02451   Zip Code Waltham Middlesex MA United States

City Waltham
County Middlesex
State Massachusetts
Latitude 42.39859
Longitude -71.2573
Population 17,393
Density 3270.21 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $122,335
Median individual: $61,635

Race

Mode: 56.7% White

Gender

 50.1% male 

Rent

  $2677 / month  

Median house value: $752,406.0

Age

Median: 40.3 years old

Education

With at least college degree: 56.0%
With STEM degree: 58.6%

Marital Status

 44.8% married 

Never married: 39.6%

Labor Force Participation

 69.5% working 

Unemployed: 3.5%

Average Family Size

 2.92 people 

Commute Time

 26.1 minutes 

Health Care

 1.3% uninsured 

Poverty

 8.3%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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