Zip Code 03054 — Merrimack, NH

03054 is a ZIP Code associated with Merrimack, NH, located within Hillsborough. The postal region supports an estimated population of 28,176 residents across Data Pending housing units, with a population density of 334.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.854710, -71.518780)

Data MetricLocal Statistic
Postal / Zip Code03054
Primary CityMerrimack
State / ProvinceNH
CountyHillsborough
Total Population28,176
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density334.0 people/sq mi
TimezoneAmerica/New_York

How 03054 Compares

MetricZIP 03054Hillsborough CountyNH State Average
Population28,176426,4251,394,951
Median IncomeData PendingN/AN/A
Population Density334.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 03052Litchfield3.3 mi8,499N/A
Zip 03031Amherst4.6 mi11,849N/A
Zip 03063Nashua5.2 mi15,805N/A
Zip 03064Nashua5.7 mi14,391N/A
Zip 03110Bedford6.0 mi23,746N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →