Which county in Tennessee has the lowest flood risk?

Lauderdale has the lowest flood risk in Tennessee, at 20.2.

What is the flood risk in Lauderdale?

Lauderdale is ranked #1 in Tennessee for flood risk, at 20.2.

What are the top counties in Tennessee for flood risk?

Lauderdale (20.2), then Weakley (22.2), and Crockett (24.9). The full top 25 is in the table on this page.

How is this flood risk ranking calculated?

Counties in Tennessee are ranked by flood risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first. Values describe the county, not an individual property. Source vintage is shown on the page.

How does Tennessee compare to the rest of the US for flood risk?

This list is Tennessee only. See the national ranking of the lowest counties for flood risk at hearthmap.app/best/lowest-flood-risk.

Lowest Flood Risk Counties in Tennessee (2026)

Lowest counties for flood risk in Tennessee

Top 25 of 95 counties with data.

Ranked by flood risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first.

Lowest counties for flood risk in Tennessee

Rank	County	Value
01	Lauderdale20.2 County page
02	Weakley22.2 County page
03	Crockett24.9 County page
04	Henry27.5 County page
05	Carroll30.0 County page
06	Dyer35.6 County page
07	Haywood36.6 County page
08	Overton37.3 County page
09	Knox37.3 County page
10	Obion37.7 County page
11	Washington38.5 County page
12	Cumberland39.1 County page
13	Fentress39.9 County page
14	Benton40.2 County page
15	Gibson40.4 County page
16	McNairy41.9 County page
17	Madison42.2 County page
18	Sullivan44.4 County page
19	Robertson44.7 County page
20	Hardeman45.0 County page
21	Henderson45.4 County page
22	Putnam45.5 County page
23	Scott47.3 County page
24	Coffee47.4 County page
25	Greene47.6 County page

How this ranking works

This page ranks Tennessee counties by flood risk, sorted so the lowest places appear first. Click any county to see its housing, schools, crime, and demographics in detail.

For flood risk, a lower value is generally more favorable, so the top of the list is the lowest. Want to weigh flood risk against schools, taxes, commute, and more at once? Use the live map to build a custom match.

Data comes from public sources. Source attribution and the exact data vintage are shown above and on the full map of flood risk.

Frequently asked questions

Which county in Tennessee has the lowest flood risk?: Lauderdale has the lowest flood risk in Tennessee, at 20.2.
What is the flood risk in Lauderdale?: Lauderdale is ranked #1 in Tennessee for flood risk, at 20.2.
What are the top counties in Tennessee for flood risk?: Lauderdale (20.2), then Weakley (22.2), and Crockett (24.9). The full top 25 is in the table on this page.
How is this flood risk ranking calculated?: Counties in Tennessee are ranked by flood risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first. Values describe the county, not an individual property. Source vintage is shown on the page.
How does Tennessee compare to the rest of the US for flood risk?: This list is Tennessee only. See the national ranking of the lowest counties for flood risk at hearthmap.app/best/lowest-flood-risk.