02421   Zip Code Lexington Middlesex MA United States

City Lexington
County Middlesex
State Massachusetts
Latitude 42.438
Longitude -71.23922
Population 18,080
Density 1889.9 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: $227,813
Median individual: $102,759

Race

Mode: 55.5% White

Gender

 52.3% female 

Rent

  $2948 / month  

Median house value: $1,196,561.0

Age

Median: 48.2 years old

Education

With at least college degree: 83.3%
With STEM degree: 65.6%

Marital Status

 67.2% married 

Never married: 20.5%

Labor Force Participation

 60.1% working 

Unemployed: 2.4%

Average Family Size

 3.02 people 

Commute Time

 31.4 minutes 

Health Care

 1.4% uninsured 

Poverty

 6.4%

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

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