Lexington ZIP Codes

List of Zip Codes of Lexington

The following table lists ZIP Codes associated with Lexington, Massachusetts, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude County Population Density
1 02420 42.45821 -71.21762 Middlesex 16,287 893.5
2 02421 42.438 -71.23922 Middlesex 17,798 718.1


About Lexington Massachusetts Zip Codes

The city of Lexington in Massachusetts (MA) is served by approximately 2 ZIP Codes. These codes cover residential neighborhoods, business districts, and surrounding localities that use the city name in their mailing address.

Based on ZIP-level population estimates, the combined population covered by these ZIP Codes is around 34,085 people. Population density can vary significantly from one ZIP Code to another, reflecting the mix of dense urban blocks, commercial corridors, and lower-density residential areas.

The ZIP Codes associated with Lexington fall within county jurisdictions such as Middlesex. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

Most ZIP codes for Lexington, Massachusetts follow the America/New_York time zone.