Knox, TN
Knox County in Tennessee has 3 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 #409 of 3,277 U.S. counties, with 19 NFIP flood insurance claims totaling $301,352 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Knox County
The 3 most recent federally declared disasters affecting Knox County, TN (1973–2019). Total declarations on record: 3.
| 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 |
| Mar 21, 1973 | Flood | Heavy Rains & Flooding | DR-366 |
Score Breakdown
The composite score of 17 is calculated from four weighted factors. See our methodology for details.
Other Counties in Tennessee
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Sumner | A | 17 | 24 | 3 |
| Carter | A | 18 | 19 | 5 |
| Williamson | A | 16 | 43 | 2 |
| Wilson | A | 16 | 23 | 1 |
| Rutherford | A | 15 | 10 | 3 |
| Dickson | A | 14 | 6 | 4 |
More Counties in Tennessee
Frequently Asked Questions
How many FEMA disaster declarations does Knox County, TN have?
Knox County, TN has 3 federal disaster declarations on FEMA record (1973–2019). The 3 most recent are: Severe Storms, Flooding, Landslides, and Mudslides (declared Apr 17, 2019, DR-4427); Hurricane Katrina Evacuation (declared Sep 5, 2005, DR-3217); Heavy Rains & Flooding (declared Mar 21, 1973, DR-366). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Knox County, TN?
Knox County is graded A (composite score 17/100, low risk). It ranks #409 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 Knox County?
19 NFIP flood insurance claims have been filed in Knox County, TN, totaling $301,352 in payouts. The average claim is $15,861. Source: FEMA FimaNfipClaims v2 dataset.
Has Knox County, TN had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Knox County was Severe Storms, Flooding, Landslides, and Mudslides on Apr 17, 2019 (DR-4427). The county has 3 declared disasters in the OpenFEMA record covering 1973–2019.
The this entity record above pulls directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. What follows is the per-entity context — how this entity sits in the broader U.S. flood risk, NFIP claims, and disaster declarations distribution and which underlying factors drive the headline numbers.
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.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. ZIPs, counties, and states. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: FEMA OpenFEMA datasets, 2026.