Zip Code 01523 — Lancaster, MA

ZIP Code 01523 is associated with Lancaster, MA, in Worcester County. The listed population estimate is 8,606; estimated density is 121.1 people per square mile. Among records with population estimates, it ranks #36 of 83 in Worcester County and #273 of 532 in MA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.481760, -71.680790)

Data MetricLocal Statistic
Postal / Zip Code01523
Primary CityLancaster
State / ProvinceMA
CountyWorcester
Total Population8,606
Population Density121.1 people/sq mi
TimezoneAmerica/New_York

How 01523 Compares

MetricZIP 01523Worcester County recordsMA records
Population estimate8,606867,539 (sum)7,043,978 (sum)
Population Density121.1 /sq mi----
County population rank#36 of 83----
State population rank#273 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 01561South Lancaster2.5 miN/A
ZIP 01434Devens4.7 mi1,564
ZIP 01510Clinton4.8 mi15,563
ZIP 01740Bolton4.9 mi5,737
ZIP 01453Leominster5.1 mi43,851

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 →