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 215 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	215	21	193
2	Davidson County	170	29	141
3	Lawrence County	140	22	118
4	Wilson County	101	19	82
5	Knox County	101	33	68
6	Williamson County	97	24	73
7	Hamilton County	86	25	59
8	Madison County	84	16	67
9	Maury County	83	15	68
10	Sumner County	80	8	72
11	Rutherford County	75	25	50
12	Putnam County	75	16	59
13	Montgomery County	74	16	58
14	Sevier County	74	34	40
15	Lincoln County	68	7	59
16	Dickson County	66	8	58
17	Tipton County	60	13	46
18	Gibson County	60	8	51
19	Franklin County	58	4	52
20	Greene County	54	26	28
21	Cheatham County	52	8	44
22	Stewart County	52	12	40
23	Benton County	52	4	48
24	Wayne County	51	7	44
25	Sullivan County	50	21	29
26	Bedford County	50	14	36
27	Giles County	49	6	43
28	Obion County	48	13	33
29	Roane County	48	17	29
30	Bledsoe County	48	12	34
31	Decatur County	47	3	43
32	Cumberland County	47	15	32
33	Hickman County	46	11	35
34	Crockett County	45	9	36
35	Washington County	45	16	29
36	Blount County	44	25	19
37	McMinn County	44	16	27
38	Robertson County	43	7	36
39	Carroll County	43	5	36
40	Carter County	43	12	31
41	Humphreys County	43	8	35
42	Macon County	40	5	35
43	Marshall County	40	8	32
44	Coffee County	40	7	33
45	Fentress County	40	11	29
46	Scott County	39	14	25
47	Weakley County	39	6	31
48	Monroe County	39	18	21
49	Morgan County	39	13	25
50	Perry County	39	10	29
51	Henry County	39	6	30
52	Overton County	38	10	28
53	Dyer County	38	19	17
54	Hawkins County	38	19	19
55	Hardin County	37	8	29
56	Cannon County	36	1	35
57	Anderson County	36	13	22
58	Cocke County	35	18	17
59	Rhea County	34	13	20
60	Fayette County	33	6	26
61	Moore County	32	1	29
62	Smith County	32	7	25
63	Bradley County	32	15	16
64	Claiborne County	32	14	18
65	Haywood County	32	7	25
66	Henderson County	31	5	25
67	Houston County	31	3	28
68	White County	30	9	21
69	Marion County	30	11	18
70	Campbell County	29	10	19
71	Hardeman County	28	5	22
72	McNairy County	28	4	23
73	Sequatchie County	27	10	16
74	Hamblen County	27	12	14
75	Johnson County	27	9	17
76	Meigs County	26	12	12
77	Jackson County	26	3	23
78	Clay County	25	4	21
79	Loudon County	24	7	17
80	Chester County	24	5	18
81	Lauderdale County	24	8	15
82	Lewis County	24	3	21
83	Warren County	23	3	20
84	Grundy County	23	3	20
85	Unicoi County	21	7	14
86	Van Buren County	21	3	18
87	DeKalb County	21	2	19
88	Trousdale County	20	3	17
89	Union County	18	11	6
90	Jefferson County	18	8	7
91	Lake County	18	7	9
92	Grainger County	16	10	5
93	Polk County	15	10	5
94	Hancock County	12	6	6
95	Pickett County	8	2	6

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

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Most Flood-Prone Counties in Tennessee

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