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 438 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	438	41	396
2	Nueces County	322	37	236
3	Dallas County	306	22	284
4	Tarrant County	303	27	276
5	Travis County	264	21	243
6	Harris County	247	10	216
7	Midland County	200	3	197
8	Bell County	184	25	159
9	Smith County	168	16	151
10	Uvalde County	166	28	138
11	Ector County	160	3	157
12	Williamson County	160	7	153
13	Tom Green County	159	20	138
14	Denton County	155	28	126
15	Cameron County	153	49	92
16	Galveston County	153	1	107
17	Val Verde County	151	21	129
18	El Paso County	150	5	145
19	Comal County	144	8	135
20	Hays County	139	12	126
21	San Patricio County	136	15	102
22	DeWitt County	126	19	105
23	Bandera County	124	4	120
24	Angelina County	123	8	110
25	Randall County	122	21	101
26	Pecos County	121	2	119
27	Hidalgo County	119	46	69
28	Jefferson County	119	8	105
29	Grayson County	118	20	97
30	Webb County	118	7	109
31	Johnson County	117	12	105
32	Lavaca County	116	9	104
33	McLennan County	115	10	105
34	Kerr County	110	11	99
35	Ellis County	109	9	100
36	Collin County	107	10	96
37	Gonzales County	106	15	90
38	Gregg County	104	15	88
39	Guadalupe County	103	7	95
40	Medina County	103	5	98
41	Bastrop County	103	7	95
42	Potter County	101	23	78
43	Caldwell County	101	17	83
44	Gillespie County	100	3	97
45	Kleberg County	100	2	61
46	Limestone County	100	13	86
47	Real County	100	1	99
48	Brazoria County	95	2	61
49	Burnet County	95	4	91
50	Llano County	95	13	82
51	Navarro County	95	15	79
52	Taylor County	95	16	78
53	Edwards County	94	0	94
54	Hunt County	94	17	75
55	Karnes County	94	17	75
56	Harrison County	92	7	83
57	Fayette County	90	9	79
58	Wise County	90	16	74
59	Bowie County	90	6	83
60	Howard County	88	2	86
61	Nacogdoches County	88	2	82
62	Aransas County	87	10	51
63	Kaufman County	86	16	70
64	Kendall County	85	2	83
65	Montgomery County	80	5	71
66	Cherokee County	80	11	67
67	Blanco County	79	6	73
68	Jim Wells County	79	10	64
69	Brewster County	79	1	78
70	Frio County	79	12	66
71	Lubbock County	78	29	49
72	Atascosa County	77	0	76
73	Orange County	77	13	64
74	Cooke County	76	10	66
75	Victoria County	76	7	66
76	Parker County	75	10	65
77	Wilson County	74	2	70
78	Scurry County	73	0	73
79	Calhoun County	72	5	34
80	Milam County	72	12	58
81	Wood County	72	12	59
82	Fannin County	71	16	53
83	Coryell County	70	16	54
84	Bee County	69	7	59
85	Refugio County	69	8	45
86	Gaines County	68	1	67
87	Brown County	68	5	63
88	Walker County	67	3	58
89	Liberty County	66	2	56
90	Bosque County	64	9	55
91	Kinney County	64	2	61
92	Live Oak County	64	13	48
93	Rusk County	64	5	57
94	Chambers County	63	0	44
95	Fort Bend County	63	2	56
96	Anderson County	62	14	46
97	Hill County	62	8	54
98	Hood County	62	16	46
99	Palo Pinto County	61	12	49
100	Hopkins County	60	11	48
101	Starr County	60	9	49
102	Maverick County	60	4	56
103	Henderson County	59	10	48
104	Matagorda County	59	3	30
105	Hardin County	57	6	47
106	Shelby County	57	6	49
107	Mitchell County	56	8	48
108	Zavala County	55	5	49
109	Dimmit County	54	10	43
110	Lee County	54	1	51
111	Red River County	54	4	50
112	Grimes County	54	1	48
113	Brazos County	53	4	46
114	Dawson County	53	1	52
115	Freestone County	53	8	44
116	Reeves County	53	8	45
117	San Jacinto County	53	1	48
118	Kimble County	52	11	40
119	Eastland County	52	6	46
120	Comanche County	51	13	38
121	Polk County	51	2	45
122	Van Zandt County	51	12	39
123	McCulloch County	50	3	46
124	Jasper County	48	6	38
125	Lamar County	48	5	43
126	Trinity County	47	1	41
