ZIP Code 21930 — undefined, MD Demographics & Data

ZIP code 21930 covers MD in Cecil County with a population of about 30.

At a glance, the area shows median age of 62.5 versus a U.S. median of about 38.9.

It sits in telephone area codes 410, 443, 667; U.S. House district MD-1; the BALTIMORE media market.

MD fits a retirement-oriented profile (high share of residents 65+ (50.0%)). Residents and relocators commonly research healthcare access, everyday amenities (dining, personal services), and housing costs rather than tech or campus life.

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%.

Labor and commute patterns include leading industry context around Healthcare and Arts and entertainment; a mean commute of about 15.0 minutes (U.S. average near 26.8).

Housing tenure and rents show owner-occupancy near 100.0% (about 34.6 points above the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for MD as Relatively Low (composite score 58.6), which is near the middle of the national distribution. The strongest component scores on US5 are hurricane (78.3) and flood (60.8). 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 MD show little to no average snow and around 46.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 2 for ZIP 21930 (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.