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Zip Code 03743 — Claremont, NH

03743 is a ZIP Code associated with Claremont, NH, located within Sullivan. The postal region supports an estimated population of 13,704 residents across Data Pending housing units, with a population density of 89.5 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.360260, -72.324890)

Data Metric	Local Statistic
Postal / Zip Code	03743
Primary City	Claremont
State / Province	NH
County	Sullivan
Total Population	13,704
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	89.5 people/sq mi
Timezone	America/New_York

How 03743 Compares

Metric	ZIP 03743	Sullivan County	NH State Average
Population	13,704	42,802	1,394,951
Median Income	Data Pending	N/A	N/A
Population Density	89.5 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 03773	Newport	6.5 mi	7,681	N/A
Zip 03745	Cornish	7.9 mi	1,816	N/A
Zip 03603	Charlestown	7.9 mi	5,238	N/A
Zip 03601	Acworth	8.5 mi	382	N/A
Zip 03752	Goshen	11.6 mi	1,042	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 →