Westborough ZIP Code List — Worcester County, MA

There is one unique ZIP code in Westborough, Massachusetts and it is 01581. Area code: 508/774.

ZIP codes

20.61

sq mi land

0.86

sq mi water

508/774

area code

Westborough, MA ZIP code map

About Westborough, MA

Westborough, Massachusetts, is a charming town located in Worcester County. Known for its rich history and community-oriented atmosphere, it offers a mix of suburban and rural environments. With its single ZIP code of 01581, Westborough serves as a small yet vibrant hub for residents and visitors alike.

Location & geography

Westborough is situated approximately 30 miles west of Boston and about 15 miles southwest of Worcester. The town covers a total area of 21.47 square miles, including 20.61 square miles of land and 0.86 square miles of water. The landscape features a blend of wooded areas, rolling hills, and several bodies of water, creating a picturesque setting.

Community & economy

The character of Westborough is defined by its strong sense of community and local pride. Many residents are employed in various industries, including technology, healthcare, and retail, reflecting a diverse economy. Daily life in Westborough is enriched by community events, recreational facilities, and local businesses that cater to the needs of its inhabitants.

Transportation

Westborough is accessible via major highways such as Interstate 90 (Massachusetts Turnpike) and Interstate 495, which connects residents to greater Massachusetts. The nearest named airport is Worcester Regional Airport, located roughly 20 minutes away. Public transportation options include the Massachusetts Bay Transportation Authority (MBTA) services, making it easier for residents to commute to Boston and surrounding areas.

History

Westborough was founded in the early 18th century, originally populated by farmers and tradespeople. The town's economy has evolved over time, with key industries today including technology and healthcare. Notable events in its history include being a stop along the Underground Railroad during the Civil War era.

Did you know?

One surprising fact about Westborough is that it was once home to the Westborough State Hospital, which played a significant role in the history of mental health treatment in Massachusetts. Additionally, the town is known for its beautiful parks and annual events that promote community engagement and cultural activities.

ZIP codes for Westborough, MA (1)

ZIP code	City	County	Map
01581	Westborough	Worcester	View map

Demographics & statistics

21,360

Population

38.9

Median age

$133,145

Median household income

$67,368

Per capita income

$601,900

Median home value

$1,937

Median monthly rent

60.9%

Home ownership

4.6%

Poverty rate

3.0%

Unemployment

5,440

Housing units

68.8%

Bachelor's or higher

Age distribution

Male Female

617

Under 5

627

732

5–9

744

823

10–14

837

688

15–19

700

390

20–24

396

1,321

25–34

1,342

1,666

35–44

1,693

1,512

45–54

1,536

742

55–59

755

529

60–64

537

913

65–74

927

413

75–84

419

248

85+

253

← Male

Female →

Age summary

Group	Count	%
Under 18	5,419	25.4%
18 and over	15,941	74.6%
65 and over	3,173	14.9%
Median age	38.9 years

Race & ethnicity

White 59.1%

Asian 25.6%

Hispanic or Latino 4.9%

Two or more races 3.8%

Other race 3.4%

Black or African American 3.1%

Group	Count	%
White	13,276	59.1%
Asian	5,741	25.6%
Hispanic or Latino	1,103	4.9%
Two or more races	864	3.8%
Other race	769	3.4%
Black or African American	704	3.1%

Household income

Under $10k 2.5%

$10k–$15k 0.8%

$15k–$25k 3.9%

$25k–$35k 2.5%

$35k–$50k 6.8%

$50k–$75k 11.4%

$75k–$100k 9.0%

$100k–$150k 20.0%

$150k–$200k 10.2%

$200k+ 33.0%

Range	% of households
Under $10k	2.5%
$10k–$15k	0.8%
$15k–$25k	3.9%
$25k–$35k	2.5%
$35k–$50k	6.8%
$50k–$75k	11.4%
$75k–$100k	9.0%
$100k–$150k	20.0%
$150k–$200k	10.2%
$200k+	33.0%
Median income	$133,145

