Zip Code 03458 — Peterborough, NH

ZIP Code 03458 is associated with Peterborough, NH, in Hillsborough County. The listed population estimate is 6,872; estimated density is 49.4 people per square mile. Among records with population estimates, it ranks #20 of 34 in Hillsborough County and #56 of 245 in NH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.869060, -71.937970)

Data MetricLocal Statistic
Postal / Zip Code03458
Primary CityPeterborough
State / ProvinceNH
CountyHillsborough
Total Population6,872
Population Density49.4 people/sq mi
TimezoneAmerica/New_York

How 03458 Compares

MetricZIP 03458Hillsborough County recordsNH records
Population estimate6,872426,425 (sum)1,394,951 (sum)
Population Density49.4 /sq mi----
County population rank#20 of 34----
State population rank#56 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 03084Temple5.1 mi1,363
ZIP 03047Greenfield6.0 mi1,730
ZIP 03452Jaffrey6.7 mi5,448
ZIP 03444Dublin7.0 mi1,666
ZIP 03449Hancock8.4 mi1,838

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 →