ZIP Code 21005 — Aberdeen Proving Ground CDP, MD Demographics & Data

ZIP code 21005 covers Aberdeen Proving Ground, MD in Harford County with a population of about 2,354.

At a glance, the area shows median age of 32.2 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.

Aberdeen Proving Ground, MD reads as a military / base-oriented community on US5’s intent model (elevated veteran share (28.8%) and/or base-related place names). Service members and families often look up Basic Allowance for Housing (BAH) rates, on-base mail (PSC / P.O. Box) addresses, and nearby ZIP demographics when relocating.

US5 shows 2026 DoD BAH locality rates for this ZIP’s Military Housing Area on this page (pay grade × with/without dependents). Treat the table as a planning reference and confirm entitlement with your finance office or the official DTMO BAH lookup.

Median household income in ZIP 21005 is about $123,264 — about 64% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 0.3%; unemployment rate near 4.1%; 52.2% of adults with a bachelor’s degree or higher (about 18.5 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Public administration, Healthcare, and Professional services; about 15.7% of workers reporting work-from-home (roughly in line with the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing tenure and rents show median gross rent around $1,893 (about 63% above the U.S. median rent ($1,163)), and owner-occupancy near 1.1% (about 64.3 points below the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Aberdeen Proving Ground CDP, MD as Relatively Low (composite score 72.5), which is elevated versus much of the country. The strongest component scores on US5 are hurricane (81.6) and flood (78.4). 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 Aberdeen Proving Ground CDP, MD show little to no average snow and around 47.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 138 for ZIP 21005 (Aberdeen Proving Ground 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.