West Baton Rouge Parish, LA: flood risk, in FEMA's own numbers
On FEMA's National Risk Index, West Baton Rouge Parish scores at the 16th percentile for flood hazard, rated "Very Low" — among the lowest flood hazard in the country. The hazard here is split between inland river flooding (about once every 4 years) and coastal storm surge (about once every 500 years). This describes the county, not any one street — FEMA only publishes exact parcel zones through a live map service.
West Baton Rouge Parish's flood-insurance compliance gap
Out of 597 homes FEMA counts inside West Baton Rouge Parish's mapped flood zone, 256 carry the flood policy federal law requires there — 42.9% compliance, short of full coverage. Looking beyond the mandated zone, 12.2% of all residential structures in West Baton Rouge Parish carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
West Baton Rouge Parish against the rest of the country
Among the 3144 US counties FEMA scores for flood hazard, West Baton Rouge Parish ranks 2672 — 1 being the highest hazard nationally — and 1491 by population among all 3144 counties covered here, where 1 is the largest. About 28,425 people live in West Baton Rouge Parish, Louisiana, spread over 192.346 square miles.
Checking a specific address in West Baton Rouge Parish
Across all of West Baton Rouge Parish's 10,105 residential structures, 1,228 carry an NFIP policy today — a county-wide count that still can't tell you one address's own mapped zone.
Where West Baton Rouge Parish's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. West Baton Rouge Parish's coastal exposure is covered in the coastal vs. inland flood risk guide, including how storm surge risk differs from river flooding.