ZIP Code 20880
About Washington Grove
Washington Grove is a town in Montgomery County, Maryland, United States. The population was 505 at the 2020 census. The Washington Grove Historic District was listed on the National Register of Historic Places in 1980.
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Area Profile
US Census (ACS 5-year · Gazetteer)
590
population
$160,417
median household income
1,766
people / sq mi
$594,200
median home value
58.9
median age
305
housing units
287
households
0.3
land area (sq mi)