Most Flood-Prone Counties in Texas

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Most Flood-Prone Counties in Texas

Based on NOAA Storm Events Database records from 1996 to 2025, these are the Texas counties with the most recorded flood events. Bexar County tops the list with 409 events. The data includes river floods, flash floods, coastal flooding, and hurricane-related flooding.

Rank	County	Total Events	River Floods	Flash Floods
1	Bexar County	409	13	396
2	Dallas County	304	20	284
3	Tarrant County	302	26	276
4	Nueces County	270	33	236
5	Travis County	255	12	243
6	Harris County	224	8	216
7	Midland County	200	3	197
8	Bell County	180	21	159
9	Smith County	164	13	151
10	Ector County	159	2	157
11	Williamson County	157	4	153
12	Tom Green County	154	16	138
13	Denton County	153	27	126
14	El Paso County	150	5	145
15	Uvalde County	146	8	138
16	Val Verde County	140	11	129
17	Comal County	135	0	135
18	Cameron County	135	42	92
19	Hays County	129	3	126
20	Bandera County	122	2	120
21	Randall County	122	21	101
22	Pecos County	119	0	119
23	Angelina County	118	8	110
24	Grayson County	117	20	97
25	Johnson County	117	12	105
26	McLennan County	115	10	105
27	San Patricio County	115	13	102
28	Webb County	114	5	109
29	Hidalgo County	113	44	69
30	Jefferson County	113	8	105
31	DeWitt County	110	5	105
32	Ellis County	109	9	100
33	Galveston County	108	1	107
34	Collin County	106	10	96
35	Lavaca County	104	0	104
36	Kerr County	102	3	99
37	Medina County	101	3	98
38	Potter County	101	23	78
39	Gregg County	100	12	88
40	Real County	99	0	99
41	Bastrop County	99	4	95
42	Limestone County	98	12	86
43	Gillespie County	97	0	97
44	Guadalupe County	97	2	95
45	Burnet County	94	3	91
46	Edwards County	94	0	94
47	Taylor County	94	16	78
48	Navarro County	93	14	79
49	Gonzales County	92	2	90
50	Hunt County	92	17	75
51	Wise County	89	15	74
52	Caldwell County	89	6	83
53	Bowie County	88	5	83
54	Howard County	88	2	86
55	Llano County	87	5	82
56	Kaufman County	86	16	70
57	Harrison County	86	3	83
58	Nacogdoches County	84	2	82
59	Fayette County	83	4	79
60	Kendall County	83	0	83
61	Karnes County	79	4	75
62	Brewster County	79	1	78
63	Lubbock County	78	29	49
64	Cherokee County	78	11	67
65	Orange County	77	13	64
66	Atascosa County	76	0	76
67	Cooke County	75	9	66
68	Blanco County	74	1	73
69	Jim Wells County	74	10	64
70	Montgomery County	74	3	71
71	Parker County	73	8	65
72	Scurry County	73	0	73
73	Victoria County	72	6	66
74	Coryell County	70	16	54
75	Milam County	70	12	58
76	Wilson County	70	0	70
77	Frio County	70	4	66
78	Fannin County	68	15	53
79	Gaines County	68	1	67
80	Brown County	68	5	63
81	Wood County	67	8	59
82	Bee County	64	5	59
83	Bosque County	64	9	55
84	Kleberg County	63	2	61
85	Aransas County	62	10	51
86	Hill County	62	8	54
87	Brazoria County	61	0	61
88	Kinney County	61	0	61
89	Palo Pinto County	61	12	49
90	Hood County	61	15	46
91	Rusk County	61	4	57
92	Walker County	61	3	58
93	Anderson County	59	13	46
94	Hopkins County	58	10	48
95	Maverick County	58	2	56
96	Henderson County	57	9	48
97	Starr County	57	8	49
98	Liberty County	56	0	56
99	Live Oak County	56	8	48
100	Fort Bend County	56	0	56
101	Red River County	54	4	50
102	Hardin County	53	6	47
103	Reeves County	53	8	45
104	Dawson County	52	0	52
105	Freestone County	52	8	44
106	Lee County	52	1	51
107	Van Zandt County	51	12	39
108	Eastland County	51	5	46
109	Mitchell County	51	3	48
110	Shelby County	51	2	49
111	Refugio County	50	5	45
112	Comanche County	49	11	38
113	Zavala County	49	0	49
114	Brazos County	48	2	46
115	Grimes County	48	0	48
116	San Jacinto County	48	0	48
117	Dimmit County	47	4	43
118	Lamar County	47	4	43
119	McCulloch County	47	1	46
120	Hockley County	46	17	29
