FEMA’s National Risk Index rates natural-hazard risk for Washington city, DC as Relatively High (composite score 97.6), which is among the highest nationally. The strongest component scores on US5 are flood (97.4) and hurricane (96.0). 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.
Climate normals for Washington city, DC show little to no average snow and around 48.5 inches of annual precipitation.
IRS migration statistics show a net outflow of about 15 for ZIP 20057 (Washington city, DC) on US5’s published series — more filers leaving than arriving in the measured period. Outflows can reflect housing costs, industry shifts, or retirement moves; use it as context alongside population and income trends.