There are 81 zip codes in Middlesex County, Massachusetts. The most populated is 2148, located in Malden. * 2024 populations estimated based on the latest ACS 5-year data.

81 Rows

Zip Code
City
Population
02148Malden65,463
02155Medford63,873
02149Everett48,685
01752Marlborough41,391
01801Woburn40,992
02139Cambridge39,856
01702Framingham38,898
02138Cambridge38,006
01852Lowell36,546
01760Natick36,274
02472Watertown35,300
01701Framingham32,973
01851Lowell32,323
01826Dracut32,309
01821Billerica30,854
01876Tewksbury30,817
02453Waltham30,365
02176Melrose29,477
01854Lowell29,062
02474Arlington28,167
02145Somerville27,692
01880Wakefield27,026
02478Belmont26,964
01824Chelmsford26,612
01803Burlington26,004
01867Reading25,443
02143Somerville25,329
02144Somerville25,022
01886Westford24,524
01887Wilmington23,191
01720Acton23,081
02180Stoneham22,992
01890Winchester22,809
02140Cambridge21,553
01749Hudson19,947
02459Newton Center19,182
01776Sudbury18,926
01748Hopkinton18,748
01721Ashland18,634
02451Waltham18,379
01742Concord18,311
02421Lexington17,865
02476Arlington17,739
01850Lowell16,806
02420Lexington16,356
02452Waltham15,830
01864North Reading15,529
01746Holliston14,902
01730Bedford14,408
02141Cambridge14,402
01778Wayland14,070
02458Newton12,706
01879Tyngsboro12,385
02465West Newton11,823
02493Weston11,759
01463Pepperell11,667
01450Groton11,212
01862North Billerica11,126
01754Maynard10,671
01460Littleton10,084
02460Newtonville9,888
01863North Chelmsford9,570
02466Auburndale8,859
01432Ayer8,118
01469Townsend7,168
01775Stow7,111
01464Shirley7,092
02461Newton Highlands7,049
02468Waban5,589
01719Boxborough5,462
01773Lincoln5,216
01741Carlisle5,209
02142Cambridge4,474
01770Sherborn4,404
02464Newton Upper Falls3,440
01827Dunstable3,359
01431Ashby3,187
01474West Townsend1,902
01731Hanscom Afb1,784
02462Newton Lower Falls1,438
01718Acton737

Middlesex County, Massachusetts Zip Codes by Population (2024)