US ZIP Code
20880

Washington Grove, MD

Montgomery County  ·  Maryland

● Active
👥 590 Population ↑ 8% since 2019
💰 $160,417 Median HH Income
▲ 110% above avg ↑ 40% since 2019
🎂 58.9 Median Age ↑ 8% since 2019
🏠 $594,200 Median Home Value
▲ 113% above avg ↑ 33% since 2019
🎓 69.0% College Grads
▲ 78% above avg
📊 3.6% Unemployment
▼ 26% below avg ↓ 19% since 2019
ZIP Code Details
ZIP Code20880
CityWashington Grove
StateMaryland (MD)
CountyMontgomery County
Area Code227/240/301
Elevation511 ft
Latitude39.140699
Longitude-77.174533
TimezoneNew York (DST)
FIPS24031
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 57.3% (338) Female 42.7% (252) ♀

Race & Ethnicity

White: 79.2%Hispanic: 0.7%Black: 11.9%Asian: 2.7%Other: 5.6%Race
White79.2%
Hispanic0.7%
Black11.9%
Asian2.7%
Other5.6%

Age Breakdown

Under 5
2%
5–17
8%
18–24
5%
25–44
20%
45–64
33%
65+
19%

Key Indicators

Median Age58.9 yrs ↑ 8% since 2019
Avg Household Size2.06
Below Poverty3.7% ▼ 63% below avg
College Grads69.0% ▲ 78% above avg
Unemployment3.6% ▼ 26% below avg
HS Graduate25 (5.6%)
Some College89 (20%)
Associates24 (5.4%)
Bachelors11 (2.5%)
Graduate Degree296 (66.5%)

Education

HS Grad: 5.6%Some College: 20%Associates: 5.4%Bachelors: 2.5%Graduate: 66.5%Edu
HS Grad5.6%
Some College20.0%
Associates5.4%
Bachelors2.5%
Graduate66.5%
Housing & Income

Housing Tenure

Owner: 95.5%Renter: 4.5%Tenure
Owner95.5%
Renter4.5%

Home Value Distribution

$50k–100k
1%
$200k–300k
4%
$300k–500k
25%
Over $500k
70%

Financials

Median HH Income$160,417 ▲ 110% above avg ↑ 40% since 2019
Median Home Value$594,200 ▲ 113% above avg ↑ 33% since 2019
Home/Income Ratio3.7x (nat avg ~3.5x)
Total Units305
Vacant Units18
Avg HH Size2.06

Income Distribution

Under $25k
5%
$25k–50k
2%
$50k–75k
3%
$75k–100k
12%
$100k–150k
27%
$150k–200k
22%
Over $200k
29%
Employment & Commute

How People Get to Work

Drove Alone
55%
Public Transit
19%
Walked
1%
Work From Home
26%

Commute Time

Under 15 min
31%
15–30 min
23%
30–45 min
17%
Over 45 min
30%
Housing Stock

Year Built

Before 1940
6%
1940s–1950s
27%
1960s–1970s
2%
1980s–1990s
4%
2000+
61%

Summary

Total Units305
Vacant18
Owner Occupied95.5%
Renter Occupied4.5%
Avg HH Size2.06
Frequently Asked Questions
ZIP code 20880 is in Washington Grove, MD, in Montgomery County.
ZIP code 20880 is located in Maryland (MD).
ZIP code 20880 is in Montgomery County, MD.
ZIP 20880 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 20880 is 590 people (ACS 2023).
The median household income in ZIP code 20880 is $160,417 (ACS 2023).
The median home value in ZIP 20880 is $594,200 (ACS 2023).
About ZIP Code 20880

ZIP code 20880 is located in Washington Grove, Maryland, within Montgomery County. With a population of 590, this is a sparsely populated ZIP code with an older community — the median age is 58.9 years. Economically, 20880 is a affluent ZIP code: the median household income of $160,417 is more than double the national average.

Real estate in ZIP code 20880 represents a premium housing market. The median home value of $594,200 is more than double the national average. Homeownership is strong here — 95.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 33% since 2019.

The population of 20880 is primarily White (79.15%). Residents are highly educated — 69.0% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 3.7%. Household income has grown by 40% since 2019.

The unemployment rate in 20880 stands at 3.6%, which is below the national average. About 24% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 51%.

Overall, ZIP code 20880 in Washington Grove, MD is characterized as affluent, highly educated, an older community, and predominantly owner-occupied. With 590 residents, a median household income of $160,417, and a median home value of $594,200, it offers a clear picture of life in this part of Maryland.