02421 Frequently Asked Questions

A: ZIP Code 02421 is Located in Lexington Massachusetts. Portions of 02421 are also in Lexington (town), Lincoln.

A: ZIP Code 02421 is Located Entirely in Middlesex County Massachusetts.

A: The Current Sales Tax in ZIP Code 02421 is 6.2%

A: The Area Codes for 02421 are 339 and 781

A: ZIP Code 02421 is in the Massachusetts 5th Congressional District.

A: 02421 is within Massachusetts State House of Representatives District 15th Middlesex and Massachusetts State House of Representatives District 14th Norfolk.

A: 02421 is within Massachusetts State Senate District First Middlesex and Massachusetts State Senate District Second Middlesex.

A: The 2022 population of ZIP Code 02421 is 17865. The population growth rate in 02421 is 0.13%. The population density of 02421 is 1,839.

A: The majority race/ethnicity of people residing in 02421 is White (62.54%). The majority race/ethnicity of students attending public schools in 02421 is White(46.97%).

A: The median household income in 02421 is $191,140 (2021) and the average adjusted income is $819,840 (2021).