ZIP Code 20877 Map
Census ZIP Code Tabulation Area 20877 in Gaithersburg, MD (Montgomery County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 20877 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
38,546
Households
12,519
Median household income
$92,800
Median age
36.8 years
Median home value
$474,800
Median gross rent
$1,887/mo
Owner-occupied homes
43.1%
Bachelor's degree or higher
33.4%
Below poverty level
12%
Land area
5.6 sq mi
Population density
6,842 / sq mi