Texas inland flooding risk
254 counties scored 3 rated Very High
Harris County has the highest inland flooding risk in Texas, scoring 100 out of 100 — rated "Very High" by FEMA's National Risk Index. NOAA has recorded 4,405 inland flooding events across Texas over the past decade.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Harris County | 100 | Very High | 98 |
| 2 | Bexar County | 99.7 | Very High | 181 |
| 3 | Dallas County | 99.6 | Very High | 132 |
| 4 | Tarrant County | 99.1 | Relatively High | 94 |
| 5 | Travis County | 98.3 | Relatively High | 82 |
| 6 | Fort Bend County | 97.6 | Relatively High | 23 |
| 7 | Collin County | 96.8 | Relatively High | 31 |
| 8 | El Paso County | 96.8 | Relatively High | 45 |
| 9 | Comal County | 96.6 | Relatively High | 31 |
| 10 | Hidalgo County | 96.4 | Relatively High | 54 |
| 11 | Denton County | 95.7 | Relatively High | 44 |
| 12 | Guadalupe County | 95.6 | Relatively High | 12 |
| 13 | Montgomery County | 95.6 | Relatively High | 25 |
| 14 | Brazoria County | 94.4 | Relatively High | 11 |
| 15 | Galveston County | 93.6 | Relatively High | 44 |
| 16 | Nueces County | 93.3 | Relatively High | 126 |
| 17 | Hays County | 93.2 | Relatively Moderate | 38 |
| 18 | Cameron County | 92.8 | Relatively Moderate | 69 |
| 19 | Lubbock County | 92.1 | Relatively Moderate | 30 |
| 20 | Jefferson County | 91.3 | Relatively Moderate | 54 |
| 21 | Williamson County | 91.3 | Relatively Moderate | 43 |
| 22 | Webb County | 91 | Relatively Moderate | 36 |
| 23 | Gonzales County | 90.4 | Relatively Moderate | 15 |
| 24 | Bell County | 89.2 | Relatively Moderate | 55 |
| 25 | DeWitt County | 89.2 | Relatively Moderate | 10 |
| 26 | McLennan County | 88.9 | Relatively Moderate | 29 |
| 27 | Val Verde County | 87.3 | Relatively Moderate | 16 |
| 28 | Caldwell County | 87.1 | Relatively Moderate | 25 |
| 29 | Bastrop County | 86.2 | Relatively Moderate | 28 |
| 30 | Lavaca County | 85.8 | Relatively Moderate | 6 |
| 31 | Kerr County | 85.2 | Relatively Moderate | 22 |
| 32 | Smith County | 84.9 | Relatively Moderate | 82 |
| 33 | Wilson County | 84.4 | Relatively Moderate | 7 |
| 34 | Ellis County | 83.5 | Relatively Moderate | 28 |
| 35 | Brazos County | 82.8 | Relatively Moderate | 9 |
| 36 | Taylor County | 82.8 | Relatively Moderate | 34 |
| 37 | Llano County | 82.5 | Relatively Moderate | 25 |
| 38 | Burnet County | 82.3 | Relatively Moderate | 23 |
| 39 | Uvalde County | 82.3 | Relatively Moderate | 47 |
| 40 | Ector County | 81.7 | Relatively Moderate | 50 |
| 41 | Johnson County | 80.9 | Relatively Moderate | 25 |
| 42 | Wichita County | 80.8 | Relatively Moderate | 9 |
| 43 | Midland County | 80.5 | Relatively Moderate | 73 |
| 44 | Grayson County | 79.5 | Relatively Moderate | 43 |
| 45 | Bandera County | 79.3 | Relatively Moderate | 25 |
| 46 | Orange County | 78.5 | Relatively Moderate | 29 |
| 47 | Medina County | 77.2 | Relatively Moderate | 10 |
| 48 | Gregg County | 76.8 | Relatively Moderate | 51 |
| 49 | Tom Green County | 76.7 | Relatively Moderate | 81 |
| 50 | Kaufman County | 76.4 | Relatively Moderate | 27 |
| 51 | Nacogdoches County | 75.6 | Relatively Moderate | 43 |
| 52 | Kendall County | 75.1 | Relatively Moderate | 9 |
| 53 | San Patricio County | 73.8 | Relatively Moderate | 41 |
| 54 | Maverick County | 73.1 | Relatively Moderate | 14 |
| 55 | Brown County | 73 | Relatively Moderate | 9 |
| 56 | Henderson County | 72.9 | Relatively Low | 9 |
| 57 | Washington County | 72.7 | Relatively Low | 9 |
