Waltham ZIP Code List — Middlesex County, MA

There are 4 unique ZIP codes in Waltham, Massachusetts. Area code: 781/617/339/978.

ZIP codes

12.73

sq mi land

1.02

sq mi water

781/617/339/978

area code

Waltham, MA ZIP code map

About Waltham, MA

Waltham, Massachusetts, is a vibrant city located in Middlesex County. Known for its rich history and diverse community, Waltham is a blend of urban and suburban living. This city offers a unique mix of cultural attractions and natural beauty, making it an appealing place to live or visit.

Location & geography

Waltham is situated approximately 10 miles west of downtown Boston and is bordered by several cities including Newton to the east, Watertown to the south, and Lexington to the north. The city covers a land area of 25.45 square miles and includes 2.03 square miles of water, providing residents with both land-based and aquatic recreational opportunities. The terrain is characterized by rolling hills and scenic waterways, including the Charles River, which runs along the city’s borders.

Community & economy

The character of Waltham is defined by its strong sense of community, with a blend of long-time residents and newcomers. Major industries in the city include manufacturing, education, and technology, contributing to a dynamic local economy. Daily life in Waltham is enriched by a variety of shops, restaurants, and parks, fostering an active and engaged community atmosphere.

Transportation

Waltham is served by several major highways, including Interstate 95 and the Massachusetts Turnpike, making it easily accessible by car. The nearest airport is Logan International Airport in Boston, which is approximately 15 miles away. Public transit options include the MBTA commuter rail and bus services, providing convenient access to surrounding areas.

History

Waltham was founded in 1634 and quickly became known as a center for the watchmaking industry, earning the nickname 'Watch City.' Over the years, the city has been home to numerous key events, such as the establishment of Brandeis University in 1948, which added a significant educational presence. Waltham's historical significance is also highlighted by landmarks like the Waltham Historic District, which showcases its rich architectural heritage.

Did you know?

One surprising fact about Waltham is that it was once the site of the world's first-ever synthetic shoe factory. Additionally, Waltham is home to several annual events that celebrate its cultural diversity, including the Waltham Oktoberfest.

ZIP codes for Waltham, MA (4)

ZIP code	City	County	Map
02451	Waltham	Middlesex	View map
02452	Waltham	Middlesex	View map
02453	Waltham	Middlesex	View map
02454	Waltham	Middlesex	View map

Demographics & statistics

64,574

Population

35.0

Median age

$112,051

Median household income

$56,722

Per capita income

$686,167

Median home value

$2,239

Median monthly rent

50.1%

Home ownership

9.3%

Poverty rate

3.0%

Unemployment

13,473

Housing units

55.8%

Bachelor's or higher

Age distribution

Male Female

1,589

Under 5

1,631

1,088

5–9

1,117

1,008

10–14

1,034

2,372

15–19

2,435

4,011

20–24

4,118

6,041

25–34

6,203

4,031

35–44

4,139

3,026

45–54

3,107

2,064

55–59

2,120

1,545

60–64

1,587

2,895

65–74

2,972

1,642

75–84

1,685

550

85+

564

← Male

Female →

Age summary

Group	Count	%
Under 18	8,595	13.3%
18 and over	55,979	86.7%
65 and over	10,308	16.4%
Median age	35.0 years

Race & ethnicity

White 59%

Asian 11.7%

Hispanic or Latino 10%

Two or more races 6.8%

Black or African American 6.4%

Other race 5.6%

American Indian / Alaska Native 0.5%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	42,346	59%
Asian	8,361	11.7%
Hispanic or Latino	7,178	10%
Two or more races	4,856	6.8%
Black or African American	4,599	6.4%
Other race	4,010	5.6%
American Indian / Alaska Native	341	0.5%
Native Hawaiian / Pacific Islander	61	0.1%

Household income

Under $10k 2.7%

$10k–$15k 2.8%

$15k–$25k 4.7%

$25k–$35k 6.5%

$35k–$50k 8.0%

$50k–$75k 9.0%

$75k–$100k 11.0%

$100k–$150k 19.8%

$150k–$200k 13.3%

$200k+ 22.1%

Range	% of households
Under $10k	2.7%
$10k–$15k	2.8%
$15k–$25k	4.7%
$25k–$35k	6.5%
$35k–$50k	8.0%
$50k–$75k	9.0%
$75k–$100k	11.0%
$100k–$150k	19.8%
$150k–$200k	13.3%
$200k+	22.1%
Median income	$112,051

Housing

Home values

Under $50k 0.6%

$50k–$100k 0.5%

$100k–$150k 0.2%

$150k–$200k 0.2%

$200k–$300k 1.4%

$300k–$500k 16.7%

$500k–$1M 72.2%

$1M+ 8.3%

Housing overview

Metric	Value
Median home value	$686,167
Median rent / month	$2,239
Owner occupied	50.1%
Renter occupied	49.9%
Vacant	3.7%
Single-family detached	37.3%
Large apartment buildings	13.2%
Mobile homes	0.1%
Median rooms	4.9
Avg household size (owned)	2.30

