21711 ZIP Code, Big Pool, MD

21711 is a ZIP code in Big Pool, Maryland in Washington County. It covers 25 square miles of land. The closest ZIP codes are 21722, 25419 and 17236. 929 people live here in 434 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (100%). Median household income is $91,250, below the Maryland median of $103,678; the median age is 52.3, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents929
Households434
Median household income$91,250
Income per person$45,819
Median age52.3
Homeowners100.0%
Median home value$310,600
Median rentnot published
Bachelor's degree or higher20.2%
Average commute (minutes)30.5
Households with kids under 1822.8%
Moved in the past year7.4%
Below the poverty line11.2%
Broadband internet97.7%
Speak a non-English language at home0.0%

Household income

% of householdsValue
<$10K19.8%
$10–15K0.0%
$15–25K0.0%
$25–35K3.9%
$35–50K5.3%
$50–75K8.5%
$75–100K22.6%
$100–150K18.4%
$150–200K10.4%
$200K+11.1%

Age

% of all residentsValue
<1011.7%
10–196.2%
20–241.6%
25–3411.8%
35–447.4%
45–5422.5%
55–6416.8%
65–7416.1%
75+5.7%

Tenure

% of housing unitsValue
Owned, with mortgage43.5%
Owned outright53.4%
Rented0.0%
Vacant3.1%

Type of building

% of housing unitsValue
Detached house96.4%
Townhome0.0%
2–4 units0.0%
5–19 units0.0%
20+ units0.0%
Mobile / other3.6%

Businesses in 21711

16 business establishments with 145 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 21711 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 21711

Mail every home in 21711

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 21711, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 21711 in?
21711 is a Big Pool, MD mailing address. By land area, 2% lies inside Pecktonville; the rest is outside any Census-defined city or community.
What county is 21711 in?
21711 is in Washington County.
What is the population of 21711?
About 929 people (±295), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,108.
What is the median household income in 21711?
$91,250 (±$12,603), compared with $103,678 for Maryland as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 21711?
EDDM2GO's stored route library does not include 21711 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 21711?
The closest, measured center to center: 21722 (5.7 mi, Wilson-Conococheague), 25419 (9.3 mi, Falling Waters), 17236 (9.9 mi, Mercersburg borough, PA), 17212 (10.2 mi), 25427 (11.1 mi, Hedgesville) and 21750 (11.5 mi, Hancock).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.