Lynnfield, MA 01940 ZIP Code Profile

Related Place Profiles:
Lynnfield, MA | South Lynnfield, MA

ZIP Code 01940: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Lynnfield, MA 01940

Not Acceptable, USPS
South Lynnfield, MA 01940

  • ZIP Code Type: STANDARD
  • County: Essex County
  • Centroid: Latitude 42.536, Longitude -71.027
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 579
  • PO Box Addresses: 184
  • Residential Addresses: 4,865
    • Multi-Family Addresses: 823
    • Single Family Addresses: 4,042

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

EXTREMELY LOCAL Demographic Data

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01940 ZIP Code Map

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Lynnfield, MA 01940 Data & Demographics (As of July 1, 2018)


Total Population 12,526
Population in Households 12,514
Population in Familes 11,292
Population in Group Qrtrs 12
Population Density2 1,193
Diversity Index3 21


Median Household Income $118,012
Average Household Income $159,953
Per Capita Income $57,432


Total Housing Units 4,645 (100%)
Owner Occupied HU 3,965 (85.4%)
Renter Occupied HU 531 (11.4%)
Vacant Housing Units 149 ( 3.2%)
Median Home Value $666,308
Average Home Value $737,465


Total Households 4,496
Average Household Size 2.78
Family Households 3,496
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.87% 0.78%
Households 0.81% 0.75%
Families 0.75% 0.71%
Median Household Income   1.59%
Per Capita Income   2.24%

Lynnfield, MA 01940 - Peer Comparisons by Rank and Percentile

The table below compares 01940 to the other 521 ZIP Codes in Massachusetts by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 211 60th
Population Density # 205 61st
Diversity Index # 288 45th
Median Household Income # 66 88th
Per Capita Income # 83 84th

Additional comparisons and rankings can be made with a VERY EASY TO USE Massachusetts Census Data Comparison Tool.

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