Year built

Era	%
2020 or later	0.1%
2010–2019	5.8%
2000–2009	7.8%
1990–1999	7.9%
1980–1989	8.4%
1970–1979	12.4%
1960–1969	12.2%
1950–1959	15.6%
1940–1949	6.8%
1939 or earlier	23.0%

Bedrooms

Size	% of units
No bedroom (studio)	2.6%
1 bedroom	19.1%
2 bedrooms	34.6%
3 bedrooms	30.1%
4 bedrooms	11.0%
5+ bedrooms	2.6%

Vehicles per household

Vehicles	% of households
No vehicle	7.4%
1 vehicle	40.2%
2 vehicles	40.1%
3 or more	12.3%

Heating fuel

Fuel type	%
Utility gas	52.7%
Electricity	22.3%
Propane / LP gas	2.6%
Fuel oil	21.1%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	9,920	38.0%
Cohabiting couple	2,829	10.4%
Male householder, no spouse	5,804	21.7%
Female householder, no spouse	7,518	29.9%
Households with children under 18	4,782	18.6%
Households with seniors (65+)	7,738	31.0%
Average household size	2.22

Marital status

Status	Male	Female
Never married	50.9%	45.4%
Married	39.2%	35.7%
Separated	1.3%	1.3%
Widowed	2.6%	8.6%
Divorced	5.9%	9.0%

Education

Less than 9th grade 3.9%

Some HS, no diploma 3.1%

HS graduate 18.7%

Some college, no degree 11.8%

Associate's degree 6.6%

Bachelor's degree 29.2%

Graduate / professional 26.6%

Metric	%
HS diploma or higher	92.9%
Bachelor's or higher	55.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	1,066	5.6%
Kindergarten	511	2.9%
Elementary school	3,360	20.4%
High school	1,560	8.9%
College / grad school	11,149	62.2%

Employment

Industry of employment

Education & healthcare 28.7%

Professional & management 17.9%

Manufacturing 11.4%

Retail trade 9.0%

Finance & real estate 7.1%

Arts, food & hospitality 6.1%

Construction 5.2%

Other services 4.8%

Public administration 3.2%

Information 2.5%

Transportation & utilities 2.4%

Wholesale trade 1.4%

Occupation

Category	%
Management, business & arts	57.6%
Service	14.4%
Sales & office	16.7%
Natural resources & construction	5.4%
Production & transportation	5.9%

Employment type

Type	%
Private sector	84.2%
Government	10.7%
Self-employed	4.9%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	57.1%
Carpool	11.2%
Public transit	4.7%
Walk	6.2%
Other means	2.3%
Avg commute (minutes)	24.8

Poverty

All people 9.3%

Under 18 years 9.8%

18 and over 9.1%

Married-couple families 3.3%

Female-led households 9.5%

Income support

Source	% of households
Social Security	27.5%
Retirement income	19.3%
Supplemental Security	5.6%
Cash public assistance	1.8%
Food stamps / SNAP	5.9%

Health indicators

Condition	%
High blood pressure	23.1%
High cholesterol	25.5%
Heart disease	4.1%
Stroke	2.0%
Asthma	9.9%
Arthritis	17.5%
Kidney disease	2.1%
Pulmonary disease	3.8%
Cancer	5.6%

Behavior / access	%
Binge drinking	17.6%
No physical activity	15.8%
Less than 7 hrs sleep	28.4%
Fair or poor health	8.2%
Poor mental health	13.3%
Poor physical health	6.6%
No health insurance	6.4%
Visited doctor (checkup)	74.4%
Visited dentist	74.2%
Cholesterol screening	88.9%
Teeth loss	9.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,392	2.5%

Disability	%
Any disability	10.1%
Under 18	2.1%
18–64 years	7.4%
65 and over	28.7%

Health insurance coverage

Type	%
Private insurance	80.6%
Public insurance	30.1%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	61,354	95.1%
Spanish	5,970	9.5%
Other Indo-European	2,485	3.7%
Asian & Pacific Islander	1,618	2.8%
Other languages	1,657	2.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	48,047	74.2%
Born in same state	46,681	72.1%
Born in different state	32,238	50.0%
Foreign born	1,366	2.1%
Naturalized citizen	16,527	25.8%
Not a US citizen	7,356	47.4%

Ancestry

Ancestry	Count	%
Italian	11,073	17.1%
French	5,009	7.8%
German	2,242	3.5%
Arab	1,548	2.4%
Polish	297	0.5%

Ancestry	Count	%
Norwegian	293	0.5%
Irish	228	0.4%
English	155	0.2%
Dutch	58	0.1%

Technology access

Metric	% of households
Computer access	39.8%
Internet access	95.2%

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

Frequently asked questions

What ZIP codes does Waltham, MA have?

Waltham, MA has 3 ZIP codes: 02451, 02452, and 02453. Each ZIP code serves a distinct delivery area within the city and surrounding region.