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Zip Code 03740 — Bath, NH

03740 is a ZIP Code associated with Bath, NH, located within Grafton. The postal region supports an estimated population of 1,097 residents across Data Pending housing units, with a population density of 11.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.180250, -71.986260)

Data MetricLocal Statistic
Postal / Zip Code03740
Primary CityBath
State / ProvinceNH
CountyGrafton
Total Population1,097
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density11.4 people/sq mi
TimezoneAmerica/New_York

How 03740 Compares

MetricZIP 03740Grafton CountyNH State Average
Population1,09792,2001,394,951
Median IncomeData PendingN/AN/A
Population Density11.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 03585Lisbon5.4 mi2,456N/A
Zip 03774North Haverhill6.2 mi1,420N/A
Zip 03771Monroe7.3 mi786N/A
Zip 03785Woodsville9.8 mi2,018N/A
Zip 03586Sugar Hill9.8 mi658N/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 →