Zip Code 03063 — Nashua, NH

ZIP Code 03063 is associated with Nashua, NH, in Hillsborough County. The listed population estimate is 15,805; estimated density is 752.4 people per square mile. Among records with population estimates, it ranks #10 of 34 in Hillsborough County and #23 of 245 in NH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.779500, -71.519390)

Data MetricLocal Statistic
Postal / Zip Code03063
Primary CityNashua
State / ProvinceNH
CountyHillsborough
Total Population15,805
Population Density752.4 people/sq mi
TimezoneAmerica/New_York

How 03063 Compares

MetricZIP 03063Hillsborough County recordsNH records
Population estimate15,805426,425 (sum)1,394,951 (sum)
Population Density752.4 /sq mi----
County population rank#10 of 34----
State population rank#23 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 03064Nashua2.3 mi14,391
ZIP 03049Hollis3.9 mi8,603
ZIP 03060Nashua4.0 mi31,657
ZIP 03062Nashua4.1 mi29,441
ZIP 03054Merrimack5.2 mi28,176

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 →