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Zip Code 01604 — Worcester, MA

01604 is a ZIP Code associated with Worcester, MA, located within Worcester. The postal region supports an estimated population of 39,812 residents across Data Pending housing units, with a population density of 2,317.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.250850, -71.768300)

Data MetricLocal Statistic
Postal / Zip Code01604
Primary CityWorcester
State / ProvinceMA
CountyWorcester
Total Population39,812
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2,317.2 people/sq mi
TimezoneAmerica/New_York

How 01604 Compares

MetricZIP 01604Worcester CountyMA State Average
Population39,812867,5397,043,978
Median IncomeData PendingN/AN/A
Population Density2,317.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 01608Worcester1.9 mi4,932N/A
Zip 01607Worcester2.0 mi8,706N/A
Zip 01610Worcester2.1 mi30,444N/A
Zip 01605Worcester2.9 mi30,579N/A
Zip 01545Shrewsbury3.5 mi38,876N/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 →