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Neighborhood Profile

ZIP Code 20670 — Patuxent River, MD

A snapshot of the people, housing, and geography behind the postal code 20670. A sparsely populated rural ZIP in St. Mary's, Maryland.

Population
1,403
Median income
$53,125
Median home value
—
Median rent
$2,000/mo

About ZIP 20670

ZIP code 20670 serves Patuxent River in St. Mary's, Maryland. It centers near 38.2791°, -76.4381° and, by population, qualifies as a sparsely populated rural ZIP. Roughly 1,403 people are estimated to live within its boundaries based on the U.S. Census Bureau's American Community Survey 5-Year Estimates (2018–2022).

The median household earns about $53,125 per year here. The typical owner-occupied home is valued near —, and asking rents on the open market sit around $2,000 per month. Compared to the rest of Maryland, that makes 20670 in line with the state average. Looking at the entire state, the average ZIP code reports a median income closer to $75,819 and a median home value of $284,504.

The median resident is around 20.1 years old, and roughly 4.7% of the population holds at least a bachelor's degree.

Cost of living read

If you're considering a move into 20670, the most useful exercise is to compare the housing math against your current ZIP. Here, a typical home runs — and a typical rental runs $2,000 a month. Translate that into your own budget:

  • At a 7% 30-year mortgage with 20% down, financing the median home here lands monthly principal & interest near — — before property tax, insurance, or HOA dues.
  • Renting the median unit at $2,000/mo costs roughly $24,000 per year, or about 45.2% of the local median household income.
  • For movers from substantially cheaper or more expensive metros, the home-value gap (+— versus the state average of $284,504) is often the single biggest line item to plan for.

Who lives here

The age and education profile of a ZIP tells you a lot about what daily life feels like there. With a median age of 20.1 and a population of 1,403, ZIP 20670 reads as younger-skewing — closer to a college town, early-career city neighborhood, or family-formation suburb. The bachelor's-degree share around 4.7% is on the lower end, often reflecting trade-economy or rural labor markets.

Geography & nearby ZIPs

This ZIP centers at 38.2791, -76.4381. The eight closest neighboring ZIP codes are listed below — useful if you're scoping out the surrounding area, comparing schools, or just want a feel for the broader neighborhood than this one boundary captures.

20653 Lexington Park, MD 20688 Solomons, MD 20634 Great Mills, MD 20629 Dowell, MD 20667 Park Hall, MD 20657 Lusby, MD 20686 Saint Marys City, MD 20619 California, MD

How to use this profile

Treat ZipLocal Guide as a starting point — never the final word — when you're researching a relocation. The Census ACS data on this page are reliable medians for the ZIP code tabulation area, but they tell you nothing about which side of the freeway you should live on, which streets the local high schoolers actually walk to school, or how the neighborhood has changed since the 2022 estimate window. For those, walk the area, talk to people on the street, and verify your assumptions with a local agent or community group.

If you find this neighborhood interesting, the easiest next step is to view all ZIPs in Patuxent River or browse the rest of Maryland.