Zip Code 03602 — Alstead, NH

ZIP Code 03602 is associated with Alstead, NH, in Cheshire County. The listed population estimate is 2,381; estimated density is 15.0 people per square mile. Among records with population estimates, it ranks #8 of 24 in Cheshire County and #134 of 245 in NH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.137510, -72.329380)

Data MetricLocal Statistic
Postal / Zip Code03602
Primary CityAlstead
State / ProvinceNH
CountyCheshire
Total Population2,381
Population Density15.0 people/sq mi
TimezoneAmerica/New_York

How 03602 Compares

MetricZIP 03602Cheshire County recordsNH records
Population estimate2,38178,089 (sum)1,394,951 (sum)
Population Density15.0 /sq mi----
County population rank#8 of 24----
State population rank#134 of 245----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in NH

ZIP CodeCityDistancePopulation estimate
ZIP 03604Drewsville3.1 miN/A
ZIP 03607South Acworth5.4 mi368
ZIP 03456Marlow5.8 mi855
ZIP 03609North Walpole5.9 mi523
ZIP 03608Walpole6.0 mi3,167

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 →