ZIP Code 21783 — Cavetown CDP, MD Demographics & Data

ZIP code 21783 covers Cavetown, MD in Washington County with a population of about 9,881.

At a glance, the area shows median age of 42.1 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 21783 is about $96,055 — about 28% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 8.0%; unemployment rate near 2.1%; 21.3% of adults with a bachelor’s degree or higher (about 12.4 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Education, Retail trade, and Healthcare; about 10.5% of workers reporting work-from-home (about 4.7 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $330,100 — about 5% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $883 (about 24% below the U.S. median rent ($1,163)), and owner-occupancy near 78.1% (about 12.7 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 21783 in Cavetown, MD, a household would need roughly $91,000 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 $2,120. That is roughly in line with the local median household income ($96,055). 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 Cavetown CDP, MD as Relatively Low (composite score 68.8), which is near the middle of the national distribution. The strongest component scores on US5 are hurricane (85.7) and flood (73.1). 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 Cavetown CDP, MD show little to no average snow.

IRS migration statistics show a net inflow of about 581 for ZIP 21783 (Cavetown 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.