ZIP Code 21529 — Ellerslie CDP, MD Demographics & Data

ZIP code 21529 covers Ellerslie, MD in Allegany County with a population of about 516.

At a glance, the area shows median age of 51.5 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.

Median household income in ZIP 21529 is about $34,167 — about 55% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 17.3%; unemployment rate near 9.0%; 3.1% of adults with a bachelor’s degree or higher (about 30.6 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Retail trade, and Food services; a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $145,200 — about 58% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $554 (about 52% below the U.S. median rent ($1,163)), and owner-occupancy near 73.0% (about 7.6 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 21529 in Ellerslie, MD, a household would need roughly $40,000 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 $933. That is about 17% above the local median household income ($34,167), so the median earner would likely stretch or need a larger down payment. 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 Ellerslie CDP, MD as Relatively Low (composite score 58.5), which is near the middle of the national distribution. The strongest component scores on US5 are flood (73.6) and hurricane (67.7). 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 Ellerslie CDP, MD show little to no average snow and around 39.2 inches of annual precipitation.

IRS migration statistics show a net inflow of about 30 for ZIP 21529 (Ellerslie 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.