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Zip Code 03455 — Marlborough, NH

03455 is a ZIP Code associated with Marlborough, NH, located within Cheshire. The postal region supports an estimated population of 2,242 residents across Data Pending housing units, with a population density of 36.4 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.898160, -72.183080)

Data Metric	Local Statistic
Postal / Zip Code	03455
Primary City	Marlborough
State / Province	NH
County	Cheshire
Total Population	2,242
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	36.4 people/sq mi
Timezone	America/New_York

How 03455 Compares

Metric	ZIP 03455	Cheshire County	NH State Average
Population	2,242	78,089	1,394,951
Median Income	Data Pending	N/A	N/A
Population Density	36.4 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 03465	Troy	4.9 mi	2,005	N/A
Zip 03450	Harrisville	5.5 mi	885	N/A
Zip 03444	Dublin	5.6 mi	1,666	N/A
Zip 03446	Swanzey	6.3 mi	6,588	N/A
Zip 03431	Keene	7.6 mi	25,065	N/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 →