20880 ZIP Code, Washington Grove, MD

20880 is a ZIP code in Washington Grove, Maryland in Montgomery County. It covers 0.3 square miles of land. The closest ZIP codes are 20877, 20879 and 20899. 577 people live here in 289 households, fewer than in most Maryland ZIP codes. At about 1,728 people per square mile it has suburban density, and most homes are owner-occupied (100%). Median household income is $134,583, above the Maryland median of $103,678; the median age is 62.2, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents577
Households289
Median household income$134,583
Income per person$83,763
Median age62.2
Homeowners99.7%
Median home value$612,700
Median rentnot published
Bachelor's degree or higher77.7%
Average commute (minutes)26.6
Households with kids under 1812.8%
Moved in the past year5.6%
Below the poverty line3.5%
Broadband internet97.6%
Speak a non-English language at home13.3%

Household income

% of householdsValue
<$10K1.0%
$10–15K0.0%
$15–25K3.8%
$25–35K1.0%
$35–50K3.8%
$50–75K3.8%
$75–100K9.7%
$100–150K32.2%
$150–200K19.4%
$200K+25.3%

Age

% of all residentsValue
<106.6%
10–194.4%
20–243.5%
25–347.1%
35–4411.6%
45–549.7%
55–6416.7%
65–7426.0%
75+14.5%

Tenure

% of housing unitsValue
Owned, with mortgage54.2%
Owned outright41.1%
Rented0.3%
Vacant4.4%

Type of building

% of housing unitsValue
Detached house99.7%
Townhome0.3%
2–4 units0.0%
5–19 units0.0%
20+ units0.0%
Mobile / other0.0%

Businesses in 20880

3 business establishments with 17 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 20880 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 20880

Mail every home in 20880

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) 20880, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 20880 in?
20880 is a Washington Grove, MD mailing address. By land area, 100% lies inside Washington Grove.
What county is 20880 in?
20880 is in Montgomery County.
What is the population of 20880?
About 577 people (±128), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 504.
What is the median household income in 20880?
$134,583 (±$39,304), 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 20880?
EDDM2GO's stored route library does not include 20880 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 20880?
The closest, measured center to center: 20877 (0.9 mi, Gaithersburg), 20879 (1.9 mi, Flower Hill), 20899 (2.2 mi, Gaithersburg), 20855 (2.3 mi, Redland), 20850 (3.6 mi, Rockville) and 20886 (3.7 mi, Montgomery Village).

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