Lexington ZIP Code List — Middlesex County, MA

There are 2 unique ZIP codes in Lexington, Massachusetts. Area code: 781.

ZIP codes

16.61

sq mi land

0.21

sq mi water

781

area code

Lexington, MA ZIP code map

About Lexington, MA

Lexington, Massachusetts, is a historic town located in Middlesex County. Renowned for its role in the American Revolutionary War, Lexington combines rich history with modern suburban living. The town features a picturesque landscape with a rich variety of outdoor spaces and community amenities.

Location & geography

Lexington is nestled in eastern Massachusetts, approximately 12 miles northwest of Boston. It shares borders with several cities including Woburn to the south, Burlington to the west, and Bedford to the north, providing easy access to various amenities. The town covers a total land area of 16.61 square miles, with a small water area of 0.21 square miles, contributing to its suburban and scenic charm.

Community & economy

The character of Lexington is defined by its vibrant community, diverse population, and dedication to preserving its historical heritage. The local economy includes a mix of retail, healthcare, education, and technology industries, providing residents with a range of job opportunities. Daily life features community events, educational resources, and recreational activities, making it a desirable place for families and professionals alike.

Transportation

Lexington is traversed by several highways, including Massachusetts Route 128 (I-95) and Route 2, providing convenient access to surrounding areas. The nearest major airport is Boston Logan International Airport, located around 20 miles to the southeast. Public transit options include the Massachusetts Bay Transportation Authority (MBTA) bus services, linking residents to the greater Boston area.

History

Lexington was founded in 1642 and is famously known as the site of the first shots fired in the American Revolutionary War on April 19, 1775. The town's economy historically revolved around agriculture and shoemaking, but has since evolved to encompass various sectors, including technology and education. Notable events include the annual reenactment of the Battle of Lexington, which attracts visitors and celebrates the town's storied past.

Did you know?

One surprising fact about Lexington is that it was the first town to include the nickname 'Lexington Minutemen,' referring to the colonial militia that responded to the British troops. Additionally, the town has been home to several notable figures, including the writer Louisa May Alcott.

ZIP codes for Lexington, MA (2)

ZIP code	City	County	Map
02420	Lexington	Middlesex	View map
02421	Lexington	Middlesex	View map

Demographics & statistics

34,221

Population

46.7

Median age

$210,409

Median household income

$102,776

Per capita income

$1,085,000

Median home value

$2,744

Median monthly rent

83.2%

Home ownership

4.1%

Poverty rate

3.8%

Unemployment

10,581

Housing units

83.7%

Bachelor's or higher

Age distribution

Male Female

584

Under 5

628

1,037

5–9

1,114

1,628

10–14

1,748

1,404

15–19

1,509

452

20–24

486

628

25–34

675

1,858

35–44

1,996

3,232

45–54

3,472

1,310

55–59

1,407

906

60–64

974

1,905

65–74

2,047

1,012

75–84

1,086

541

85+

582

← Male

Female →

Age summary

Group	Count	%
Under 18	8,889	26.1%
18 and over	25,332	74.0%
65 and over	7,173	20.9%
Median age	46.7 years

Race & ethnicity

White 56.3%

Asian 30.3%

Two or more races 5.9%

Hispanic or Latino 4.1%

Other race 1.7%

Black or African American 1.7%

Group	Count	%
White	20,085	56.3%
Asian	10,822	30.3%
Two or more races	2,111	5.9%
Hispanic or Latino	1,459	4.1%
Other race	607	1.7%
Black or African American	596	1.7%

Household income

Under $10k 3.1%

$10k–$15k 1.1%

$15k–$25k 2.9%

$25k–$35k 1.6%

$35k–$50k 3.3%

$50k–$75k 5.2%

$75k–$100k 5.7%

$100k–$150k 12.3%

$150k–$200k 13.4%

$200k+ 51.7%

Range	% of households
Under $10k	3.1%
$10k–$15k	1.1%
$15k–$25k	2.9%
$25k–$35k	1.6%
$35k–$50k	3.3%
$50k–$75k	5.2%
$75k–$100k	5.7%
$100k–$150k	12.3%
$150k–$200k	13.4%
$200k+	51.7%
Median income	$210,409

Housing

Home values

Under $50k 0.7%

$50k–$100k 0.3%

$100k–$150k 0.5%

$150k–$200k 0.2%

$200k–$300k 0.7%

$300k–$500k 3.8%

$500k–$1M 35.1%

$1M+ 58.9%

Housing overview

Metric	Value
Median home value	$1,085,000
Median rent / month	$2,744
Owner occupied	83.2%
Renter occupied	16.9%
Vacant	2.8%
Single-family detached	73.9%
Large apartment buildings	6.8%
Mobile homes	0.0%
Median rooms	7.5
Avg household size (owned)	2.83

