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. Miami-Dade County tops the list with 343 events. The data includes river floods, flash floods, coastal flooding, and hurricane-related flooding.

Rank	County	Total Events	River Floods	Flash Floods
1	Miami-Dade County	343	114	61
2	Broward County	235	79	35
3	Bay County	228	28	149
4	Palm Beach County	215	52	47
5	Duval County	208	102	54
6	Walton County	192	58	84
7	Monroe County	169	28	0
8	Leon County	157	32	98
9	Jackson County	141	29	91
10	Holmes County	131	63	49
11	Hillsborough County	118	74	11
12	Flagler County	115	39	11
13	Pinellas County	115	38	12
14	St. Johns County	111	38	16
15	Washington County	107	21	67
16	Collier County	97	29	12
17	Escambia County	90	1	75
18	Wakulla County	83	4	16
19	Franklin County	81	3	16
20	Manatee County	80	35	13
21	Taylor County	80	10	15
22	Pasco County	79	49	6
23	Gulf County	78	6	18
24	Okaloosa County	78	3	65
25	Santa Rosa County	76	1	68
26	Lee County	75	39	11
27	Dixie County	72	11	8
28	Brevard County	68	12	21
29	Nassau County	67	16	8
30	Sarasota County	66	34	10
31	Polk County	65	30	8
32	Volusia County	61	12	15
33	DeSoto County	59	32	6
34	Jefferson County	59	3	14
35	Alachua County	54	34	11
36	Calhoun County	54	11	24
37	Madison County	53	9	18
38	Citrus County	48	22	2
39	Hardee County	46	22	7
40	Marion County	46	20	17
41	Hernando County	46	22	3
42	Gadsden County	41	4	15
43	Lafayette County	40	12	5
44	Charlotte County	38	7	5
45	Liberty County	36	3	10
46	Putnam County	35	16	8
47	Clay County	33	21	5
48	Suwannee County	32	8	12
49	Glades County	31	11	4
50	Highlands County	31	11	2
51	Baker County	31	13	6
52	Levy County	30	7	1
53	Osceola County	30	8	13
54	Bradford County	28	14	2
55	Indian River County	27	10	6
56	Lake County	27	6	5
57	Martin County	27	8	8
58	Columbia County	26	13	9
59	St. Lucie County	26	10	5
60	Orange County	25	9	6
61	Seminole County	25	8	7
62	Hendry County	24	5	3
63	Sumter County	22	5	2
64	Union County	16	4	3
65	Okeechobee County	15	5	1
66	Gilchrist County	15	3	2
67	Hamilton County	15	6	6

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

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Most Flood-Prone Counties in Florida

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