How much flood risk does Bibb County actually carry?
Bibb County lands at the 48.9th percentile of FEMA's National Risk Index for flooding, "Relatively Low" territory — below the national norm for flood hazard — with the hazard driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about once every 2 years. That's a county-wide figure, not a per-address one — FEMA's parcel maps are a live lookup, not a bulk file.
Who actually carries the flood insurance FEMA requires
Homes with a federally backed mortgage inside Bibb County's mapped high-risk flood zone (the Special Flood Hazard Area, or SFHA) are legally required to carry an NFIP flood policy. In practice, 5.3% of them do — 13 active policies against 246 structures FEMA counts in that zone, leaving a real compliance gap. Across all residential structures in Bibb County, not just the ones FEMA mandates, 0.2% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
How Bibb County compares nationally
Bibb County sits at rank 1667 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 1710 of 3144 by population (1 is biggest). Bibb County, Alabama is home to about 22,258 people across 622.47 square miles of land.
What to do next if you own or are buying in Bibb County
17 of Bibb County's 7,693 residential structures carry flood coverage of some kind, per FEMA's latest count — useful context, not a substitute for checking one parcel.
More on how this number was built
The methodology guide shows exactly which FEMA and Census tables feed Bibb County's numbers. The guide to what the Special Flood Hazard Area actually means explains why the mandatory-insurance rule exists and who it applies to.