There are 34 zip codes in Hillsborough County, New Hampshire. The most populated is 3103, located in Manchester. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
03103Manchester37,093
03104Manchester34,962
03102Manchester33,759
03060Nashua31,469
03062Nashua28,866
03054Merrimack27,139
03051Hudson25,385
03110Bedford23,385
03055Milford16,151
03063Nashua15,941
03064Nashua14,667
03076Pelham14,221
03045Goffstown14,165
03031Amherst11,814
03109Manchester10,374
03281Weare9,108
03052Litchfield8,484
03049Hollis8,429
03244Hillsborough7,666
03458Peterborough6,864
03070New Boston6,099
03033Brookline5,659
03071New Ipswich5,244
03086Wilton4,116
03048Greenville3,489
03101Manchester3,228
03440Antrim2,900
03057Mont Vernon2,607
03449Hancock1,785
03047Greenfield1,784
03082Lyndeborough1,606
03442Bennington1,515
03043Francestown1,444
03084Temple1,372
showing: 34 rows

Hillsborough County, New Hampshire Zip Codes by Population (2024)