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 321 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	321	77	244
2	Oklahoma County	212	29	183
3	Le Flore County	184	90	94
4	Ottawa County	169	122	47
5	Cleveland County	137	20	117
6	Cherokee County	130	59	71
7	Okmulgee County	126	44	82
8	McCurtain County	119	11	107
9	Comanche County	100	13	87
10	Muskogee County	99	23	76
11	Pittsburg County	94	13	81
12	Adair County	91	48	43
13	Kay County	89	14	75
14	Rogers County	87	9	78
15	Osage County	84	15	69
16	Sequoyah County	82	10	72
17	Wagoner County	76	8	68
18	Creek County	76	29	47
19	Stephens County	72	11	61
20	Mayes County	65	9	56
21	Nowata County	62	19	43
22	Murray County	58	6	52
23	Pushmataha County	57	17	40
24	Caddo County	57	11	46
25	Canadian County	57	8	49
26	Johnston County	56	7	49
27	McIntosh County	54	1	53
28	Pontotoc County	52	6	46
29	Washington County	52	17	35
30	Pottawatomie County	51	16	35
31	Garfield County	49	9	40
32	Latimer County	49	4	45
33	Okfuskee County	47	10	37
34	Craig County	46	5	41
35	Kiowa County	45	8	37
36	Garvin County	45	9	36
37	Grant County	45	13	32
38	Pawnee County	45	10	35
39	Haskell County	44	5	39
40	Delaware County	43	9	34
41	Grady County	41	3	38
42	Carter County	41	4	37
43	Payne County	36	10	26
44	Kingfisher County	35	9	26
45	Lincoln County	34	9	25
46	McClain County	33	3	30
47	Atoka County	33	7	26
48	Bryan County	33	1	32
49	Jefferson County	32	9	23
50	Tillman County	32	9	23
51	Choctaw County	31	6	25
52	Jackson County	31	5	26
53	Alfalfa County	29	3	26
54	Beaver County	29	1	28
55	Seminole County	27	6	21
56	Woodward County	27	13	14
57	Major County	25	9	16
58	Logan County	25	5	20
59	Beckham County	23	6	17
60	Custer County	22	3	19
61	Woods County	21	9	12
62	Coal County	21	3	18
63	Cotton County	19	5	14
64	Texas County	19	4	15
65	Noble County	19	2	17
66	Washita County	17	2	15
67	Blaine County	16	8	8
68	Cimarron County	16	5	11
69	Greer County	16	3	13
70	Ellis County	15	1	14
71	Marshall County	15	1	14
72	Hughes County	10	1	9
73	Dewey County	10	2	8
74	Love County	10	1	9
75	Roger Mills County	10	2	8
76	Harper County	9	5	4
77	Harmon County	5	1	4

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

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Most Flood-Prone Counties in Oklahoma

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