Most Flood-Prone Counties in Oklahoma

Based on NOAA Storm Events Database records from 1996 to 2025, these are the Oklahoma counties with the most recorded flood events. Tulsa County tops the list with 299 events. The data includes river floods, flash floods, coastal flooding, and hurricane-related flooding.

Rank	County	Total Events	River Floods	Flash Floods
1	Tulsa County	299	55	244
2	Oklahoma County	209	26	183
3	Le Flore County	157	63	94
4	Cleveland County	137	20	117
5	Ottawa County	130	83	47
6	McCurtain County	118	11	107
7	Cherokee County	115	44	71
8	Okmulgee County	108	26	82
9	Comanche County	100	13	87
10	Pittsburg County	94	13	81
11	Muskogee County	93	17	76
12	Rogers County	82	4	78
13	Sequoyah County	82	10	72
14	Adair County	79	36	43
15	Osage County	79	10	69
16	Kay County	78	3	75
17	Wagoner County	72	4	68
18	Mayes County	65	9	56
19	Stephens County	65	4	61
20	Nowata County	61	18	43
21	Creek County	60	13	47
22	Murray County	56	4	52
23	Pushmataha County	56	16	40
24	Johnston County	55	6	49
25	McIntosh County	54	1	53
26	Canadian County	53	4	49
27	Caddo County	52	6	46
28	Pontotoc County	51	5	46
29	Latimer County	49	4	45
30	Garfield County	47	7	40
31	Washington County	46	11	35
32	Pottawatomie County	45	10	35
33	Garvin County	44	8	36
34	Haskell County	44	5	39
35	Okfuskee County	44	7	37
36	Kiowa County	42	5	37
37	Craig County	41	0	41
38	Grady County	40	2	38
39	Delaware County	40	6	34
40	Pawnee County	40	5	35
41	Carter County	39	2	37
42	Grant County	36	4	32
43	Bryan County	33	1	32
44	McClain County	32	2	30
45	Payne County	32	6	26
46	Lincoln County	31	6	25
47	Choctaw County	31	6	25
48	Tillman County	31	8	23
49	Atoka County	30	4	26
50	Beaver County	29	1	28
51	Jackson County	29	3	26
52	Kingfisher County	29	3	26
53	Alfalfa County	27	1	26
54	Jefferson County	25	2	23
55	Seminole County	23	2	21
56	Beckham County	22	5	17
57	Logan County	22	2	20
58	Custer County	20	1	19
59	Major County	19	3	16
60	Texas County	19	4	15
61	Coal County	19	1	18
62	Noble County	18	1	17
63	Woodward County	18	4	14
64	Washita County	17	2	15
65	Cotton County	16	2	14
66	Cimarron County	16	5	11
67	Marshall County	15	1	14
68	Ellis County	14	0	14
69	Greer County	14	1	13
70	Woods County	13	1	12
71	Blaine County	10	2	8
72	Love County	10	1	9
73	Hughes County	9	0	9
74	Roger Mills County	9	1	8
75	Dewey County	8	0	8
76	Harper County	5	1	4
77	Harmon County	4	0	4

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

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Most Flood-Prone Counties in Oklahoma

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