ZIP Code 21705 — Frederick city, MD Demographics & Data

ZIP code 21705 covers Frederick, MD in Frederick County with a population of about 4.

At a glance, the area shows median age of 41.5 versus a U.S. median of about 38.9.

It sits in telephone area codes 227, 240, 301; U.S. House district MD-6; the WASHINGTON, DC (HAGRSTWN) media market.

Frederick, MD sits in a university / college context (near hood college (0.9 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

On socioeconomic markers, US5 shows a poverty rate of 100.0%; unemployment rate near 100.0%.

FEMA’s National Risk Index rates natural-hazard risk for Frederick city, MD as Relatively Low (composite score 74.2), which is elevated versus much of the country. The strongest component scores on US5 are flood (81.6) and hurricane (79.3). 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 Frederick city, MD show little to no average snow and around 43.5 inches of annual precipitation.

IRS migration statistics for ZIP 21705 (Frederick city, MD) are roughly balanced (near-zero net) on US5’s published series.