Home About the data Flood Vulnerability Indices


Click on a block group on the map to explore different elements of social and built environment vulnerability in Houston.

  • Once a block is selected, click on the Social or Built Tabs above to learn more.
  • The white dots on the map represent photos that were taken during Hurricane Harvey- click on them for more information.
  • The black dots represent houses that were damaged during Hurricane Harvey according to a FEMA survey.
Click on the map to load social vulnerability information.
Click on the map to load built environment vulnerability information.