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 117 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	117	60	35
2	Macomb County	71	36	25
3	Marquette County	42	19	17
4	Saginaw County	40	33	7
5	Monroe County	38	15	5
6	Washtenaw County	38	21	17
7	Oakland County	36	12	24
8	Genesee County	34	18	16
9	Lenawee County	34	24	10
10	St. Clair County	30	16	3
11	Houghton County	28	18	9
12	Berrien County	27	9	18
13	Kent County	26	13	13
14	Tuscola County	23	17	3
15	Bay County	21	8	6
16	Livingston County	21	19	2
17	Ottawa County	21	8	13
18	Allegan County	20	6	14
19	Grand Traverse County	20	5	13
20	Midland County	20	15	5
21	Isabella County	17	9	8
22	Gogebic County	17	9	6
23	Huron County	16	7	5
24	Manistee County	16	3	9
25	Dickinson County	16	3	13
26	Lapeer County	16	8	8
27	Barry County	15	4	11
28	Cass County	15	6	9
29	Mecosta County	15	8	7
30	Shiawassee County	15	12	3
31	Arenac County	14	12	2
32	Baraga County	14	9	2
33	Delta County	14	7	6
34	Gladwin County	14	10	4
35	Kalamazoo County	14	7	7
36	Mason County	14	5	9
37	Muskegon County	14	5	9
38	Newaygo County	14	7	7
39	Calhoun County	13	6	7
40	Iron County	13	9	4
41	Clinton County	13	5	8
42	Eaton County	12	4	8
43	Gratiot County	12	6	6
44	Osceola County	12	4	8
45	Ingham County	12	4	8
46	Montcalm County	11	5	6
47	Sanilac County	11	3	5
48	Wexford County	11	2	9
49	Jackson County	11	6	5
50	Menominee County	10	3	3
51	Ontonagon County	10	5	5
52	Van Buren County	10	3	7
53	Ionia County	9	6	3
54	Lake County	9	3	6
55	Oceana County	9	3	6
56	Alger County	8	3	4
57	Clare County	8	3	5
58	Keweenaw County	8	4	1
59	Leelanau County	8	1	4
60	Chippewa County	7	3	4
61	Alcona County	6	2	3
62	St. Joseph County	6	5	1
63	Hillsdale County	6	0	6
64	Mackinac County	6	0	5
65	Benzie County	5	0	1
66	Emmet County	5	1	2
67	Iosco County	5	3	1
68	Antrim County	4	1	3
69	Charlevoix County	4	0	1
70	Ogemaw County	4	2	2
71	Cheboygan County	4	3	1
72	Oscoda County	3	1	2
73	Roscommon County	3	2	1
74	Missaukee County	3	0	3
75	Otsego County	3	2	1
76	Alpena County	2	1	0
77	Kalkaska County	2	0	2
78	Montmorency County	2	0	2
79	Crawford County	1	0	1
80	Luce County	1	1	0
81	Schoolcraft County	1	1	0

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

FloodZoneMap.org

Most Flood-Prone Counties in Michigan

Check Your Property's Flood Zone