71,623
Recorded events
2,983
Counties affected
709
Direct deaths
$41.6B
Property damage
71,623 flood events are recorded across 2,983 U.S. counties between 1996 and 2026.
Systematic records for this hazard begin in 1996 — earlier gaps reflect reporting practice, not calm weather.
Most affected
Top counties for flood
| Rank | County | Events | Deaths | Damage |
|---|---|---|---|---|
| #1 | Woodruff County, Arkansas | 374 | 0 | $6.6M |
| #2 | Kern County, California | 325 | 0 | $20.7M |
| #3 | Fresno County, California | 312 | 2 | $3.3M |
| #4 | Fairfax County, Virginia | 279 | 0 | $51K |
| #5 | Sonoma County, California | 255 | 5 | $208.1M |
| #6 | San Diego County, California | 238 | 5 | $8.8M |
| #7 | Gibson County, Indiana | 229 | 0 | $1.5M |
| #8 | San Juan Municipio, Puerto Rico | 227 | 0 | $252K |
| #9 | Tulare County, California | 218 | 2 | $20.0M |
| #10 | Cook County, Illinois | 209 | 2 | $7.2M |
| #11 | Frederick County, Maryland | 194 | 0 | $50K |
| #12 | Douglas County, Missouri | 190 | 1 | $10K |
| #13 | Montgomery County, Maryland | 186 | 0 | $50K |
| #14 | Prince William County, Virginia | 182 | 0 | $200K |
| #15 | Washington County, Ohio | 167 | 1 | $486K |
| #16 | Posey County, Indiana | 167 | 0 | $1.0M |
| #17 | Clay County, Iowa | 165 | 1 | $27.1M |
| #18 | Sacramento County, California | 163 | 1 | $138.6M |
| #19 | White County, Illinois | 163 | 0 | $1.6M |
| #20 | Baltimore County, Maryland | 162 | 0 | $35K |
| #21 | San Bernardino County, California | 160 | 1 | $108.0M |
| #22 | Minnehaha County, South Dakota | 157 | 0 | $8.2M |
| #23 | Alameda County, California | 152 | 1 | $17.6M |
| #24 | Alexander County, Illinois | 151 | 0 | $14.5M |
| #25 | Middlesex County, Massachusetts | 150 | 0 | $41.7M |