GetZips
ZIP Code21715

Brownsville, MD

Washington County · Maryland · United States
Home to 18 people across 0.246 square miles.

EasternOwner-majority23 ZIPs in county

At a glance

21715 by the numbers

Every figure below comes from the 2019–2023 American Community Survey 5-Year Estimates, the Census Gazetteer, or is computed from those. Margins of error are shown where they matter.

Population
18
±23 · bottom 10% nationally
Median household income
US median $70,109 ·
Median home value
US median $207,500 ·
Median age
66.5
US median 42 years
Population density
73/mi²
49th pctile most dense
Land area
0.246 mi²
negligible water area

Location

Where 21715 is

39.37876, -77.660722 · Census ZCTA internal pointOpen larger map →
Coordinates39.37876, -77.660722
Time zoneAmerica/New_York
CountyWashington County
StateMaryland (MD)
Land area0.246 mi²
Coordinate sourceCensus ZCTA internal point

Local time

America/New_York

—:—:—

Current weather

Live from the National Weather Service

Loading forecast…

Distance to major cities

Straight-line, computed from coordinates

Philadelphia, PA138.5 mi
New York, NY214.1 mi
Boston, MA401.6 mi
Atlanta, GA538.8 mi

People

Who lives in 21715

18 residents in 12 households, averaging 1.5 people per household. The largest age group is 65+ at 66.7% of residents, and 50.0% of households are a single person living alone.

Age distribution

Share of residents by age band

Under 180.0%
18-240.0%
25-340.0%
35-440.0%
45-540.0%
55-6433.3%
65+66.7%

Households

Composition and size

Total households12
Average household size1.5
Family households50.0%
Living alone50.0%
Median age66.5 years
Households with internet100.0%

Race & ethnicity

Census race categories. Hispanic or Latino origin is asked separately and overlaps these groups.

White100.0%

Income & work

What people earn in 21715

Income data is suppressed for this ZIP code.

Compared to the US

This ZIP against the national median

Median household income
Median household income±—
Per capita income$73,861
Poverty rate0.0%
Unemployment rate0.0%
Labor force participation66.7%

Household income distribution

Share of households in each bracket

<$25k0.0%
$25-50k0.0%
$50-75k0.0%
$75-100k0.0%
$100-150k100.0%
$150-200k0.0%
$200k+0.0%

Educational attainment among residents 25 and older: 0.0% hold a bachelor's degree or higher, 66.7% finished high school.

Housing

Homes and rent in 21715

Housing cost data is suppressed for this ZIP code.

Costs

Typical values

Median home value
Median gross rent—/mo
Median year built
Housing units12
Vacancy rate0.0%

Own vs. rent

Of 12 occupied units

Owner-occupied100.0%
Renter-occupied0.0%
Owner households12
Renter households0

Building types

Units by structure size

Single family100.0%

Getting to work

How 21715 commutes

100.0% of workers drove alone, and the average one-way trip takes 31.0 minutes.

Mode of transport

Workers 16 and older

Drove alone100.0%

Travel time

Mean commute 31.0 minutes

<10 min0.0%
10-190.0%
20-2950.0%
30-4450.0%
45-590.0%
60+0.0%

Overview

Understanding ZIP code 21715

ZIP code 21715 is assigned to Brownsville, MD, and falls within Washington County. Like every US postal code, it began as a mail-routing device rather than a geographic boundary — the US Postal Service groups delivery routes under a single code so carriers and sorting equipment can process mail efficiently. Today it also serves as a practical shorthand for the area itself: roughly 18 people live inside it.

At 73 residents per square mile spread over 0.246 square miles, 21715 reads as a rural area. It is a sparsely populated postal code, and density shapes almost everything else on this page — how people get to work, whether they own or rent, and what housing costs.

Living here

What life in Brownsville looks like

The building stock is dominated by detached single-family houses, which account for 100.0% of housing units here. At 0.0%, vacancy is low — housing here is tightly held.

The population skews considerably older than the national median, with a median age of 66.5 against 42 nationally. Households average just 1.5 people, and 50.0% consist of one person living alone — a signature of areas with a lot of studio and one-bedroom stock.

Getting to work takes 31.0 minutes on average one way. The dominant mode is drove alone at 100.0% of workers.

Where to stay

Where to stay in Brownsville, MD

21715 covers a rural area, and accommodation within the postal code itself is likely to be sparse — perhaps a country inn, a lodge or a vacation rental rather than a conventional hotel. Widening the search radius is usually the practical approach, and it also opens up more availability at short notice.

For reference, Philadelphia, PA is about 138.5 miles away in a straight line, which is worth factoring in if you are comparing a stay here against one closer to the city centre.

Availability and pricing change constantly, so the live search below will give you a more accurate picture than any figure we could publish here. It opens results for this area on Booking.com.

