ZIP 77555 — Climate & Environment

FEMA’s National Risk Index rates natural-hazard risk for Galveston city, TX as Relatively High (composite score 95.4), which is among the highest nationally. The strongest component scores on US5 are hurricane (97.0) and flood (93.6). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.