Zip Code 01366 — Petersham, MA

ZIP Code 01366 is associated with Petersham, MA, in Worcester County. The listed population estimate is 1,185; estimated density is 12.4 people per square mile. Among records with population estimates, it ranks #77 of 83 in Worcester County and #458 of 532 in MA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.488580, -72.185640)

Data MetricLocal Statistic
Postal / Zip Code01366
Primary CityPetersham
State / ProvinceMA
CountyWorcester
Total Population1,185
Population Density12.4 people/sq mi
TimezoneAmerica/New_York

How 01366 Compares

MetricZIP 01366Worcester County recordsMA records
Population estimate1,185867,539 (sum)7,043,978 (sum)
Population Density12.4 /sq mi----
County population rank#77 of 83----
State population rank#458 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 01331Athol5.5 mi13,922
ZIP 01005Barre6.2 mi5,204
ZIP 01468Templeton7.4 mi4,183
ZIP 01355New Salem7.9 mi958
ZIP 01037Hardwick8.2 mi572

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 →