Home > NH > Rockingham County > Sandown > Zip 03873

Zip Code 03873 — Sandown, NH

03873 is a ZIP Code associated with Sandown, NH, located within Rockingham. The postal region supports an estimated population of 6,628 residents across Data Pending housing units, with a population density of 183.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.933210, -71.183300)

Data MetricLocal Statistic
Postal / Zip Code03873
Primary CitySandown
State / ProvinceNH
CountyRockingham
Total Population6,628
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density183.6 people/sq mi
TimezoneAmerica/New_York

How 03873 Compares

MetricZIP 03873Rockingham CountyNH State Average
Population6,628319,0821,394,951
Median IncomeData PendingN/AN/A
Population Density183.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 03819Danville3.1 mi4,471N/A
Zip 03841Hampstead3.6 mi6,508N/A
Zip 03826East Hampstead4.1 mi2,654N/A
Zip 03036Chester4.1 mi5,300N/A
Zip 03044Fremont4.9 mi4,831N/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 →