Flood-Prone US Counties Are Now Losing Residents After Pandemic

The American neighborhoods with the highest risk of floods are again losing residents.

For the first time since 2019, high-risk counties lost domestic residents, with 30,000 more people relocating to other places in the country than moved in, according to a new Redfin report. It’s a sharp reversal from the pandemic years, when remote workers flocked to coastal areas and Sun Belt cities. Some of those counties, however, still had a total increase in population as immigration from overseas remained strong.

The online real estate platform analyzed 310 high-flood-risk counties identified by First Street, a climate-risk modeling firm, and cross-referenced the ...