relatively Moderate
  88. El Paso County, CO Relatively Moderate
  89. Norfolk County, MA Relatively Moderate
  90. Hudson County, NJ Relatively High
  91. Polk County, FL Relatively High
  92. Jackson County, MO Relatively High
  93. Davidson County, TN Relatively High
  94. Denver County, CO Relatively High
  95. Lake County, IL Relatively High
  96. Will County, IL Relatively High
  97. District of Columbia, DC Relatively High
  98. Bernalillo County, NM Relatively High
  99. Jefferson County, AL Relatively High
  100. Tulsa County, OK Relatively High