ZIP Code 20851 Map
Census ZIP Code Tabulation Area 20851 in Rockville, MD (Montgomery County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 20851 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
14,946
Households
5,155
Median household income
$126,411
Median age
38.6 years
Median home value
$568,900
Median gross rent
$2,043/mo
Owner-occupied homes
57.5%
Bachelor's degree or higher
46.2%
Below poverty level
9.1%
Land area
2.5 sq mi
Population density
5,894 / sq mi