FEMA released preliminary flood maps for Hill County in 2025 for public comment

New flood maps affect which properties are in a flood zone. Being in a high-risk zone usually means your lender will require flood insurance. The Brazos River runs along Hill County's western border, and the Nolan River also flows through the county.

The official flood map for any Hill County address is at FEMA's Map Service Center. You can search by address to see your flood zone. If you think a map is wrong, you can ask FEMA to review it. For local questions, contact the Hill County floodplain office at the courthouse in Hillsboro.