Watertown ZIP Code List — Middlesex County, MA

There are 3 unique ZIP codes in Watertown, Massachusetts. Area code: 617/857.

ZIP codes

4.03

sq mi land

0.13

sq mi water

617/857

area code

Watertown, MA ZIP code map

About Watertown, MA

Watertown, Massachusetts, is a vibrant city located in the heart of Middlesex County. Known for its rich history and strong community spirit, it offers a blend of suburban living with urban conveniences. With a single ZIP code, 02472, Watertown embraces its unique identity and charm.

Location & geography

Watertown is situated just a few miles west of downtown Boston, making it an accessible hub for commuters and residents alike. The city is bordered by several notable communities, including Newton to the south (approximately 2 miles away), Waltham to the northwest (about 3 miles), and Belmont to the east (around 1.5 miles). The land area covers 4.03 square miles with an additional 0.13 square miles of water, providing a mix of residential space and natural beauty.

Community & economy

The character of Watertown is shaped by its diverse population and a strong sense of local pride. The city supports various industries, including healthcare, education, and retail, contributing to the economy and offering ample employment opportunities. Daily life in Watertown includes exploring its numerous parks, local shops along Watertown Square, and community events that foster connection among residents.

Transportation

Watertown is served by major roadways, including the Charles River Road and Arsenal Street, facilitating easy access to nearby highways like the Massachusetts Turnpike. For air travel, Logan International Airport is the nearest major airport, located about 10 miles east of the city. Public transportation is accessible via the Massachusetts Bay Transportation Authority (MBTA), with bus routes connecting Watertown to greater Boston.

History

Founded in the 17th century, Watertown has a rich historical background that includes its significant role during the American Revolution. The city was once a center for manufacturing, particularly during the Industrial Revolution, with various mills and factories contributing to its growth. Additionally, notable events such as the establishment of the Watertown Arsenal in the 1800s marked the city's evolution as a strategic military supply location.

Did you know?

One surprising fact about Watertown is that it was the first Massachusetts town to establish a public library in 1855, enhancing its commitment to education and community resources. Furthermore, the city is known for its historical connection to the Boston Tea Party, with residents actively participating in revolutionary activities in the 1770s.

ZIP codes for Watertown, MA (3)

ZIP code	City	County	Map
02471	Watertown	Middlesex	View map
02472	Watertown	Middlesex	View map
02477	Watertown	Middlesex	View map

Demographics & statistics

35,300

Population

38.2

Median age

$117,584

Median household income

$69,431

Per capita income

$722,000

Median home value

$2,179

Median monthly rent

51.1%

Home ownership

6.4%

Poverty rate

5.7%

Unemployment

8,997

Housing units

66.4%

Bachelor's or higher

Age distribution

Male Female

846

Under 5

927

663

5–9

726

604

10–14

663

678

15–19

743

760

20–24

834

3,716

25–34

4,075

2,601

35–44

2,852

1,846

45–54

2,024

1,099

55–59

1,204

1,070

60–64

1,173

1,759

65–74

1,928

839

75–84

921

357

85+

392

← Male

Female →

Age summary

Group	Count	%
Under 18	5,184	14.7%
18 and over	30,116	85.3%
65 and over	6,196	17.6%
Median age	38.2 years

Race & ethnicity

White 69.2%

Asian 11.1%

Two or more races 6.9%

Hispanic or Latino 6.3%

Black or African American 3.7%

Other race 2.8%

American Indian / Alaska Native 0.1%

Group	Count	%
White	26,057	69.2%
Asian	4,169	11.1%
Two or more races	2,581	6.9%
Hispanic or Latino	2,359	6.3%
Black or African American	1,384	3.7%
Other race	1,058	2.8%
American Indian / Alaska Native	51	0.1%

Household income

Under $10k 4.2%

$10k–$15k 2.3%

$15k–$25k 4.5%

$25k–$35k 2.7%

$35k–$50k 5.6%

$50k–$75k 10.0%

$75k–$100k 12.0%

$100k–$150k 21.3%

$150k–$200k 12.3%

$200k+ 25.1%

Range	% of households
Under $10k	4.2%
$10k–$15k	2.3%
$15k–$25k	4.5%
$25k–$35k	2.7%
$35k–$50k	5.6%
$50k–$75k	10.0%
$75k–$100k	12.0%
$100k–$150k	21.3%
$150k–$200k	12.3%
$200k+	25.1%
Median income	$117,584

Housing

Home values

Under $50k 0.7%

$150k–$200k 0.2%

$200k–$300k 4.3%

$300k–$500k 14.3%

$500k–$1M 65.3%

$1M+ 15.3%

Housing overview

Metric	Value
Median home value	$722,000
Median rent / month	$2,179
Owner occupied	51.1%
Renter occupied	48.9%
Vacant	4.9%
Single-family detached	19.4%
Large apartment buildings	20.7%
Mobile homes	0.0%
Median rooms	5.3
Avg household size (owned)	2.31

