What to know about ZIP 20551
ZIP code 20551 covers Washington, DC in District of Columbia.
It sits in telephone area codes 202, 771; U.S. House district DC-98; the WASHINGTON, DC (HAGRSTWN) media market.
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Washington city, DC
ZIP Code 20551 — Washington city, DC Demographics & Data
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Low Snow Area
Map, Quick Facts & Location
Quick Facts
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At a glance
Overview of ZIP Code 20551
UniversityUniversity / college area
Local search focus: University
Washington, DC sits in a university / college context (near george washington university (0.5 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.
Climate risk and migration signals
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 41.8 inches of annual precipitation.
Nearby (from this ZIP)
Airport DCA (2.9 miles (4.6 km)) · George Washington University (0.5 miles (0.8 km)) · Constitution Gardens (0.2 miles (0.3 km)) · VA: Washington D.C. National Capital Region Benefits Office (0.7 miles (1.0 km))
Full lists and map pins are in the Infrastructure section below.