Zip Code 01940 — Lynnfield, MA

ZIP Code 01940 is associated with Lynnfield, MA, in Essex County. The listed population estimate is 13,285; estimated density is 509.0 people per square mile. Among records with population estimates, it ranks #23 of 44 in Essex County and #209 of 532 in MA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.535230, -71.036950)

Data MetricLocal Statistic
Postal / Zip Code01940
Primary CityLynnfield
State / ProvinceMA
CountyEssex
Total Population13,285
Population Density509.0 people/sq mi
TimezoneAmerica/New_York

How 01940 Compares

MetricZIP 01940Essex County recordsMA records
Population estimate13,285812,999 (sum)7,043,978 (sum)
Population Density509.0 /sq mi----
County population rank#23 of 44----
State population rank#209 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 01880Wakefield2.6 mi27,793
ZIP 01960Peabody3.3 mi54,474
ZIP 01867Reading3.5 mi25,612
ZIP 01864North Reading4.1 mi15,765
ZIP 01937Hathorne4.4 mi107

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 →