Year built

Era	%
2020 or later	2.1%
2010–2019	7.3%
2000–2009	9.1%
1990–1999	5.9%
1980–1989	7.4%
1970–1979	7.8%
1960–1969	15.1%
1950–1959	18.1%
1940–1949	5.7%
1939 or earlier	21.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	6.0%
2 bedrooms	15.8%
3 bedrooms	28.7%
4 bedrooms	31.0%
5+ bedrooms	17.9%

Vehicles per household

Vehicles	% of households
No vehicle	4.1%
1 vehicle	26.8%
2 vehicles	52.7%
3 or more	16.5%

Heating fuel

Fuel type	%
Utility gas	48.0%
Electricity	10.9%
Propane / LP gas	4.3%
Fuel oil	35.6%
Solar	0.7%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	8,766	71.1%
Cohabiting couple	342	2.8%
Male householder, no spouse	1,196	9.7%
Female householder, no spouse	2,081	16.5%
Households with children under 18	5,346	43.4%
Households with seniors (65+)	4,701	37.8%
Average household size	2.75

Marital status

Status	Male	Female
Never married	20.4%	22.9%
Married	71.9%	63.6%
Separated	0.8%	0.7%
Widowed	2.6%	6.7%
Divorced	4.4%	6.2%

Education

Less than 9th grade 0.8%

Some HS, no diploma 1.3%

HS graduate 5.5%

Some college, no degree 5.3%

Associate's degree 3.5%

Bachelor's degree 25.4%

Graduate / professional 58.4%

Metric	%
HS diploma or higher	97.9%
Bachelor's or higher	83.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	515	5.3%
Kindergarten	294	3.1%
Elementary school	4,664	48.3%
High school	2,917	30.2%
College / grad school	1,274	13.2%

Employment

Industry of employment

Education & healthcare 26.9%

Professional & management 26.8%

Manufacturing 14.8%

Finance & real estate 9.2%

Arts, food & hospitality 5.2%

Retail trade 5.0%

Information 3.1%

Other services 2.4%

Public administration 2.2%

Transportation & utilities 1.6%

Wholesale trade 1.4%

Construction 1.1%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	79.4%
Service	6.1%
Sales & office	10.8%
Natural resources & construction	1.5%
Production & transportation	2.4%

Employment type

Type	%
Private sector	85.1%
Government	7.3%
Self-employed	7.6%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	57.8%
Carpool	4.8%
Public transit	5.4%
Walk	1.9%
Other means	2.1%
Avg commute (minutes)	31.3

Poverty

All people 4.1%

Under 18 years 3.5%

18 and over 4.4%

Married-couple families 1.5%

Female-led households 26.7%

Income support

Source	% of households
Social Security	29.0%
Retirement income	20.7%
Supplemental Security	1.5%
Cash public assistance	2.1%
Food stamps / SNAP	2.9%

Health indicators

Condition	%
High blood pressure	28.1%
High cholesterol	32.5%
Heart disease	5.1%
Stroke	2.1%
Asthma	8.6%
Arthritis	22.0%
Kidney disease	2.5%
Pulmonary disease	3.5%
Cancer	8.5%

Behavior / access	%
Binge drinking	13.4%
No physical activity	12.8%
Less than 7 hrs sleep	25.1%
Fair or poor health	6.5%
Poor mental health	9.2%
Poor physical health	5.9%
No health insurance	3.2%
Visited doctor (checkup)	79.5%
Visited dentist	82.4%
Cholesterol screening	95.5%
Teeth loss	5.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	949	3.8%

Disability	%
Any disability	7.6%
Under 18	3.8%
18–64 years	4.4%
65 and over	20.6%

Health insurance coverage

Type	%
Private insurance	90.3%
Public insurance	23.1%
Uninsured under 19	0.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	33,009	96.4%
Spanish	2,397	7.2%
Other Indo-European	149	0.5%
Asian & Pacific Islander	451	1.4%
Other languages	1,753	5.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	22,964	67.2%
Born in same state	22,276	65.2%
Born in different state	12,449	36.5%
Foreign born	688	2.1%
Naturalized citizen	11,257	32.8%
Not a US citizen	6,915	61.4%

Ancestry

Ancestry	Count	%
Italian	3,702	10.8%
French	2,940	8.6%
Arab	1,069	3.1%
Polish	543	1.6%
German	519	1.5%

Ancestry	Count	%
Irish	275	0.8%
English	273	0.8%
Norwegian	234	0.7%
Dutch	144	0.4%

Technology access

Metric	% of households
Computer access	36.1%
Internet access	97.4%

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

Frequently asked questions

What ZIP codes does Lexington, MA have?

Lexington, MA has two ZIP codes: 02420 and 02421. Each ZIP code serves a distinct delivery area within the city and surrounding region.