127	Hockley County	46	17	29
128	Andrews County	46	0	46
129	Willacy County	46	16	24
130	Sutton County	45	3	41
131	Austin County	45	1	41
132	Washington County	45	0	41
133	Erath County	44	8	36
134	Hamilton County	44	4	40
135	Menard County	43	6	36
136	Montague County	43	9	34
137	Upshur County	43	1	41
138	Falls County	43	7	36
139	Duval County	42	3	36
140	Young County	41	8	33
141	Upton County	40	1	39
142	Zapata County	40	11	29
143	Jackson County	40	2	31
144	Robertson County	40	3	36
145	Goliad County	39	0	38
146	Houston County	39	0	34
147	Jones County	39	11	27
148	Sabine County	39	1	34
149	Tyler County	39	5	30
150	Lynn County	39	11	28
151	Panola County	39	2	35
152	Leon County	38	6	31
153	Crockett County	37	5	31
154	Haskell County	37	7	29
155	Lampasas County	37	3	34
156	Mason County	37	11	25
157	Terrell County	37	1	35
158	Wichita County	37	8	29
159	Coleman County	36	2	34
160	La Salle County	36	7	29
161	Wharton County	36	2	28
162	Cass County	36	3	32
163	Jack County	35	3	31
164	Madison County	35	4	28
165	Newton County	35	6	25
166	Runnels County	35	7	27
167	Fisher County	35	5	29
168	Hale County	34	14	20
169	Colorado County	33	4	27
170	Callahan County	32	4	27
171	Mills County	32	2	30
172	San Saba County	32	10	22
173	Archer County	32	12	20
174	Martin County	31	0	31
175	Nolan County	31	4	26
176	Castro County	29	6	23
177	Garza County	29	7	21
178	Titus County	29	0	28
179	Waller County	29	0	24
180	McMullen County	29	7	22
181	Reagan County	29	0	29
182	Rockwall County	28	1	27
183	Stephens County	28	2	26
184	Hutchinson County	28	5	23
185	Delta County	27	2	25
186	Jeff Davis County	27	0	27
187	Knox County	27	10	17
188	Bailey County	26	6	20
189	San Augustine County	26	0	22
190	Carson County	25	9	16
191	Clay County	25	9	16
192	Deaf Smith County	25	6	19
193	Donley County	25	5	20
194	Franklin County	25	3	21
195	Irion County	25	4	20
196	Ochiltree County	25	8	17
197	Glasscock County	25	0	25
198	Schleicher County	25	1	23
199	Armstrong County	23	12	11
200	Presidio County	23	2	21
201	Borden County	22	1	21
202	Baylor County	21	4	17
203	Brooks County	21	4	13
204	Hudspeth County	21	1	20
205	Kenedy County	21	0	0
206	Rains County	21	4	17
207	Burleson County	20	0	18
208	Crosby County	20	9	10
209	Lamb County	20	3	17
210	Somervell County	20	4	16
211	Swisher County	20	5	15
212	Winkler County	20	1	19
213	Terry County	19	8	11
214	Moore County	19	1	18
215	Wheeler County	19	4	15
216	Camp County	18	0	17
217	Coke County	18	3	14
218	Floyd County	18	8	10
219	Jim Hogg County	18	2	14
220	Sterling County	18	4	13
221	Throckmorton County	18	5	13
222	Wilbarger County	18	4	14
223	Ward County	17	1	16
224	Gray County	17	3	14
225	Crane County	16	0	16
226	Hall County	16	6	10
227	Parmer County	15	4	11
228	Yoakum County	15	4	11
229	Briscoe County	14	3	11
230	Culberson County	14	3	11
231	Lipscomb County	14	5	9
232	Morris County	14	0	13
233	Shackelford County	14	4	9
234	Concho County	13	0	12
235	Childress County	12	7	4
236	Dickens County	12	0	11
237	Loving County	12	0	12
238	Hansford County	11	3	8
239	Hemphill County	10	3	7
240	Kent County	10	0	9
241	Marion County	10	3	6
242	Cochran County	10	1	9
243	Collingsworth County	9	2	7
244	Hartley County	9	1	8
245	Foard County	8	2	6
246	Stonewall County	8	2	5
247	Hardeman County	8	2	6
248	Oldham County	8	2	6
249	Cottle County	7	2	4
250	Motley County	7	2	4
251	Roberts County	6	0	6
252	King County	5	1	3
253	Dallam County	4	2	2
254	Sherman County	3	2	1

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

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