01904 ZIP Code — Lynn, MA

Essex County, Massachusetts

ZIP code 01904 is located in Lynn, Massachusetts, within Essex County. It covers approximately 4.25 square miles and serves a population of 20,078 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 978/508.

About ZIP code 01904

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $473,700. Owner-occupancy is high at 81%, well above the national average.

Median household income is $94,809. 34% 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 31 minutes is near the national average.

Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.

Overall, ZIP code 01904 reflects a community defined by high homeownership and a significant Social Security-dependent population.

20,078

population

4.25

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

01904 ZIP code map

Cities in ZIP code 01904

Below are the cities the US Postal Service accepts for ZIP code 01904. Using any city not on this list may result in mail delivery delays.

City	Status
Lynn	Acceptable
Lynn	Preferred

Nearby ZIP codes

01905 Lynn (1.1 mi) 01902 Lynn (1.7 mi) 01910 Lynn (1.8 mi) 01901 Lynn (2.3 mi) 01960 Peabody (3 mi) 01970 Salem (3.6 mi) 01940 Lynnfield (4.6 mi) 01880 Wakefield (5.1 mi) 01945 Marblehead (5.4 mi) 01923 Danvers (6.1 mi) 01867 Reading (7.5 mi) 01915 Beverly (7.8 mi)

Demographics updated 05/2026

Population
Total population	20,078
Population density	4,724 / sq mi
State FIPS	25
County FIPS	009

Geography
Land area	4.25 sq mi
Water area	0.50 sq mi
Latitude	42.4892
Longitude	-70.9689
Timezone	Eastern (ET)
Area code	978/508

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.9%	32.1%	31.3%
$50k – $100k	26.0%	26.4%	25.9%
$100k – $200k	35.6%	27.2%	28.5%
Over $200k	10.5%	14.3%	14.3%

Demographics & statistics

20,078

Population

4,724

People per sq mi

40.8

Median age

$94,809

Median household income

$41,784

Per capita income

$473,700

Median home value

$1,489

Median monthly rent

81.4%

Home ownership

8.2%

Poverty rate

5.2%

Unemployment

5,921

Housing units

30.6%

Bachelor's or higher

Age distribution

Male Female

576

Under 5

540

582

5–9

544

573

10–14

536

744

15–19

696

667

20–24

624

1,080

25–34

1,012

1,450

35–44

1,358

1,571

45–54

1,471

684

55–59

641

730

60–64

683

1,033

65–74

968

526

75–84

493

153

85+

143

← Male

Female →

Age summary

Group	Count	%
Under 18	4,330	21.6%
18 and over	15,748	78.4%
65 and over	3,316	16.5%
Median age	40.8 years

Race & ethnicity

White 58%

Hispanic or Latino 15.4%

Other race 11.9%

Two or more races 5.1%

Asian 4.7%

Black or African American 4.5%

Native Hawaiian / Pacific Islander 0.3%

American Indian / Alaska Native 0.1%

Group	Count	%
White	13,754	58%
Hispanic or Latino	3,655	15.4%
Other race	2,827	11.9%
Two or more races	1,220	5.1%
Asian	1,115	4.7%
Black or African American	1,064	4.5%
Native Hawaiian / Pacific Islander	82	0.3%
American Indian / Alaska Native	16	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.9%	32.1%	31.3%
$50k – $100k	26.0%	26.4%	25.9%
$100k – $200k	35.6%	27.2%	28.5%
Over $200k	10.5%	14.3%	14.3%

Under $10k 3.1%

$10k–$15k 2.1%

$15k–$25k 5.8%

$25k–$35k 3.6%

$35k–$50k 7.9%

$50k–$75k 16.1%

$75k–$100k 13.4%

$100k–$150k 19.2%

$150k–$200k 14.1%

$200k+ 14.7%

Range	% of households
Under $10k	3.1%
$10k–$15k	2.1%
$15k–$25k	5.8%
$25k–$35k	3.6%
$35k–$50k	7.9%
$50k–$75k	16.1%
$75k–$100k	13.4%
$100k–$150k	19.2%
$150k–$200k	14.1%
$200k+	14.7%
Median income	$94,809

Housing

Home values

Under $50k 2.4%

$50k–$100k 0.7%

$100k–$150k 0.1%

$150k–$200k 1.5%

$200k–$300k 3.5%

$300k–$500k 50.6%

$500k–$1M 40.9%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$473,700
Median rent / month	$1,489
Owner occupied	81.4%
Renter occupied	18.6%
Vacant	2.2%
Single-family detached	71.1%
Large apartment buildings	8.8%
Mobile homes	0.1%
Median rooms	6.0
Avg household size (owned)	2.85

Year built

Era	%
2020 or later	0.2%
2010–2019	2.1%
2000–2009	6.6%
1990–1999	6.0%
1980–1989	9.7%
1970–1979	4.3%
1960–1969	10.1%
1950–1959	10.8%
1940–1949	9.1%
1939 or earlier	41.1%

Bedrooms

Size	% of units
No bedroom (studio)	3.1%
1 bedroom	6.5%
2 bedrooms	23.9%
3 bedrooms	41.8%
4 bedrooms	17.8%
5+ bedrooms	6.9%

