Baton Rouge, LA Flood Zone Map
FEMA flood zone data for Baton Rouge. The map below shows high-risk areas (FEMA Special Flood Hazard Areas) over local waterways and streets -- computed from the official FEMA National Flood Hazard Layer.
- High risk
- Moderate
- Lower risk
- Not mapped
Flood Zone Breakdown for Baton Rouge
About 47% of the mapped area in Baton Rouge falls within a FEMA Special Flood Hazard Area (high-risk or moderate-risk flood zone). The breakdown by zone:
- AE 46% Zone AE
- A 0% Zone A
- X 53% Zone X
Where Flooding Comes From in Baton Rouge
Riverine flooding (Mississippi River, Comite River, Amite River).
- Lively Byu
- Corporation Cnl
- Weiner Crk Div Cnl
- Comite Riv
- Honey Cut Byu
- Cypress Byu
- Dawson Crk
- Weiner Crk
Flood Zone Details for Baton Rouge
| Zone | Risk level | Area | Insurance |
|---|---|---|---|
| AE | High-risk riverine or coastal flood zone with a computed base flood elevation (BFE). About a 1-in-100 chance of flooding each year. | 46% | Flood insurance is typically required for federally backed mortgages. |
| A | High-risk flood zone without a detailed BFE study. About a 1-in-100 chance of flooding each year. | 0% | Flood insurance is typically required for federally backed mortgages. |
| X | Lower-risk zone outside the 1% annual chance flood boundary. Flooding is still possible but less likely than in high-risk zones. | 53% | Flood insurance is not required but may still be a smart choice -- nearly one-third of flood claims (29% over 2014-2024) come from lower-risk areas. |
Learn More About the Zones in Baton Rouge
Check YOUR Exact Address in Baton Rouge
The map above shows the broad flood zone picture for Baton Rouge. Your specific property may be in a different zone -- the only way to know for certain is to check your exact address.