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Washington Grove

1. Washington Grove, Maryland, United States [Populated Place] is in Montgomery County; location is 39°8'23"N 77°10'32"W [SourceGSP]
2. Washington Grove, Maryland, United States [Town]; population was 434 in 1990; housing units was 182 in 1990; location is 39°8'N 77°10'W; land area is 0.31 square miles (200 acres); FIPS code is 81675 [SourceCBP]
3. Washington Grove, Maryland, United States Postal Service Zip Code is 20880 [SourcePSZ]