01824   Zip Code Chelmsford Middlesex MA United States

City Chelmsford
County Middlesex
State Massachusetts
Latitude 42.59156
Longitude -71.35553
Population 26,650
Density 1475.91 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: $140,050
Median individual: $62,256

Race

Mode: 78.3% White

Gender

 51.9% female 

Rent

  $2167 / month  

Median house value: $617,131.0

Age

Median: 41.8 years old

Education

With at least college degree: 55.5%
With STEM degree: 54.6%

Marital Status

 57.9% married 

Never married: 27.5%

Labor Force Participation

 68.0% working 

Unemployed: 6.5%

Average Family Size

 3.21 people 

Commute Time

 28.0 minutes 

Health Care

 1.3% uninsured 

Poverty

 5.4%

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

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