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Washington city, DC

ZIP Code 20388 — Washington city, DC Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Map, Quick Facts & Location

Quick Facts

Local time
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Population
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Median Income
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Home Value
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Median Age
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City
Washington city
County
District of Columbia
DC
Timezone
EST(America/New_York)
Area Code
202, 771
Congress
DC-98
DMA
WASHINGTON, DC (HAGRSTWN) (511)
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Location
Coordinates
38.8974, -77.0268
Elevation
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Land Area
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Water Area
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At a glance

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Density
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Median income
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Timezone
EST

Overview of ZIP Code 20388

7-day weather forecast

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Sunrise, sunset & moon

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What to know about ZIP 20388

ZIP code 20388 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.

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 limited published climate normals on US5.