121	Polk County	46	1	45
122	Chambers County	45	0	44
123	Andrews County	45	0	45
124	Erath County	44	8	36
125	Hamilton County	44	4	40
126	Jasper County	44	6	38
127	Kimble County	44	4	40
128	Sutton County	44	3	41
129	Montague County	43	9	34
130	Trinity County	42	1	41
131	Austin County	42	1	41
132	Menard County	41	5	36
133	Upshur County	41	0	41
134	Falls County	41	5	36
135	Washington County	41	0	41
136	Calhoun County	40	5	34
137	Young County	40	7	33
138	Duval County	39	3	36
139	Upton County	39	0	39
140	Lynn County	39	11	28
141	Robertson County	39	3	36
142	Goliad County	38	0	38
143	Lampasas County	37	3	34
144	Leon County	37	6	31
145	Zapata County	37	8	29
146	Willacy County	37	13	24
147	Coleman County	36	2	34
148	La Salle County	36	7	29
149	Wichita County	36	7	29
150	Crockett County	35	4	31
151	Haskell County	35	6	29
152	Jack County	35	3	31
153	Terrell County	35	0	35
154	Tyler County	35	5	30
155	Panola County	35	0	35
156	Hale County	34	14	20
157	Houston County	34	0	34
158	Jones County	34	7	27
159	Sabine County	34	0	34
160	Cass County	34	2	32
161	Fisher County	32	3	29
162	Callahan County	31	4	27
163	Matagorda County	31	1	30
164	Mills County	31	1	30
165	Newton County	31	6	25
166	Runnels County	31	4	27
167	Jackson County	31	0	31
168	Martin County	31	0	31
169	Madison County	30	2	28
170	Nolan County	30	4	26
171	Castro County	29	6	23
172	Colorado County	29	2	27
173	Archer County	29	9	20
174	Reagan County	29	0	29
175	Garza County	28	7	21
176	Mason County	28	3	25
177	Rockwall County	28	1	27
178	Stephens County	28	2	26
179	Titus County	28	0	28
180	Wharton County	28	0	28
181	Hutchinson County	28	5	23
182	Delta County	27	2	25
183	Jeff Davis County	27	0	27
184	McMullen County	27	5	22
185	Bailey County	26	6	20
186	Carson County	25	9	16
187	Deaf Smith County	25	6	19
188	Donley County	25	5	20
189	San Saba County	25	3	22
190	Glasscock County	25	0	25
191	Franklin County	24	3	21
192	Ochiltree County	24	7	17
193	Waller County	24	0	24
194	Schleicher County	24	1	23
195	Presidio County	23	2	21
196	San Augustine County	22	0	22
197	Borden County	22	1	21
198	Armstrong County	21	10	11
199	Clay County	21	5	16
200	Hudspeth County	21	1	20
201	Irion County	21	1	20
202	Rains County	21	4	17
203	Knox County	20	4	16
204	Lamb County	20	3	17
205	Swisher County	20	5	15
206	Winkler County	20	1	19
207	Somervell County	19	3	16
208	Terry County	19	8	11
209	Moore County	19	1	18
210	Burleson County	18	0	18
211	Crosby County	18	8	10
212	Floyd County	18	8	10
213	Wheeler County	18	3	15
214	Baylor County	17	1	16
215	Camp County	17	0	17
216	Ward County	17	1	16
217	Wilbarger County	17	3	14
218	Gray County	17	3	14
219	Brooks County	16	3	13
220	Crane County	16	0	16
221	Throckmorton County	16	3	13
222	Hall County	16	6	10
223	Coke County	15	1	14
224	Parmer County	15	4	11
225	Sterling County	15	2	13
226	Yoakum County	15	4	11
227	Briscoe County	14	3	11
228	Culberson County	14	3	11
229	Jim Hogg County	14	0	14
230	Lipscomb County	13	4	9
231	Morris County	13	0	13
232	Concho County	12	0	12
233	Shackelford County	12	3	9
234	Loving County	12	0	12
235	Childress County	11	7	4
236	Dickens County	11	0	11
237	Hansford County	11	3	8
238	Hemphill County	10	3	7
239	Cochran County	10	1	9
240	Collingsworth County	9	2	7
241	Hartley County	9	1	8
242	Kent County	9	0	9
243	Foard County	8	2	6
244	Hardeman County	8	2	6
245	Oldham County	8	2	6
246	Cottle County	6	2	4
247	Marion County	6	0	6
248	Motley County	6	2	4
249	Roberts County	6	0	6
250	Stonewall County	6	1	5
251	Dallam County	4	2	2
252	King County	3	0	3
253	Sherman County	3	2	1

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

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