Year built

Era	%
2020 or later	0.3%
2010–2019	5.4%
2000–2009	5.6%
1990–1999	1.9%
1980–1989	6.3%
1970–1979	6.1%
1960–1969	9.1%
1950–1959	11.0%
1940–1949	8.4%
1939 or earlier	45.8%

Bedrooms

Size	% of units
No bedroom (studio)	3.6%
1 bedroom	17.4%
2 bedrooms	37.4%
3 bedrooms	26.9%
4 bedrooms	10.8%
5+ bedrooms	4.0%

Vehicles per household

Vehicles	% of households
No vehicle	11.2%
1 vehicle	46.9%
2 vehicles	34.2%
3 or more	7.7%

Heating fuel

Fuel type	%
Utility gas	68.4%
Electricity	11.2%
Propane / LP gas	4.0%
Fuel oil	13.8%
Wood	0.4%
Solar	0.1%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	6,548	40.9%
Cohabiting couple	1,260	7.9%
Male householder, no spouse	3,037	19.0%
Female householder, no spouse	5,154	32.2%
Households with children under 18	3,460	21.6%
Households with seniors (65+)	4,861	30.4%
Average household size	2.19

Marital status

Status	Male	Female
Never married	40.9%	37.2%
Married	49.0%	46.7%
Separated	1.2%	1.1%
Widowed	2.0%	6.0%
Divorced	6.9%	9.0%

Education

Less than 9th grade 3.7%

Some HS, no diploma 1.1%

HS graduate 15.0%

Some college, no degree 8.2%

Associate's degree 5.7%

Bachelor's degree 31.8%

Graduate / professional 34.6%

Metric	%
HS diploma or higher	95.2%
Bachelor's or higher	66.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	361	5.5%
Kindergarten	399	6.1%
Elementary school	1,957	30.0%
High school	1,141	17.5%
College / grad school	2,676	41.0%

Employment

Industry of employment

Education & healthcare 30.9%

Professional & management 22.7%

Manufacturing 6.9%

Retail trade 6.7%

Arts, food & hospitality 6.4%

Finance & real estate 6.1%

Other services 4.9%

Construction 4.6%

Public administration 3.7%

Transportation & utilities 2.8%

Information 2.6%

Wholesale trade 1.4%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	67.8%
Service	9.9%
Sales & office	14.4%
Natural resources & construction	4.6%
Production & transportation	3.3%

Employment type

Type	%
Private sector	83.2%
Government	10.4%
Self-employed	6.3%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	53.1%
Carpool	6.4%
Public transit	8.6%
Walk	5.0%
Other means	4.5%
Avg commute (minutes)	26.6

Poverty

All people 6.4%

Under 18 years 6.3%

18 and over 6.5%

Married-couple families 2.3%

Female-led households 6.5%

Income support

Source	% of households
Social Security	25.7%
Retirement income	19.0%
Supplemental Security	2.2%
Cash public assistance	2.3%
Food stamps / SNAP	5.0%

Health indicators

Condition	%
High blood pressure	24.1%
High cholesterol	25.6%
Heart disease	4.3%
Stroke	2.0%
Asthma	9.6%
Arthritis	19.0%
Kidney disease	2.2%
Pulmonary disease	3.7%
Cancer	6.6%

Behavior / access	%
Binge drinking	17.2%
No physical activity	14.0%
Less than 7 hrs sleep	27.3%
Fair or poor health	7.3%
Poor mental health	12.1%
Poor physical health	6.3%
No health insurance	5.0%
Visited doctor (checkup)	75.2%
Visited dentist	77.4%
Cholesterol screening	91.7%
Teeth loss	7.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,249	4.1%

Disability	%
Any disability	11.2%
Under 18	5.4%
18–64 years	6.8%
65 and over	32.9%

Health insurance coverage

Type	%
Private insurance	81.3%
Public insurance	29.8%
Uninsured under 19	0.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	33,527	95.0%
Spanish	3,349	10.0%
Other Indo-European	512	1.5%
Asian & Pacific Islander	1,714	5.1%
Other languages	604	1.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	26,350	74.6%
Born in same state	25,631	72.6%
Born in different state	16,952	48.0%
Foreign born	719	2.0%
Naturalized citizen	8,950	25.4%
Not a US citizen	4,669	52.2%

Ancestry

Ancestry	Count	%
Italian	6,949	19.7%
French	2,416	6.8%
Arab	1,152	3.3%
German	512	1.5%
Polish	273	0.8%

Ancestry	Count	%
Norwegian	184	0.5%
Dutch	151	0.4%
English	123	0.3%
Irish	92	0.3%

Technology access

Metric	% of households
Computer access	45.3%
Internet access	96.0%

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

Frequently asked questions

What ZIP codes does Watertown, MA have?

Watertown, MA has one ZIP code: 02472. Each ZIP code serves a distinct delivery area within the city and surrounding region.