Most Flood-Prone Counties in Virginia

Based on NOAA Storm Events Database records from 1996 to 2025, these are the Virginia counties with the most recorded flood events. Fairfax County tops the list with 517 events. The data includes river floods, flash floods, coastal flooding, and hurricane-related flooding.

Rank	County	Total Events	River Floods	Flash Floods
1	Fairfax County	517	278	238
2	Prince William County	267	182	84
3	Albemarle County	221	132	89
4	Loudoun County	181	109	72
5	Shenandoah County	178	129	49
6	Augusta County	149	92	57
7	Frederick County	146	112	34
8	Culpeper County	146	91	55
9	Fauquier County	146	92	54
10	Madison County	138	94	44
11	Rockingham County	133	75	58
12	Greene County	132	65	67
13	Orange County	127	93	34
14	Nelson County	126	61	65
15	Franklin County	121	27	94
16	Tazewell County	118	33	85
17	Halifax County	112	61	51
18	Chesterfield County	105	9	96
19	Stafford County	103	69	33
20	Warren County	103	58	45
21	Montgomery County	100	29	71
22	Campbell County	92	24	68
23	Norfolk city	92	11	81
24	Pittsylvania County	87	32	55
25	Virginia Beach city	85	16	69
26	Giles County	84	38	46
27	Roanoke County	84	28	56
28	Bedford County	76	17	59
29	Carroll County	75	13	62
30	Henry County	75	12	63
31	Pulaski County	75	28	47
32	Richmond city	74	4	70
33	Patrick County	72	11	61
34	Roanoke city	69	21	48
35	Rappahannock County	68	38	30
36	Botetourt County	66	23	43
37	Rockbridge County	66	14	52
38	Henrico County	64	7	57
39	Alexandria city	64	17	44
40	Wythe County	64	21	43
41	Page County	63	35	28
42	Richmond County	62	11	51
43	Spotsylvania County	60	31	29
44	Smyth County	59	25	34
45	Buchanan County	59	15	44
46	Dickenson County	56	21	35
47	Grayson County	51	12	39
48	Clarke County	50	30	20
49	Prince George County	49	8	41
50	Newport News city	47	7	40
51	Chesapeake city	46	10	36
52	Isle of Wight County	45	9	36
53	Mecklenburg County	45	8	37
54	Hanover County	45	9	36
55	Appomattox County	41	7	34
56	Arlington County	41	16	24
57	Wise County	41	9	32
58	Sussex County	41	4	37
59	Petersburg city	40	3	37
60	Washington County	40	13	27
61	Hampton city	40	9	31
62	Buckingham County	39	10	29
63	Bath County	38	11	27
64	Southampton County	37	6	31
65	Danville city	37	18	19
66	Portsmouth city	37	8	29
67	Alleghany County	36	13	23
68	Surry County	36	5	31
69	Amherst County	36	10	26
70	Charlotte County	35	13	22
71	Westmoreland County	35	5	30
72	Suffolk city	35	5	30
73	Scott County	33	6	27
74	King George County	32	17	14
75	York County	32	6	26
76	Brunswick County	31	3	28
77	Lancaster County	31	5	26
78	Russell County	31	11	20
79	Dinwiddie County	31	4	27
80	Lynchburg city	28	7	21
81	Highland County	28	10	18
82	Accomack County	27	4	23
83	Prince Edward County	25	4	21
84	Galax city	25	11	14
85	Floyd County	24	3	21
86	New Kent County	24	6	18
87	King William County	23	8	15
88	Salem city	23	13	10
89	Caroline County	23	8	15
90	James City County	22	5	17
91	Louisa County	22	7	15
92	Harrisonburg city	22	10	12
93	Craig County	21	8	13
94	Lee County	21	6	15
95	Lunenburg County	21	3	18
96	Bland County	21	5	16
97	Northumberland County	20	4	16
98	Martinsville city	20	3	17
99	Staunton city	20	6	14
100	Powhatan County	19	3	16
101	Colonial Heights city	19	5	14
102	Nottoway County	17	3	14
103	Fredericksburg city	17	8	9
104	Waynesboro city	17	9	8
105	Charles City County	16	5	11
106	Manassas city	16	7	9
107	Northampton County	15	5	10
108	King and Queen County	14	7	7
109	Charlottesville city	14	4	10
110	Amelia County	13	4	9
111	Mathews County	13	4	9
112	Essex County	12	6	6
113	Radford city	11	9	2
114	Emporia city	11	4	7
115	Greensville County	10	3	7
116	Middlesex County	10	7	3
117	Fairfax city	10	4	6
118	Winchester city	10	1	9
119	Gloucester County	10	5	5
120	Cumberland County	9	4	5
121	Fluvanna County	9	4	5
122	Norton city	9	4	5
123	Bristol city	9	4	5
124	Franklin city	9	4	5
125	Hopewell city	7	3	4
126	Lexington city	7	0	7
127	Falls Church city	6	0	6
128	Goochland County	5	3	2
129	Covington city	5	1	4
130	Williamsburg city	5	3	2
131	Poquoson city	5	0	5
132	Manassas Park city	3	1	2
133	Buena Vista city	2	0	2

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

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Most Flood-Prone Counties in Virginia

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