ZIP Code 02451 Map
Census ZIP Code Tabulation Area 02451 in Waltham, MA (Middlesex County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 02451 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
17,393
Households
7,481
Median household income
$122,335
Median age
40.3 years
Median home value
$753,000
Median gross rent
$2,677/mo
Owner-occupied homes
59.3%
Bachelor's degree or higher
56%
Below poverty level
8.3%
Land area
5.3 sq mi
Population density
3,269 / sq mi