| 58 | Parker County | 72.4 | Relatively Low | 12 |
| 59 | Starr County | 72.4 | Relatively Low | 16 |
| 60 | Erath County | 72.1 | Relatively Low | 8 |
| 61 | Hunt County | 71.7 | Relatively Low | 17 |
| 62 | Victoria County | 71.2 | Relatively Low | 17 |
| 63 | Wharton County | 69.8 | Relatively Low | 4 |
| 64 | Anderson County | 69.7 | Relatively Low | 20 |
| 65 | Liberty County | 69 | Relatively Low | 13 |
| 66 | Bowie County | 68.9 | Relatively Low | 22 |
| 67 | Angelina County | 68.7 | Relatively Low | 62 |
| 68 | Real County | 68.5 | Relatively Low | 20 |
| 69 | Navarro County | 68.3 | Relatively Low | 23 |
| 70 | Gillespie County | 68.1 | Relatively Low | 18 |
| 71 | Potter County | 68 | Relatively Low | 47 |
| 72 | Zavala County | 67 | Relatively Low | 4 |
| 73 | Randall County | 66.9 | Relatively Low | 46 |
| 74 | Cooke County | 66.8 | Relatively Low | 13 |
| 75 | Hardin County | 66.7 | Relatively Low | 30 |
| 76 | Walker County | 65.9 | Relatively Low | 27 |
| 77 | Waller County | 65.6 | Relatively Low | 4 |
| 78 | Fayette County | 64.8 | Relatively Low | 23 |
| 79 | Karnes County | 63.8 | Relatively Low | 9 |
| 80 | Polk County | 63.8 | Relatively Low | 11 |
| 81 | Harrison County | 63.5 | Relatively Low | 37 |
| 82 | Jim Wells County | 63.3 | Relatively Low | 25 |
| 83 | Coryell County | 63.1 | Relatively Low | 18 |
| 84 | Lamar County | 62.4 | Relatively Low | 14 |
| 85 | Hood County | 61.9 | Relatively Low | 12 |
| 86 | Rockwall County | 61.3 | Relatively Low | 4 |
| 87 | Atascosa County | 61 | Relatively Low | 5 |
| 88 | San Jacinto County | 61 | Relatively Low | 9 |
| 89 | Wise County | 60 | Relatively Low | 29 |
| 90 | Palo Pinto County | 59.9 | Relatively Low | 15 |
| 91 | Matagorda County | 59.4 | Relatively Low | 9 |
| 92 | Wood County | 59.3 | Relatively Low | 24 |
| 93 | Cherokee County | 59.2 | Relatively Low | 47 |
| 94 | Tyler County | 59.1 | Relatively Low | 18 |
| 95 | Upshur County | 58.9 | Relatively Low | 10 |
| 96 | Hopkins County | 58 | Relatively Low | 12 |
| 97 | Austin County | 57.7 | Relatively Low | 12 |
| 98 | Kimble County | 55.4 | Relatively Low | 16 |
| 99 | Jackson County | 55.3 | Relatively Low | 9 |
| 100 | Kleberg County | 55.3 | Relatively Low | 13 |
| 101 | Jasper County | 55 | Relatively Low | 24 |
| 102 | Comanche County | 54.7 | Relatively Low | 5 |
| 103 | Van Zandt County | 53.6 | Relatively Low | 12 |
| 104 | Milam County | 51.7 | Relatively Low | 14 |
| 105 | Blanco County | 51.4 | Relatively Low | 10 |
| 106 | Colorado County | 51 | Relatively Low | 8 |
| 107 | Aransas County | 50.8 | Relatively Low | 28 |
| 108 | Limestone County | 49.6 | Relatively Low | 32 |
| 109 | Chambers County | 47.8 | Relatively Low | 17 |
| 110 | Freestone County | 47 | Relatively Low | 13 |
| 111 | Frio County | 46.6 | Relatively Low | 6 |
| 112 | Hill County | 45.9 | Relatively Low | 17 |
| 113 | Rusk County | 45.9 | Relatively Low | 37 |
| 114 | Howard County | 45.4 | Relatively Low | 31 |
| 115 | Shelby County | 45.1 | Relatively Low | 19 |
| 116 | Panola County | 44.3 | Relatively Low | 13 |
| 117 | Hale County | 43.4 | Relatively Low | 7 |
| 118 | Eastland County | 43.2 | Relatively Low | 10 |
| 119 | Lampasas County | 41.9 | Relatively Low | 9 |
| 120 | Bosque County | 40.3 | Relatively Low | 18 |
| 121 | Trinity County | 40.3 | Relatively Low | 14 |
| 122 | Houston County | 40 | Relatively Low | 7 |
| 123 | Cass County | 39.9 | Relatively Low | 13 |
