Home / Flood Insurance Claims / Illinois / Williamson County
Williamson County Flood Insurance Claims
National Flood Insurance Program, 1978–2026 · 38th highest paid in Illinois
Claims
239
Total paid
$2.1M
Average / claim
$9K
Building / contents
$1.4M / $672K
Paid by decade
1970s$5K · 3 claims
1980s$356K · 80 claims
1990s$864K · 74 claims
2000s$428K · 45 claims
2010s$360K · 29 claims
2020s$63K · 8 claims
Worst years by dollars paid
| 1996 | $468K | 38 claims |
| 2008 | $352K | 33 claims |
| 2017 | $327K | 20 claims |
| 1982 | $137K | 34 claims |
| 1990 | $136K | 10 claims |
Full disaster history for Williamson County →
Most-paid counties in Illinois
Source: FEMA OpenFEMA, NFIP Redacted Claims v3 (OpenFEMA NfipClaims v3, retrieved 2026-09) — dollars actually paid on closed claims, summed from individual claim transactions. This is a record of the past. It is not a flood-risk forecast, an insurance rating, or a judgment about any specific property. For current risk see FEMA's Flood Map Service Center and National Risk Index.