ZIP Code 21157 Map
Census ZIP Code Tabulation Area 21157 in Westminster, MD (Carroll County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 21157 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
38,984
Households
14,785
Median household income
$104,966
Median age
43.2 years
Median home value
$424,100
Median gross rent
$1,331/mo
Owner-occupied homes
76.8%
Bachelor's degree or higher
37.9%
Below poverty level
6.7%
Land area
77.7 sq mi
Population density
502 / sq mi