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ZIP code 02451

Waltham, MA · Middlesex County

About ZIP code 02451

  • ZIP code 02451 is in Waltham, Middlesex County, Massachusetts.
  • About 17,393 people live in it, which is 1,262.3 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 42.399, -71.257.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Waltham, MA

ZIP code 02451 is the post office name for Waltham, Middlesex County, MA. 64,902 people live in Waltham. Typical household income is $120,216. A typical home costs $748,700.

  • Stronger than most towns on: Long, healthy lives, Public transit and Walkability.
  • Weaker than most towns on: Cost of living, Space and yard size and Housing affordability.

See all figures for Waltham

Other ZIP codes in Waltham

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ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.