Which county in Tennessee has the lowest natural disaster risk?

Sullivan has the lowest natural disaster risk in Tennessee, at 32.3.

What is the natural disaster risk in Sullivan?

Sullivan is ranked #1 in Tennessee for natural disaster risk, at 32.3.

What are the top counties in Tennessee for natural disaster risk?

Sullivan (32.3), then Washington (35.6), and Knox (35.8). The full top 25 is in the table on this page.

How is this natural disaster risk ranking calculated?

Counties in Tennessee are ranked by natural disaster 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 natural disaster risk?

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

Lowest Natural Disaster Risk Counties in Tennessee (2026)

Lowest counties for natural disaster risk in Tennessee

Top 25 of 95 counties with data.

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

Lowest counties for natural disaster risk in Tennessee

Rank	County	Value
01	Sullivan32.3 County page
02	Washington35.6 County page
03	Knox35.8 County page
04	Unicoi38.8 County page
05	Carter40.4 County page
06	Union41.6 County page
07	Anderson44.6 County page
08	Davidson45.4 County page
09	Hamblen46.2 County page
10	Hamilton46.5 County page
11	Greene46.6 County page
12	Roane47.2 County page
13	Hawkins47.3 County page
14	Cumberland47.3 County page
15	Campbell47.6 County page
16	Blount47.7 County page
17	Grainger47.9 County page
18	Scott48.4 County page
19	Morgan48.8 County page
20	Sevier49.6 County page
21	Putnam50.0 County page
22	Bradley50.3 County page
23	Jefferson51.3 County page
24	Claiborne51.5 County page
25	Loudon52.2 County page

How this ranking works

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

For natural disaster risk, a lower value is generally more favorable, so the top of the list is the lowest. Want to weigh natural disaster 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 natural disaster risk.

Frequently asked questions

Which county in Tennessee has the lowest natural disaster risk?: Sullivan has the lowest natural disaster risk in Tennessee, at 32.3.
What is the natural disaster risk in Sullivan?: Sullivan is ranked #1 in Tennessee for natural disaster risk, at 32.3.
What are the top counties in Tennessee for natural disaster risk?: Sullivan (32.3), then Washington (35.6), and Knox (35.8). The full top 25 is in the table on this page.
How is this natural disaster risk ranking calculated?: Counties in Tennessee are ranked by natural disaster 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 natural disaster risk?: This list is Tennessee only. See the national ranking of the lowest counties for natural disaster risk at hearthmap.app/best/lowest-natural-disaster-risk.