ZIP Code 20670 — undefined, MD Demographics & Data

ZIP code 20670 covers MD in St. Mary's County with a population of about 1,577.

At a glance, the area shows median age of 22.9 versus a U.S. median of about 38.9.

It sits in telephone area codes 227, 240, 301; U.S. House district MD-5; the WASHINGTON, DC (HAGRSTWN) media market.

Median household income in ZIP 20670 is about $70,945 — about 6% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%; 25.8% of adults with a bachelor’s degree or higher (about 7.9 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Food services, and Transportation; about 4.5% of workers reporting work-from-home (about 10.7 points below 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 $2,148 (about 85% above the U.S. median rent ($1,163)), and 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 MD as Very Low (composite score 42.6), which is near the middle of the national distribution. The strongest component scores on US5 are hurricane (85.1) and wildfire (59.0). 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 45.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 93 for ZIP 20670 (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.