Most Flood-Prone Counties in Michigan

Based on NOAA Storm Events Database records from 1996 to 2025, these are the Michigan counties with the most recorded flood events. Wayne County tops the list with 59 events. The data includes river floods, flash floods, coastal flooding, and hurricane-related flooding.

Rank	County	Total Events	River Floods	Flash Floods
1	Wayne County	59	24	35
2	Macomb County	43	18	25
3	Marquette County	31	14	17
4	Oakland County	31	7	24
5	Berrien County	27	9	18
6	Washtenaw County	24	7	17
7	Houghton County	23	14	9
8	Genesee County	21	5	16
9	Kent County	19	6	13
10	Grand Traverse County	18	5	13
11	Ottawa County	17	4	13
12	Saginaw County	17	10	7
13	Allegan County	16	2	14
14	St. Clair County	16	13	3
15	Cass County	15	6	9
16	Dickinson County	15	2	13
17	Lapeer County	15	7	8
18	Midland County	14	9	5
19	Isabella County	13	5	8
20	Lenawee County	13	3	10
21	Barry County	12	1	11
22	Manistee County	12	3	9
23	Newaygo County	12	5	7
24	Gogebic County	12	6	6
25	Bay County	11	5	6
26	Delta County	11	5	6
27	Mason County	11	2	9
28	Mecosta County	11	4	7
29	Muskegon County	11	2	9
30	Wexford County	11	2	9
31	Arenac County	10	8	2
32	Eaton County	10	2	8
33	Kalamazoo County	10	3	7
34	Monroe County	10	5	5
35	Osceola County	10	2	8
36	Tuscola County	10	7	3
37	Clinton County	10	2	8
38	Ingham County	10	2	8
39	Calhoun County	9	2	7
40	Gladwin County	9	5	4
41	Iron County	9	5	4
42	Livingston County	9	7	2
43	Gratiot County	8	2	6
44	Lake County	8	2	6
45	Montcalm County	8	2	6
46	Van Buren County	8	1	7
47	Baraga County	7	5	2
48	Chippewa County	7	3	4
49	Huron County	7	2	5
50	Oceana County	7	1	6
51	Sanilac County	7	2	5
52	Shiawassee County	7	4	3
53	Ontonagon County	7	2	5
54	Alger County	6	2	4
55	Clare County	6	1	5
56	Ionia County	6	3	3
57	Hillsdale County	6	0	6
58	Jackson County	6	1	5
59	Alcona County	5	2	3
60	Leelanau County	5	1	4
61	Mackinac County	5	0	5
62	Antrim County	4	1	3
63	Keweenaw County	4	3	1
64	St. Joseph County	4	3	1
65	Menominee County	4	1	3
66	Ogemaw County	3	1	2
67	Cheboygan County	3	2	1
68	Emmet County	3	1	2
69	Missaukee County	3	0	3
70	Otsego County	3	2	1
71	Kalkaska County	2	0	2
72	Oscoda County	2	0	2
73	Roscommon County	2	1	1
74	Iosco County	2	1	1
75	Montmorency County	2	0	2
76	Benzie County	1	0	1
77	Charlevoix County	1	0	1
78	Crawford County	1	0	1
79	Luce County	1	1	0

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

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Most Flood-Prone Counties in Michigan

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