Most Flood-Prone Counties in Florida

Based on NOAA Storm Events Database records from 1996 to 2025, these are the Florida counties with the most recorded flood events. Bay County tops the list with 177 events. The data includes river floods, flash floods, coastal flooding, and hurricane-related flooding.

Rank	County	Total Events	River Floods	Flash Floods
1	Bay County	177	26	149
2	Miami-Dade County	169	108	61
3	Duval County	156	102	54
4	Walton County	142	56	84
5	Leon County	127	29	98
6	Jackson County	118	27	91
7	Broward County	110	75	35
8	Holmes County	110	61	49
9	Palm Beach County	99	51	47
10	Hillsborough County	87	74	11
11	Washington County	86	19	67
12	Escambia County	78	1	75
13	Santa Rosa County	70	1	68
14	Okaloosa County	69	3	65
15	Pasco County	58	49	6
16	St. Johns County	54	37	16
17	Pinellas County	51	37	12
18	Lee County	50	39	11
19	Manatee County	50	35	13
20	Flagler County	49	38	11
21	Alachua County	45	34	11
22	Sarasota County	44	34	10
23	Collier County	40	28	12
24	Marion County	37	20	17
25	Calhoun County	34	10	24
26	Polk County	34	26	8
27	Brevard County	33	12	21
28	DeSoto County	32	26	6
29	Hernando County	27	22	3
30	Monroe County	26	25	0
31	Clay County	26	21	5
32	Madison County	26	8	18
33	Volusia County	26	11	15
34	Citrus County	24	22	2
35	Hardee County	24	17	7
36	Gulf County	24	4	18
37	Putnam County	24	16	8
38	Taylor County	24	8	15
39	Columbia County	22	13	9
40	Osceola County	21	8	13
41	Wakulla County	19	2	16
42	Franklin County	18	1	16
43	Baker County	18	12	6
44	Dixie County	18	9	8
45	Gadsden County	18	3	15
46	Suwannee County	18	6	12
47	Indian River County	16	10	6
48	Jefferson County	16	2	14
49	Martin County	16	8	8
50	Nassau County	16	8	8
51	Bradford County	15	13	2
52	Orange County	15	9	6
53	St. Lucie County	15	10	5
54	Lafayette County	14	9	5
55	Seminole County	14	7	7
56	Highlands County	13	11	2
57	Charlotte County	12	7	5
58	Hamilton County	12	6	6
59	Liberty County	10	0	10
60	Lake County	10	5	5
61	Glades County	9	5	4
62	Hendry County	8	5	3
63	Levy County	8	7	1
64	Sumter County	7	5	2
65	Okeechobee County	6	5	1
66	Union County	5	2	3
67	Gilchrist County	3	1	2

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

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Most Flood-Prone Counties in Florida

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