ZIP Code 20018 — Washington city, DC Demographics & Data

ZIP code 20018 covers Washington, DC in District of Columbia with a population of about 19,956.

At a glance, the area shows median age of 39.7 (near the U.S. median).

It sits in telephone area codes 202, 771; U.S. House district DC-98; the WASHINGTON, DC (HAGRSTWN) media market.

Washington, DC sits in a university / college context (near the catholic university of america (1.4 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Median household income in ZIP 20018 is about $92,569 — about 23% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 14.5%; unemployment rate near 8.1%; 45.8% of adults with a bachelor’s degree or higher (about 12.1 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Public administration, Professional services, and Healthcare; about 25.7% of workers reporting work-from-home (about 10.5 points above the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $672,100 — about 93% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,085 (about 7% below the U.S. median rent ($1,163)), and owner-occupancy near 54.2% (about 11.2 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 20018 in Washington, DC, a household would need roughly $185,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $4,317. That is about 100% above the local median household income ($92,569), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

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 45.6 inches of annual precipitation.

IRS migration statistics show a net outflow of about 105 for ZIP 20018 (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.