Vehicles per household

Vehicles	% of households
No vehicle	5.7%
1 vehicle	30.8%
2 vehicles	42.3%
3 or more	21.2%

Heating fuel

Fuel type	%
Utility gas	57.5%
Electricity	10.0%
Propane / LP gas	1.7%
Fuel oil	28.3%
Wood	0.3%
Solar	0.1%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	3,721	52.6%
Cohabiting couple	455	6.4%
Male householder, no spouse	992	14.0%
Female householder, no spouse	1,909	27.0%
Households with children under 18	2,487	35.1%
Households with seniors (65+)	2,585	36.5%
Average household size	2.83

Marital status

Status	Male	Female
Never married	41.9%	34.9%
Married	48.9%	45.1%
Separated	1.0%	1.2%
Widowed	2.0%	9.7%
Divorced	6.2%	9.1%

Education

Less than 9th grade 7.7%

Some HS, no diploma 7.0%

HS graduate 27.6%

Some college, no degree 17.9%

Associate's degree 9.2%

Bachelor's degree 18.5%

Graduate / professional 12.1%

Metric	%
HS diploma or higher	85.3%
Bachelor's or higher	30.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	188	3.9%
Kindergarten	175	3.7%
Elementary school	1,839	38.5%
High school	1,198	25.1%
College / grad school	1,380	28.9%

Employment

Industry of employment

Education & healthcare 24.6%

Retail trade 13.3%

Professional & management 13.1%

Manufacturing 8.5%

Other services 8.4%

Arts, food & hospitality 7.2%

Public administration 5.9%

Transportation & utilities 5.8%

Construction 5.4%

Finance & real estate 4.3%

Wholesale trade 2.4%

Information 1.1%

Occupation

Category	%
Management, business & arts	39.4%
Service	17.4%
Sales & office	22.6%
Natural resources & construction	8.7%
Production & transportation	11.8%

Employment type

Type	%
Private sector	80.6%
Government	14.3%
Self-employed	5.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	70.0%
Carpool	11.4%
Public transit	4.3%
Walk	1.8%
Work from home	10.8%
Other means	1.6%
Avg commute (minutes)	30.7

Poverty

All people 8.2%

Under 18 years 17.0%

18 and over 5.8%

Married-couple families 3.5%

Female-led households 14.9%

Income support

Source	% of households
Social Security	33.8%
Retirement income	26.2%
Supplemental Security	2.7%
Cash public assistance	1.1%
Food stamps / SNAP	12.5%

Health indicators

Condition	%
Obesity	27.7%
High blood pressure	28.0%
High cholesterol	30.1%
Diabetes	8.7%
Heart disease	5.9%
Stroke	2.8%
Asthma	11.5%
Arthritis	25.8%
Kidney disease	2.7%
Pulmonary disease	6.1%
Cancer	6.7%

Behavior / access	%
Smoking	15.4%
Binge drinking	16.5%
No physical activity	24.3%
Less than 7 hrs sleep	30.9%
Depression	19.9%
Fair or poor health	13.0%
Poor mental health	14.7%
Poor physical health	9.8%
No health insurance	8.6%
Visited doctor (checkup)	79.5%
Visited dentist	72.3%
Cholesterol screening	90.0%
Teeth loss	13.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	778	4.9%

Disability	%
Any disability	10.1%
Under 18	2.8%
18–64 years	7.8%
65 and over	28.5%

Health insurance coverage

Type	%
Private insurance	73.6%
Public insurance	37.8%
No insurance	2.7%
Uninsured under 19	0.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	18,962	94.4%
Spanish	2,413	12.7%
Other Indo-European	1,721	9.1%
Asian & Pacific Islander	324	1.7%
Other languages	358	1.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	15,614	77.8%
Born in same state	15,325	76.3%
Born in different state	13,913	69.3%
Foreign born	289	1.4%
Naturalized citizen	4,464	22.2%
Not a US citizen	2,511	56.3%

Ancestry

Ancestry	Count	%
Italian	4,635	23.1%
French	1,388	6.9%
German	967	4.8%
Arab	626	3.1%

Ancestry	Count	%
Polish	81	0.4%
Irish	21	0.1%
Norwegian	18	0.1%
Dutch	7	0%

Technology access

Metric	% of households
Computer access	35.2%
Internet access	92.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 01904

What city is ZIP code 01904 in?

ZIP code 01904 is primarily assigned to Lynn, Massachusetts.

What county is ZIP code 01904 in?

ZIP code 01904 falls within Essex County, Massachusetts.

Is ZIP code 01904 mostly owner-occupied?

81% of occupied units in ZIP code 01904 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 01904?

The median home value in ZIP code 01904 is $473,700.

What is the population of ZIP code 01904?

ZIP code 01904 has an estimated population of 20,078 residents, with a density of 4,730 people per square mile.

What is the median household income in ZIP code 01904?

The median household income in ZIP code 01904 is $94,809, above the national median of ~$75,000.

What timezone is ZIP code 01904 in?

ZIP code 01904 observes the EST timezone.