ZIP Code 20646 Map
Census ZIP Code Tabulation Area 20646 in La Plata, MD (Charles County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 20646 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
21,400
Households
7,756
Median household income
$131,974
Median age
42.9 years
Median home value
$450,200
Median gross rent
$1,541/mo
Owner-occupied homes
86.5%
Bachelor's degree or higher
34.9%
Below poverty level
5.6%
Land area
79.8 sq mi
Population density
268 / sq mi