Zip Code 03431 — Keene, NH

03431 is a ZIP Code associated with Keene, NH, located within Cheshire. The postal region supports an estimated population of 25,065 residents across Data Pending housing units, with a population density of 161.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.967850, -72.298620)

Data MetricLocal Statistic
Postal / Zip Code03431
Primary CityKeene
State / ProvinceNH
CountyCheshire
Total Population25,065
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density161.4 people/sq mi
TimezoneAmerica/New_York

How 03431 Compares

MetricZIP 03431Cheshire CountyNH State Average
Population25,06578,0891,394,951
Median IncomeData PendingN/AN/A
Population Density161.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 03448Gilsum5.3 mi716N/A
Zip 03445Sullivan5.4 mi687N/A
Zip 03467Westmoreland6.7 mi2,237N/A
Zip 03446Swanzey7.3 mi6,588N/A
Zip 03462Spofford7.4 mi1,726N/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 →