| # | County | Risk Index score |
|---|---|---|
| 1 | Harris County | 99.9 |
| 2 | Dallas County | 99.7 |
| 3 | Bexar County | 99.4 |
| 4 | Tarrant County | 99.1 |
| 5 | Hidalgo County | 99.0 |
| 6 | Collin County | 98.9 |
| 7 | Travis County | 97.7 |
| 8 | Fort Bend County | 97.5 |
| 9 | Cameron County | 97.3 |
| 10 | Denton County | 96.9 |
| 11 | Nueces County | 96.6 |
| 12 | Lubbock County | 96.2 |
| 13 | Jefferson County | 95.7 |
| 14 | Montgomery County | 95.7 |
| 15 | El Paso County | 95.5 |
| 16 | Galveston County | 95.4 |
| 17 | Brazoria County | 93.6 |
| 18 | Comal County | 92.7 |
| 19 | Guadalupe County | 91.5 |
| 20 | McLennan County | 91.2 |
| 21 | Bell County | 91.1 |
| 22 | Hays County | 90.6 |
| 23 | Potter County | 90.5 |
| 24 | Williamson County | 90.1 |
| 25 | Webb County | 89.2 |
Source: FEMA National Risk Index (December 2025). All counties with data are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Counties with the Highest Natural Hazard Risk in Texas”, https://gismap.land/rankings/texas/highest-risk-counties. Figures from FEMA National Risk Index (December 2025).
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