Gaithersburg, Maryland (MD) Zip Code Map - Locations, Demographics

Zip code 20850 statistics: (Find on map)

Zip code population in 2010: 19,085
Zip code population (2000): 33,557

Land area: 14.1 sq. mi.
Water area: 0.1 sq. mi.

Population density: 1,354 people per square mile

(low).

Males: 17,756	(46.7%)
Females: 20,306	(53.3%)

Zip code 20850 detailed profile

Zip code 20877 statistics: (Find on map)

Zip code population in 2010: 12,249
Zip code population (2000): 30,129

Land area: 5.8 sq. mi.
Water area: 0.0 sq. mi.

Population density: 2,123 people per square mile

(low).

Males: 15,126	(48.3%)
Females: 16,195	(51.7%)

Zip code 20877 detailed profile

Zip code 20878 statistics: (Find on map)

Zip code population in 2010: 23,155
Zip code population (2000): 55,177

Land area: 21.8 sq. mi.
Water area: 0.4 sq. mi.

Population density: 1,060 people per square mile

(low).

Males: 27,416	(46.9%)
Females: 31,068	(53.1%)

Zip code 20878 detailed profile

Zip code 20879 statistics: (Find on map)

Zip code population in 2010: 8,371
Zip code population (2000): 21,980

Land area: 7.7 sq. mi.
Water area: 0.0 sq. mi.

Population density: 1,090 people per square mile

(low).

Males: 8,724	(48.6%)
Females: 9,214	(51.4%)

Zip code 20879 detailed profile

Zip code 20886 statistics: (Find on map)

Zip code population in 2010: 12,759
Zip code population (2000): 32,881

Land area: 4.7 sq. mi.
Water area: 0.1 sq. mi.

Population density: 2,714 people per square mile

(average).

Males: 12,147	(47.4%)
Females: 13,500	(52.6%)

Zip code 20886 detailed profile