Every FEMA disaster declaration, organized at the county level.
Search for any U.S. county and see its disaster history, the dominant hazard pattern, how often FEMA declared aid, what public assistance was obligated, and how much individual help was approved.
Hazards people are already searching for.
These are the disaster categories that drive the most county-level searches. Each type page rolls up every declaration, the states most affected, and total FEMA aid tracked.
Severe Storm
20,316 declarations across 51 states.
$21.8B in tracked FEMA aidHurricaneHurricane
12,505 declarations across 43 states.
$89.9B in tracked FEMA aidFloodFlood
10,575 declarations across 49 states.
$11.9B in tracked FEMA aidWinterSnowstorm
7,975 declarations across 43 states.
$3.6B in tracked FEMA aidBiologicalBiological
6,275 declarations across 51 states.
$95.3B in tracked FEMA aidFireFire
3,530 declarations across 38 states.
$5.4B in tracked FEMA aidNeed flood-zone context for the same county?
Disaster history tells you what happened. FloodZoneMap.org tells you what FEMA’s flood maps say about the land right now — zone designations, insurance requirements, and map revision status for any address.
Most disaster-prone counties
The 100 U.S. counties with the most FEMA declarations, ranked nationally.
Most disaster-prone states
Every state ranked by total county-level declaration count.
Jump straight into county pages.
Every state page rolls up the counties with the heaviest disaster history so you can move from national patterns to local details quickly.
Recent declaration years.
Each year page summarizes how many declarations landed, which states were hit, and which disaster type dominated.
1213 declarations
17 states, 1,017 counties, led by Winter Storm.
$11.7M in tracked aid20251189 declarations
33 states, 688 counties, led by Severe Storm.
$1.4B in tracked aid20242183 declarations
45 states, 1,294 counties, led by Severe Storm.
$11.2B in tracked aid20231081 declarations
39 states, 799 counties, led by Severe Storm.
$3.2B in tracked aid2022928 declarations
32 states, 641 counties, led by Hurricane.
$5.1B in tracked aid20211941 declarations
42 states, 1,011 counties, led by Severe Ice Storm.
$8.4B in tracked aidFederal datasets, organized for county-level lookup.
All data is sourced from FEMA's OpenFEMA API and the National Flood Insurance Program. Nothing is estimated or modeled — these are official federal records.
Disaster declarations & assistance
FEMA's disaster declaration summaries, public assistance project records, and individual housing assistance tables — covering both homeowners and renters.
- Every county page shows a complete declaration timeline with aid amounts.
- Public assistance and individual assistance are broken out separately.
Flood insurance & IHP registrations
NFIP flood insurance claims and policy data by county, plus validated Individual and Households Program registrations aggregated by disaster.
- See how many flood insurance claims a county has filed and in which years.
- IHP registration counts show how many households sought federal aid per disaster.