ZIP Code 21046 Map
Census ZIP Code Tabulation Area 21046 in Columbia, MD (Howard County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 21046 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
15,608
Households
6,165
Median household income
$127,813
Median age
37.3 years
Median home value
$479,500
Median gross rent
$2,131/mo
Owner-occupied homes
65.1%
Bachelor's degree or higher
61.7%
Below poverty level
8.4%
Land area
7.8 sq mi
Population density
1,998 / sq mi