ZIP Code 21031 — Cockeysville CDP, MD Demographics & Data

ZIP code 21031 covers Cockeysville, MD in Baltimore County with a population of about 25.

It sits in telephone area codes 410, 443, 667; U.S. House district MD-2; the BALTIMORE media market.

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 Transportation; a mean commute of about 18.0 minutes (U.S. average near 26.8).

Housing tenure and rents show owner-occupancy near 0.0% (about 65.4 points below the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Cockeysville CDP, MD as Relatively High (composite score 95.0), which is among the highest nationally. The strongest component scores on US5 are flood (94.3) and hurricane (92.3). 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 Cockeysville CDP, MD show little to no average snow.

IRS migration statistics show a net inflow of about 1 for ZIP 21031 (Cockeysville 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.