ZIP Code 21077 — Severn CDP, MD Demographics & Data

ZIP code 21077 covers Severn, MD in Anne Arundel County with a population of about 137.

At a glance, the area shows median age of 40.3 (near the U.S. median).

It sits in telephone area codes 410, 443, 667; U.S. House district MD-3; the BALTIMORE media market.

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 47.1%; 65.0% of adults with a bachelor’s degree or higher (about 31.3 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Public administration, Retail trade, and Education; about 17.4% of workers reporting work-from-home (about 2.2 points above the U.S. share (15.2%)); a mean commute of about 57.0 minutes (U.S. average near 26.8).

Median home value is about $425,000 — about 22% above the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 86.8% (about 21.4 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 21077 in Severn, MD, a household would need roughly $117,000 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 $2,730. 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 Severn CDP, MD as Relatively Moderate (composite score 81.9), which is elevated versus much of the country. The strongest component scores on US5 are hurricane (87.2) and flood (80.9). 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 Severn CDP, MD show little to no average snow and around 45.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 8 for ZIP 21077 (Severn CDP, MD) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.