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Massachusetts ZIP Codes
Essex County
Lynnfield, MA
01940
01940 ZIP Code — Lynnfield, MA
Essex County, Massachusetts
ZIP code 01940 is located in
Lynnfield ,
Massachusetts ,
within Essex County .
It covers approximately 10.08 square miles and serves a population of
13,072 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 781 .
About ZIP code 01940
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $851,600. Owner-occupancy is high at 86%, well above the national average.
The gap between median ($157,955) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 31% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average. Remote work is prevalent — 22% of workers work from home.
Educational attainment is high — 61% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 01940 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.
01940 ZIP code map
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Cities in ZIP code 01940
Below are the cities the US Postal Service accepts for ZIP code 01940. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
13,072
Population density
1,297 / sq mi
State FIPS
25
County FIPS
009
Geography
Land area
10.08 sq mi
Water area
0.62 sq mi
Latitude
42.5382
Longitude
-71.0305
Timezone
Eastern (ET)
Area code
781
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
20.1%
32.1%
31.3%
$50k – $100k
18.9%
26.4%
25.9%
$100k – $200k
27.8%
27.2%
28.5%
Over $200k
33.2%
14.3%
14.3%
Demographics & statistics
$157,955
Median household income
$851,600
Median home value
$1,891
Median monthly rent
60.7%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 3,353 25.7%
18 and over 9,719 74.3%
65 and over 2,558 19.6%
Median age 41.2 years
Race & ethnicity
Black or African American
2.1%
Group Count %
White 10,759 79.1%
Asian 1,071 7.9%
Two or more races 566 4.2%
Hispanic or Latino 537 3.9%
Other race 389 2.9%
Black or African American 287 2.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
20.1%
32.1%
31.3%
$50k – $100k
18.9%
26.4%
25.9%
$100k – $200k
27.8%
27.2%
28.5%
Over $200k
33.2%
14.3%
14.3%
Range % of households
Under $10k 5.1%
$10k–$15k 0.2%
$15k–$25k 3.1%
$25k–$35k 6.3%
$35k–$50k 6.1%
$50k–$75k 7.7%
$75k–$100k 6.6%
$100k–$150k 13.7%
$150k–$200k 14.5%
$200k+ 36.7%
Median income $157,955
Housing
Housing overview
Metric Value
Median home value $851,600
Median rent / month $1,891
Owner occupied 85.7%
Renter occupied 14.3%
Vacant 5.7%
Single-family detached 75.1%
Large apartment buildings 9.7%
Mobile homes 0.0%
Median rooms 7.3
Avg household size (owned) 2.92
Year built
Era %
2020 or later 0.4%
2010–2019 8.5%
2000–2009 6.8%
1990–1999 8.4%
1980–1989 9.1%
1970–1979 12.0%
1960–1969 16.2%
1950–1959 19.9%
1940–1949 7.0%
1939 or earlier 11.8%
Bedrooms
Size % of units
No bedroom (studio) 1.2%
1 bedroom 8.8%
2 bedrooms 16.9%
3 bedrooms 32.9%
4 bedrooms 34.2%
5+ bedrooms 6.1%
Vehicles per household
Vehicles % of households
No vehicle 5.1%
1 vehicle 19.5%
2 vehicles 53.2%
3 or more 22.2%
Heating fuel
Fuel type %
Utility gas 56.1%
Electricity 6.3%
Propane / LP gas 2.8%
Fuel oil 34.7%
Households & families
Household type Count %
Married-couple family 3,216 67.7%
Cohabiting couple 109 2.3%
Male householder, no spouse 402 8.5%
Female householder, no spouse 1,025 21.6%
Households with children under 18 1,857 39.1%
Households with seniors (65+) 1,830 38.5%
Average household size 2.74
Marital status
Status Male Female
Never married 23.2% 20.6%
Married 71.2% 61.9%
Separated 1.1% 0.1%