Book a Hotel →

Opens Booking.com in a new tab. We are not affiliated with Booking.com and receive nothing from this link.

Practical uses

What ZIP code 21715 is used for

Beyond addressing mail, 21715 does a lot of quiet administrative work. Retailers use it to calculate shipping and sales tax at checkout. Insurers use it to set premiums, since risk profiles vary geographically. Employers and marketers use it to define service areas. Government agencies use it to route benefits and organise reporting. If you have ever been asked for a postal code by a form that clearly does not intend to send you anything, this is why.

For anyone weighing a move, 21715 offers a compact profile of Brownsville: 18 residents, 0.0% of adults holding a bachelor's degree or higher, and an unemployment rate of 0.0%. A handful of figures like these answer more relocation questions than most neighbourhood guides do.

One caution worth repeating: a postal code is not a neighbourhood. 21715 may cover parts of several distinct areas, and a single neighbourhood in Brownsville may be split across more than one code. Boundaries also shift as USPS adjusts delivery routes. Treat the figures here as describing a delivery area, which is what they actually measure.

Look up another

Search any ZIP code

Questions

Common questions about 21715

What city is ZIP code 21715 in?
21715 serves Brownsville, Maryland, in Washington County, United States.
What is the population of 21715?
About 18 people live in ZIP code 21715, according to the US Census Bureau's 2019–2023 American Community Survey 5-Year Estimates. The margin of error on that figure is ±23. That works out to roughly 73 people per square mile.
Is 21715 a good place to live?
That depends on what you're looking for, but here are the facts: 0.0% of adults hold a bachelor's degree or higher, the unemployment rate is 0.0%, and the median age is 66.5. The average commute is 31.0 minutes. We publish the numbers and let you weigh them.
What time zone is 21715 in?
21715 observes Eastern Time (America/New_York). This zone observes daylight saving time.
How big is ZIP code 21715?
ZIP code 21715 covers 0.246 square miles of land, per the US Census Bureau's 2023 Gazetteer files.
Is 21715 urban, suburban or rural?
By population density, 21715 reads as a rural area. It holds 73 people per square mile across 0.246 square miles of land. For reference, densities above 10,000 per square mile generally indicate an urban core, 1,000–3,000 is typically suburban, and under 200 is rural. These are rules of thumb rather than official designations — the Census Bureau classifies urban and rural areas by census block, not by ZIP code.
What is the commute like from 21715?
The average one-way commute from 21715 takes about 31.0 minutes. The most common way to travel is drove alone, used by 100.0% of workers aged 16 and over. Commute figures cover people who were employed and working outside the home during the survey period.
How many people work in 21715?
About 12 residents of 21715 are employed. Labor force participation stands at 66.7% and the unemployment rate is 0.0%. Note this counts residents by where they live, not by where they work — a ZIP with many offices can have far more jobs than employed residents.
Where should I stay when visiting 21715?
Accommodation in and around Brownsville, MD ranges with the character of the area. See the 'Where to stay' section on this page for local context, and use the live search there for current availability and pricing.
Does 21715 cover more than one city or county?
This page lists Brownsville as the primary place and Washington County as the county. ZIP codes follow mail delivery routes rather than municipal or county lines, so a single code can straddle boundaries, and USPS also recognises alternate acceptable city names for many codes. If you need the definitive answer for a specific street address, the USPS ZIP Code Lookup is the authority.
Can ZIP code 21715 change?
Yes. USPS adjusts ZIP codes as delivery volumes shift — codes are occasionally split, merged, retired or newly created, and boundaries move more often than most people assume. The Census Bureau's ZCTA definitions, which underpin the demographic figures on this page, are redrawn only once a decade, so the two can drift apart between censuses.

Methodology

Where this data comes from

  • Postal geography — GeoNames open postal code database (CC BY 4.0), cross-checked against the US Census Gazetteer.
  • Demographics, income, housing, commute — US Census Bureau, American Community Survey 2019–2023 5-Year Estimates, ZIP Code Tabulation Area 21715. Tables B01001, B01002, B01003, B02001, B03003, B08301, B08303, B11001, B15003, B17001, B19001, B19013, B19301, B23025, B25002, B25003, B25024, B25035, B25064, B25077, B28002.
  • Land and water area — US Census Bureau 2023 Gazetteer Files.
  • Weather — NOAA National Weather Service, fetched live in your browser.
  • Map — OpenStreetMap contributors (ODbL).
On accuracy. ACS figures are survey estimates, not counts. The margin of error shown alongside the population figure means the true value has a 90% chance of falling in that range. For small ZIP codes the error can be large relative to the estimate — treat the direction as more reliable than the exact number. This page reports data for ZCTA 21715, the Census approximation of the USPS delivery area.