Zip Code 01085 — Westfield, MA

ZIP Code 01085 is associated with Westfield, MA, in Hampden County. The listed population estimate is 41,102; estimated density is 265.7 people per square mile. Among records with population estimates, it ranks #1 of 38 in Hampden County and #25 of 532 in MA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.153750, -72.769610)

Data MetricLocal Statistic
Postal / Zip Code01085
Primary CityWestfield
State / ProvinceMA
CountyHampden
Total Population41,102
Population Density265.7 people/sq mi
TimezoneAmerica/New_York

How 01085 Compares

MetricZIP 01085Hampden County recordsMA records
Population estimate41,102462,835 (sum)7,043,978 (sum)
Population Density265.7 /sq mi----
County population rank#1 of 38----
State population rank#25 of 532----

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 MA

ZIP CodeCityDistancePopulation estimate
ZIP 01097Woronoco3.6 mi143
ZIP 01071Russell4.6 mi1,054
ZIP 01073Southampton5.6 mi6,230
ZIP 01089West Springfield6.4 mi28,772
ZIP 01077Southwick6.9 mi9,217

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 →