Hamilton, TN
Hamilton County in Tennessee has 6 FEMA disaster declarations on record covering 1973–2019, most recently Severe Storms, Flooding, Landslides, and Mudslides on Apr 17, 2019 (DR-4427). Its flood risk grade is A (Low risk), ranking #1917 of 3,277 U.S. counties, with 31 NFIP flood insurance claims totaling $1,472,348 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Hamilton County
The 6 most recent federally declared disasters affecting Hamilton County, TN (1973–2019). Total declarations on record: 6.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Apr 17, 2019 | Flood | Severe Storms, Flooding, Landslides, and Mudslides | DR-4427 |
| Sep 5, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3217 |
| Apr 14, 1994 | Flood | Extensive Rainfall and Flash Flooding | DR-1022 |
| Feb 27, 1990 | Flood | Severe Storms & Flooding | DR-858 |
| Aug 24, 1982 | Flood | Severe Storms and Flooding | DR-666 |
| Mar 21, 1973 | Flood | Heavy Rains & Flooding | DR-366 |
Score Breakdown
The composite score of 10 is calculated from four weighted factors. See our methodology for details.
Other Counties in Tennessee
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Houston | A | 10 | 1 | 4 |
| Humphreys | A | 10 | 24 | 5 |
| Anderson | A | 10 | 4 | 5 |
| Bedford | A | 10 | 1 | 4 |
| Bledsoe | A | 10 | 0 | 5 |
| Blount | A | 10 | 4 | 4 |
More Counties in Tennessee
Frequently Asked Questions
How many FEMA disaster declarations does Hamilton County, TN have?
Hamilton County, TN has 6 federal disaster declarations on FEMA record (1973–2019). The 5 most recent are: Severe Storms, Flooding, Landslides, and Mudslides (declared Apr 17, 2019, DR-4427); Hurricane Katrina Evacuation (declared Sep 5, 2005, DR-3217); Extensive Rainfall and Flash Flooding (declared Apr 14, 1994, DR-1022); Severe Storms & Flooding (declared Feb 27, 1990, DR-858); Severe Storms and Flooding (declared Aug 24, 1982, DR-666). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Hamilton County, TN?
Hamilton County is graded A (composite score 10/100, low risk). It ranks #1917 of 3,277 U.S. counties for flood risk in our scoring model. The grade combines NFIP claims density (40%), disaster frequency (25%), claim severity (20%), and year-over-year trend (15%).
How many NFIP flood insurance claims have been filed in Hamilton County?
31 NFIP flood insurance claims have been filed in Hamilton County, TN, totaling $1,472,348 in payouts. The average claim is $47,495. Source: FEMA FimaNfipClaims v2 dataset.
Has Hamilton County, TN had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Hamilton County was Severe Storms, Flooding, Landslides, and Mudslides on Apr 17, 2019 (DR-4427). The county has 6 declared disasters in the OpenFEMA record covering 1973–2019.
For this entity, the underlying data on this page comes from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
Every number on this page links back to FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. ZIPs, counties, and states with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: FEMA OpenFEMA datasets, 2026.