Counties with the Highest Expected Annual Loss from Natural Hazards in California
The top 25 of 58 California counties on GIS Map, ranked by FEMA estimated expected annual loss to buildings, people and agriculture.
| # | County | Expected annual loss |
|---|---|---|
| 1 | Los Angeles County | $7.60B |
| 2 | Riverside County | $2.27B |
| 3 | San Bernardino County | $2.08B |
| 4 | Santa Clara County | $1.97B |
| 5 | Orange County | $1.93B |
| 6 | Alameda County | $1.88B |
| 7 | San Diego County | $1.54B |
| 8 | Contra Costa County | $970.5M |
| 9 | San Francisco County | $853.4M |
| 10 | Ventura County | $762.2M |
| 11 | San Mateo County | $740.0M |
| 12 | Sonoma County | $604.7M |
| 13 | Fresno County | $557.3M |
| 14 | Santa Barbara County | $477.3M |
| 15 | San Joaquin County | $421.9M |
| 16 | Kern County | $417.0M |
| 17 | Monterey County | $402.4M |
| 18 | Sacramento County | $352.4M |
| 19 | Santa Cruz County | $335.4M |
| 20 | Solano County | $292.1M |
| 21 | Stanislaus County | $264.9M |
| 22 | Marin County | $259.3M |
| 23 | Tulare County | $214.1M |
| 24 | San Luis Obispo County | $213.9M |
| 25 | Merced County | $204.8M |
Source: FEMA National Risk Index (December 2025). All counties with data are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Counties with the Highest Expected Annual Loss from Natural Hazards in California”, https://gismap.land/rankings/california/highest-expected-loss-counties. Figures from FEMA National Risk Index (December 2025).
More California rankings
Richest citiesMost expensive homesMost affordable homesHighest rentMost educatedHighest poverty rateMost densely populatedLargest by populationYoungestOldest by median ageFastest-growingFastest-shrinkingFastest-growing since 2010WarmestColdestSnowiestWettestDriestHighest hazard risk countiesLowest hazard risk countiesHighest radon potentialWorst air qualityCleanest airWorst drought