Most Flood-Prone Counties in Tennessee

Based on NOAA Storm Events Database records from 1996 to 2025, these are the Tennessee counties with the most recorded flood events. Shelby County tops the list with 211 events. The data includes river floods, flash floods, coastal flooding, and hurricane-related flooding.

Rank	County	Total Events	River Floods	Flash Floods
1	Shelby County	211	18	193
2	Davidson County	169	28	141
3	Lawrence County	138	20	118
4	Wilson County	99	17	82
5	Knox County	97	29	68
6	Williamson County	93	20	73
7	Hamilton County	81	22	59
8	Madison County	80	13	67
9	Maury County	80	12	68
10	Sumner County	79	7	72
11	Montgomery County	72	14	58
12	Rutherford County	71	21	50
13	Putnam County	71	12	59
14	Sevier County	66	26	40
15	Dickson County	66	8	58
16	Lincoln County	63	4	59
17	Gibson County	57	6	51
18	Tipton County	55	9	46
19	Franklin County	54	2	52
20	Cheatham County	51	7	44
21	Wayne County	50	6	44
22	Benton County	50	2	48
23	Stewart County	49	9	40
24	Bedford County	47	11	36
25	Sullivan County	46	17	29
26	Giles County	46	3	43
27	Hickman County	45	10	35
28	Obion County	44	11	33
29	Cumberland County	44	12	32
30	Greene County	44	16	28
31	Crockett County	43	7	36
32	Decatur County	43	0	43
33	Robertson County	43	7	36
34	Bledsoe County	43	9	34
35	Roane County	42	13	29
36	Washington County	41	12	29
37	Humphreys County	41	6	35
38	Coffee County	40	7	33
39	McMinn County	40	13	27
40	Macon County	39	4	35
41	Carroll County	39	3	36
42	Marshall County	38	6	32
43	Fentress County	38	9	29
44	Perry County	37	8	29
45	Blount County	36	17	19
46	Overton County	35	7	28
47	Scott County	35	10	25
48	Weakley County	35	4	31
49	Cannon County	35	0	35
50	Carter County	35	4	31
51	Morgan County	34	9	25
52	Hawkins County	34	15	19
53	Henry County	34	4	30
54	Hardin County	33	4	29
55	Smith County	31	6	25
56	Monroe County	31	10	21
57	Anderson County	31	9	22
58	Dyer County	31	14	17
59	Fayette County	31	5	26
60	Moore County	30	1	29
61	Rhea County	30	10	20
62	Houston County	30	2	28
63	Bradley County	29	13	16
64	Haywood County	29	4	25
65	Henderson County	29	4	25
66	White County	28	7	21
67	Claiborne County	28	10	18
68	Cocke County	27	10	17
69	Marion County	26	8	18
70	Jackson County	25	2	23
71	Campbell County	25	6	19
72	Hardeman County	25	3	22
73	McNairy County	25	2	23
74	Clay County	24	3	21
75	Sequatchie County	23	7	16
76	Lewis County	23	2	21
77	Grundy County	22	2	20
78	Hamblen County	22	8	14
79	Johnson County	22	5	17
80	Meigs County	21	9	12
81	Warren County	21	1	20
82	Chester County	21	3	18
83	Trousdale County	20	3	17
84	Van Buren County	20	2	18
85	Loudon County	20	3	17
86	DeKalb County	20	1	19
87	Lauderdale County	19	4	15
88	Unicoi County	17	3	14
89	Union County	13	7	6
90	Lake County	13	4	9
91	Polk County	11	6	5
92	Grainger County	11	6	5
93	Jefferson County	11	4	7
94	Hancock County	8	2	6
95	Pickett County	7	1	6

Source: NOAA Storm Events Database (1996–2025).

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Most Flood-Prone Counties in Tennessee

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