ZIP Code 20850 Map
Census ZIP Code Tabulation Area 20850 in Rockville, MD (Montgomery County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 20850 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
50,353
Households
21,159
Median household income
$125,950
Median age
41.2 years
Median home value
$714,400
Median gross rent
$2,309/mo
Owner-occupied homes
50.3%
Bachelor's degree or higher
67.5%
Below poverty level
6.9%
Land area
14.1 sq mi
Population density
3,567 / sq mi