Most Flood-Prone Counties in Indiana

Based on NOAA Storm Events Database records from 1996 to 2025, these are the Indiana counties with the most recorded flood events. Gibson County tops the list with 316 events. The data includes river floods, flash floods, coastal flooding, and hurricane-related flooding.

Rank	County	Total Events	River Floods	Flash Floods
1	Gibson County	316	276	40
2	Posey County	261	229	32
3	Knox County	203	160	43
4	Pike County	173	144	29
5	Warrick County	161	127	34
6	Ripley County	155	78	77
7	Vanderburgh County	145	79	66
8	Tippecanoe County	134	111	23
9	Vigo County	133	97	36
10	Jackson County	133	103	30
11	Parke County	129	107	22
12	Vermillion County	126	105	21
13	Marion County	124	67	57
14	Sullivan County	118	92	26
15	Daviess County	116	81	35
16	Greene County	114	88	26
17	Jefferson County	113	83	30
18	Fountain County	106	89	17
19	Owen County	103	75	28
20	Dubois County	99	25	74
21	Clark County	97	22	75
22	Lake County	97	51	36
23	Lawrence County	93	63	30
24	Warren County	92	78	14
25	Dearborn County	91	38	53
26	Morgan County	89	60	29
27	Spencer County	89	57	32
28	Wayne County	87	53	34
29	Perry County	82	56	26
30	Hamilton County	79	53	26
31	Franklin County	77	40	37
32	Delaware County	76	40	36
33	Madison County	68	45	23
34	Fayette County	67	42	25
35	Harrison County	65	26	39
36	Crawford County	64	16	48
37	Washington County	63	28	35
38	Porter County	61	30	25
39	Putnam County	59	34	25
40	Johnson County	59	41	18
41	Bartholomew County	58	39	19
42	Switzerland County	56	25	31
43	Boone County	53	36	17
44	Hendricks County	52	27	25
45	Shelby County	51	31	20
46	Carroll County	50	32	18
47	Floyd County	50	15	35
48	Monroe County	50	25	25
49	Union County	49	27	22
50	Martin County	48	27	21
51	Randolph County	46	20	26
52	Clay County	45	25	20
53	Montgomery County	42	22	20
54	Jennings County	41	26	15
55	Orange County	41	8	33
56	Allen County	39	12	27
57	Clinton County	39	21	18
58	Ohio County	32	15	17
59	Decatur County	32	18	14
60	Howard County	32	16	16
61	Brown County	31	10	21
62	Hancock County	31	21	10
63	Rush County	30	18	12
64	Henry County	27	14	13
65	Jasper County	26	13	13
66	Huntington County	24	7	17
67	Benton County	23	9	14
68	Cass County	23	9	14
69	Newton County	23	9	14
70	White County	23	4	19
71	Scott County	22	4	18
72	St. Joseph County	22	10	12
73	Tipton County	22	15	7
74	Miami County	21	8	13
75	Wabash County	20	10	10
76	Whitley County	20	10	10
77	Elkhart County	19	13	6
78	Jay County	18	9	9
79	Grant County	16	10	6
80	Adams County	15	7	8
81	Kosciusko County	14	6	8
82	Wells County	12	2	10
83	Fulton County	12	9	3
84	LaPorte County	11	4	7
85	Marshall County	10	5	5
86	Steuben County	9	6	3
87	DeKalb County	8	4	4
88	Blackford County	7	1	6
89	LaGrange County	4	2	2
90	Pulaski County	4	1	3
91	Starke County	3	2	1
92	Noble County	3	2	1

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

FloodZoneMap.org

Most Flood-Prone Counties in Indiana

Check Your Property's Flood Zone