| 124 | Bee County | 39.8 | Relatively Low | 10 |
| 125 | Jones County | 39.7 | Relatively Low | 8 |
| 126 | Leon County | 39.4 | Relatively Low | 10 |
| 127 | Calhoun County | 39.1 | Relatively Low | 7 |
| 128 | Robertson County | 37.3 | Relatively Low | 13 |
| 129 | Fannin County | 36.5 | Relatively Low | 14 |
| 130 | Yoakum County | 36.4 | Relatively Low | 2 |
| 131 | Grimes County | 35.3 | Relatively Low | 15 |
| 132 | Burleson County | 34.9 | Very Low | 2 |
| 133 | Young County | 34.9 | Very Low | 9 |
| 134 | Brewster County | 33.7 | Very Low | 13 |
| 135 | Sabine County | 32.9 | Very Low | 22 |
| 136 | Titus County | 31.9 | Very Low | 5 |
| 137 | Reeves County | 31.5 | Very Low | 10 |
| 138 | Willacy County | 30.9 | Very Low | 12 |
| 139 | Montague County | 30.7 | Very Low | 16 |
| 140 | Gaines County | 30.4 | Very Low | 18 |
| 141 | Nolan County | 29.3 | Very Low | 9 |
| 142 | Newton County | 29.1 | Very Low | 14 |
| 143 | Duval County | 28.6 | Very Low | 6 |
| 144 | Martin County | 28.6 | Very Low | 7 |
| 145 | Ward County | 27.1 | Very Low | 1 |
| 146 | Marion County | 26 | Very Low | 2 |
| 147 | Mason County | 25.4 | Very Low | 12 |
| 148 | Live Oak County | 25.3 | Very Low | 7 |
| 149 | Hockley County | 24.8 | Very Low | 16 |
| 150 | Gray County | 24.6 | Very Low | 8 |
| 151 | Morris County | 24.2 | Very Low | 2 |
| 152 | Falls County | 24.1 | Very Low | 10 |
| 153 | Madison County | 23.8 | Very Low | 12 |
| 154 | Camp County | 23.7 | Very Low | 5 |
| 155 | Scurry County | 23.6 | Very Low | 29 |
| 156 | Pecos County | 23.5 | Very Low | 24 |
| 157 | La Salle County | 23.4 | Very Low | 7 |
| 158 | Runnels County | 23.4 | Very Low | 7 |
| 159 | Jim Hogg County | 23.2 | Very Low | 0 |
| 160 | Coleman County | 22.6 | Very Low | 9 |
| 161 | Hutchinson County | 21.4 | Very Low | 9 |
| 162 | Lee County | 21 | Very Low | 5 |
| 163 | Crockett County | 20.8 | Very Low | 6 |
| 164 | Somervell County | 20.1 | Very Low | 3 |
| 165 | Goliad County | 19.9 | Very Low | 0 |
| 166 | Zapata County | 19.9 | Very Low | 13 |
| 167 | Dimmit County | 19.4 | Very Low | 5 |
| 168 | Sutton County | 19.1 | Very Low | 12 |
| 169 | Dawson County | 18.8 | Very Low | 13 |
| 170 | Stephens County | 18.7 | Very Low | 5 |
| 171 | Lamb County | 18.6 | Very Low | 7 |
| 172 | Mitchell County | 18.2 | Very Low | 19 |
| 173 | Refugio County | 18.2 | Very Low | 14 |
| 174 | Presidio County | 18.1 | Very Low | 3 |
| 175 | Brooks County | 18 | Very Low | 2 |
| 176 | Edwards County | 17.8 | Very Low | 18 |
| 177 | Hamilton County | 17.1 | Very Low | 12 |
| 178 | Franklin County | 17 | Very Low | 7 |
| 179 | San Augustine County | 17 | Very Low | 11 |
| 180 | McCulloch County | 16.8 | Very Low | 11 |
| 181 | Baylor County | 15.6 | Very Low | 5 |
| 182 | Dallam County | 14.9 | Very Low | 3 |
| 183 | San Saba County | 14.9 | Very Low | 5 |
| 184 | Clay County | 14.2 | Very Low | 7 |
| 185 | Callahan County | 13.9 | Very Low | 9 |
| 186 | Bailey County | 13.6 | Very Low | 6 |
| 187 | Wilbarger County | 13.5 | Very Low | 6 |
| 188 | Deaf Smith County | 13.1 | Very Low | 10 |
| 189 | Rains County | 12.5 | Very Low | 3 |
| 190 | Haskell County | 12.3 | Very Low | 16 |
| 191 | Menard County | 12 | Very Low | 19 |
| 192 | Swisher County | 11.8 | Very Low | 7 |
| 193 | Red River County | 11.7 | Very Low | 19 |
| 194 | Terry County | 11.7 | Very Low | 5 |
| 195 | Floyd County | 11.3 | Very Low | 2 |
| 196 | Mills County | 11.3 | Very Low | 5 |
| 197 | Castro County | 11.2 | Very Low | 5 |
