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Zip Code 03278 — Warner, NH

03278 is a ZIP Code associated with Warner, NH, located within Merrimack. The postal region supports an estimated population of 3,079 residents across Data Pending housing units, with a population density of 18.7 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.293130, -71.829340)

Data Metric	Local Statistic
Postal / Zip Code	03278
Primary City	Warner
State / Province	NH
County	Merrimack
Total Population	3,079
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	18.7 people/sq mi
Timezone	America/New_York

How 03278 Compares

Metric	ZIP 03278	Merrimack County	NH State Average
Population	3,079	160,041	1,394,951
Median Income	Data Pending	N/A	N/A
Population Density	18.7 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 03273	South Sutton	4.8 mi	361	N/A
Zip 03260	North Sutton	6.7 mi	976	N/A
Zip 03221	Bradford	7.1 mi	2,200	N/A
Zip 03268	Salisbury	7.3 mi	1,468	N/A
Zip 03303	Concord	7.9 mi	16,571	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 →