Chambers County, TX flood risk explained
Flood hazard in Chambers County sits at the 55th national percentile, below the national norm for flood hazard; split between inland river flooding (about 1.2 times a year) and coastal storm surge (about 3.8 times a year). This describes the county, not any one street — FEMA only publishes exact parcel zones through a live map service.
Chambers County's flood-insurance compliance gap
Out of 770 homes FEMA counts inside Chambers County's mapped flood zone, 330 carry the flood policy federal law requires there — 42.9% compliance, short of full coverage. Looking beyond the mandated zone, 22.7% of all residential structures in Chambers County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Where Chambers County ranks
Among the 3144 US counties FEMA scores for flood hazard, Chambers County ranks 1479 — 1 being the highest hazard nationally — and 933 by population among all 3144 counties covered here, where 1 is the largest. Chambers County, Texas covers 597.232 square miles and counts roughly 56,179 residents.
What to do next if you own or are buying in Chambers County
3,453 of Chambers County's 15,241 residential structures carry flood coverage of some kind, per FEMA's latest count — useful context, not a substitute for checking one parcel.
Where Chambers County's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. Chambers County's coastal exposure is covered in the coastal vs. inland flood risk guide, including how storm surge risk differs from river flooding.