| 198 | Andrews County | 10.8 | Very Low | 8 |
| 199 | Jack County | 10.1 | Very Low | 10 |
| 200 | Moore County | 9.6 | Very Low | 2 |
| 201 | Archer County | 8.6 | Very Low | 9 |
| 202 | Jeff Davis County | 7.9 | Very Low | 4 |
| 203 | Wheeler County | 7.7 | Very Low | 6 |
| 204 | Ochiltree County | 7.4 | Very Low | 9 |
| 205 | Upton County | 7.1 | Very Low | 5 |
| 206 | Culberson County | 6.6 | Very Low | 3 |
| 207 | Delta County | 6.4 | Very Low | 7 |
| 208 | Kinney County | 6 | Very Low | 13 |
| 209 | Hudspeth County | 5.6 | Very Low | 5 |
| 210 | Crosby County | 5.5 | Very Low | 6 |
| 211 | Knox County | 5.3 | Very Low | 5 |
| 212 | Parmer County | 5.3 | Very Low | 4 |
| 213 | Coke County | 5.2 | Very Low | 2 |
| 214 | Hartley County | 5.1 | Very Low | 2 |
| 215 | Winkler County | 4.6 | Very Low | 2 |
| 216 | Hardeman County | 4.5 | Very Low | 0 |
| 217 | Lynn County | 4.5 | Very Low | 5 |
| 218 | Lipscomb County | 4.4 | Very Low | 4 |
| 219 | Donley County | 4.2 | Very Low | 7 |
| 220 | Concho County | 4 | Very Low | 3 |
| 221 | Childress County | 3.9 | Very Low | 6 |
| 222 | Hansford County | 3.9 | Very Low | 4 |
| 223 | Hall County | 3.8 | Very Low | 8 |
| 224 | Reagan County | 3.8 | Very Low | 2 |
| 225 | Terrell County | 3.7 | Very Low | 6 |
| 226 | Carson County | 3.6 | Very Low | 16 |
| 227 | Hemphill County | 3.6 | Very Low | 3 |
| 228 | Crane County | 3.5 | Very Low | 1 |
| 229 | Collingsworth County | 3.3 | Very Low | 3 |
| 230 | Garza County | 3.3 | Very Low | 8 |
| 231 | Shackelford County | 3.2 | Very Low | 3 |
| 232 | Irion County | 2.9 | Very Low | 6 |
| 233 | Fisher County | 2.7 | Very Low | 10 |
| 234 | McMullen County | 2.2 | Very Low | 8 |
| 235 | Schleicher County | 2.1 | Very Low | 7 |
| 236 | Throckmorton County | 2 | Very Low | 8 |
| 237 | Dickens County | 1.9 | Very Low | 2 |
| 238 | Glasscock County | 1.9 | Very Low | 4 |
| 239 | Cochran County | 1.8 | Very Low | 3 |
| 240 | Motley County | 1.6 | Very Low | 3 |
| 241 | Oldham County | 1.6 | Very Low | 2 |
| 242 | Cottle County | 1.5 | Very Low | 2 |
| 243 | Armstrong County | 1.3 | Very Low | 8 |
| 244 | Sherman County | 1.1 | Very Low | 2 |
| 245 | Foard County | 1 | Very Low | 3 |
| 246 | Stonewall County | 1 | Very Low | 3 |
| 247 | Sterling County | 0.8 | Very Low | 1 |
| 248 | Borden County | 0.7 | Very Low | 1 |
| 249 | King County | 0.6 | Very Low | 0 |
| 250 | Kent County | 0.5 | Very Low | 2 |
| 251 | Briscoe County | 0.4 | Very Low | 3 |
| 252 | Roberts County | 0.4 | Very Low | 2 |
| 253 | Kenedy County | 0.3 | Very Low | 0 |
| 254 | Loving County | 0.2 | Very Low | 0 |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Inland Flooding risk nationally:
Other hazard risks in Texas:
Frequently asked questions
What is the highest inland flooding risk county in Texas?
Harris County, TX has the highest inland flooding risk in Texas, with a FEMA National Risk Index score of 100 out of 100 (rated "Very High").
How many counties in Texas are rated Very High for inland flooding risk?
3 of 254 scored Texas counties are rated "Very High" for inland flooding risk by FEMA's National Risk Index.
What causes inland flooding risk in Texas?
Inland flooding covers riverine and surface (pluvial) flooding — the most common and costly natural disaster type in the US. High scores appear across river floodplains in the Midwest, South, and Mid-Atlantic, where legacy development in flood-prone areas and aging stormwater infrastructure concentrate risk.