Zip Code 03456 — Marlow, NH

ZIP Code 03456 is associated with Marlow, NH, in Cheshire County. The listed population estimate is 855; estimated density is 12.7 people per square mile. Among records with population estimates, it ranks #18 of 24 in Cheshire County and #210 of 245 in NH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.130920, -72.215050)

Data MetricLocal Statistic
Postal / Zip Code03456
Primary CityMarlow
State / ProvinceNH
CountyCheshire
Total Population855
Population Density12.7 people/sq mi
TimezoneAmerica/New_York

How 03456 Compares

MetricZIP 03456Cheshire County recordsNH records
Population estimate85578,089 (sum)1,394,951 (sum)
Population Density12.7 /sq mi----
County population rank#18 of 24----
State population rank#210 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 03607South Acworth5.1 mi368
ZIP 03602Alstead5.8 mi2,381
ZIP 03464Stoddard6.2 mi902
ZIP 03448Gilsum6.8 mi716
ZIP 03605Lempster6.9 mi907

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 →