Widowed 1.2% 9.9%
Divorced 3.4% 7.5%
Education
Some college, no degree
10.9%
Graduate / professional
29.7%
Metric %
HS diploma or higher 97.2%
Bachelor's or higher 60.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 227 6.9%
Kindergarten 282 8.5%
Elementary school 1,596 48.2%
High school 597 18.0%
College / grad school 606 18.3%
Employment
Industry of employment
Education & healthcare
20.9%
Professional & management
19.7%
Finance & real estate
11.9%
Public administration
4.1%
Transportation & utilities
2.9%
Arts, food & hospitality
1.8%
Occupation
Category %
Management, business & arts 56.2%
Service 8.1%
Sales & office 25.8%
Natural resources & construction 5.8%
Production & transportation 4.1%
Employment type
Type %
Private sector 81.7%
Government 10.8%
Self-employed 7.3%
Unpaid family workers 0.3%
Commute
Method %
Drive alone 70.3%
Carpool 5.6%
Public transit 2.0%
Walk 0.4%
Work from home 21.5%
Other means 0.2%
Avg commute (minutes) 31.7
Poverty
Married-couple families
6.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 30.8%
Retirement income 24.2%
Supplemental Security 1.6%
Cash public assistance 1.8%
Food stamps / SNAP 1.4%
Health indicators
Condition %
Obesity 23.8%
High blood pressure 27.8%
High cholesterol 32.0%
Diabetes 7.7%
Heart disease 5.7%
Stroke 2.5%
Asthma 10.3%
Arthritis 26.3%
Kidney disease 2.6%
Pulmonary disease 4.8%
Cancer 8.3%
Behavior / access %
Smoking 10.2%
Binge drinking 15.8%
No physical activity 17.9%
Less than 7 hrs sleep 27.0%
Depression 17.8%
Fair or poor health 8.9%
Poor mental health 11.8%
Poor physical health 7.7%
No health insurance 4.5%
Visited doctor (checkup) 81.4%
Visited dentist 81.1%
Cholesterol screening 93.7%
Teeth loss 7.8%
Veterans & disability
Veterans Count %
Civilian veterans 252 2.6%
Disability %
Any disability 7.7%
Under 18 5.0%
18–64 years 2.1%
65 and over 26.8%
Health insurance coverage
Type %
Private insurance 90.1%
Public insurance 23.8%
No insurance 1.7%
Uninsured under 19 2.6%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 12,159 93.0%
Spanish 615 5.1%
Other Indo-European 106 0.9%
Asian & Pacific Islander 149 1.2%
Other languages 339 2.8%
Place of birth & citizenship
Origin Count %
Native born (US) 11,588 88.6%
Born in same state 11,553 88.4%
Born in different state 9,493 72.6%
Foreign born 35 0.3%
Naturalized citizen 1,484 11.4%
Not a US citizen 1,124 75.7%
Ancestry
Ancestry Count %
Italian 3,402 26%
French 1,713 13.1%
Arab 382 2.9%
German 314 2.4%
Ancestry Count %
Norwegian 130 1%
Dutch 32 0.2%
Polish 24 0.2%
Irish 7 0.1%
Technology access
Metric % of households
Computer access 36.4%
Internet access 95.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 01940
What city is ZIP code 01940 in?
ZIP code 01940 is primarily assigned to Lynnfield, Massachusetts.
What county is ZIP code 01940 in?
ZIP code 01940 falls within Essex County, Massachusetts.
How educated is the population of ZIP code 01940?
61% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Is ZIP code 01940 mostly owner-occupied?
86% of occupied units in ZIP code 01940 are owner-occupied, well above the national average.
What is the median household income in ZIP code 01940?
The median household income in ZIP code 01940 is $157,955, above the national median of ~$75,000.
What is the typical home value in ZIP code 01940?
The median home value in ZIP code 01940 is $851,600.
What timezone is ZIP code 01940 in?
ZIP code 01940 observes the EST timezone.
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