Housing

Home values

Under $50k 0.7%

$50k–$100k 0.7%

$100k–$150k 0.7%

$150k–$200k 1.1%

$200k–$300k 4.9%

$300k–$500k 25.7%

$500k–$1M 59.6%

$1M+ 6.5%

Housing overview

Metric	Value
Median home value	$601,900
Median rent / month	$1,937
Owner occupied	60.9%
Renter occupied	39.1%
Vacant	6.9%
Single-family detached	49.3%
Large apartment buildings	16.4%
Mobile homes	0.1%
Median rooms	5.5
Avg household size (owned)	2.89

Year built

Era	%
2020 or later	0.2%
2010–2019	11.8%
2000–2009	6.5%
1990–1999	14.1%
1980–1989	10.6%
1970–1979	17.0%
1960–1969	13.9%
1950–1959	9.0%
1940–1949	5.5%
1939 or earlier	11.4%

Bedrooms

Size	% of units
No bedroom (studio)	5.3%
1 bedroom	16.9%
2 bedrooms	26.7%
3 bedrooms	22.2%
4 bedrooms	24.3%
5+ bedrooms	4.6%

Vehicles per household

Vehicles	% of households
No vehicle	5.8%
1 vehicle	34.4%
2 vehicles	43.7%
3 or more	16.1%

Heating fuel

Fuel type	%
Utility gas	48.5%
Electricity	26.8%
Propane / LP gas	2.3%
Fuel oil	20.0%
Wood	1.3%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	4,951	62.2%
Cohabiting couple	383	4.8%
Male householder, no spouse	1,179	14.8%
Female householder, no spouse	1,449	18.2%
Households with children under 18	3,101	38.9%
Households with seniors (65+)	1,990	25.0%
Average household size	2.62

Marital status

Status	Male	Female
Never married	28.7%	22.6%
Married	62.0%	61.1%
Separated	0.6%	1.4%
Widowed	2.1%	5.7%
Divorced	6.6%	9.2%

Education

Less than 9th grade 1.5%

Some HS, no diploma 2.6%

HS graduate 11.9%

Some college, no degree 9.5%

Associate's degree 5.7%

Bachelor's degree 32.9%

Graduate / professional 35.9%

Metric	%
HS diploma or higher	95.9%
Bachelor's or higher	68.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	348	6.4%
Kindergarten	259	4.8%
Elementary school	2,480	45.7%
High school	1,296	23.9%
College / grad school	1,040	19.2%

Employment

Industry of employment

Professional & management 24.4%

Education & healthcare 21.6%

Manufacturing 13.9%

Retail trade 10.7%

Arts, food & hospitality 7.8%

Finance & real estate 6.1%

Construction 3.5%

Other services 3.0%

Information 2.7%

Transportation & utilities 2.5%

Public administration 2.2%

Wholesale trade 1.3%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	65.8%
Service	11.3%
Sales & office	14.6%
Natural resources & construction	2.9%
Production & transportation	5.3%

Employment type

Type	%
Private sector	86.3%
Government	9.5%
Self-employed	4.1%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	65.6%
Carpool	5.6%
Public transit	3.3%
Walk	0.8%
Other means	1.6%
Avg commute (minutes)	29.4

Poverty

All people 4.6%

Under 18 years 3.6%

18 and over 4.9%

Married-couple families 2.4%

Female-led households 0.0%

Income support

Source	% of households
Social Security	18.3%
Retirement income	18.9%
Supplemental Security	4.2%
Cash public assistance	1.3%
Food stamps / SNAP	4.0%

Health indicators

Condition	%
High blood pressure	25.8%
High cholesterol	29.5%
Heart disease	4.6%
Stroke	2.0%
Asthma	9.2%
Arthritis	23.3%
Kidney disease	2.1%
Pulmonary disease	3.8%
Cancer	6.8%

Behavior / access	%
Binge drinking	16.0%
No physical activity	17.0%
Less than 7 hrs sleep	30.2%
Fair or poor health	7.7%
Poor mental health	11.3%
Poor physical health	6.4%
No health insurance	4.7%
Visited doctor (checkup)	80.2%
Visited dentist	79.1%
Cholesterol screening	92.6%
Teeth loss	7.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	586	3.7%

Disability	%
Any disability	7.9%
Under 18	1.2%
18–64 years	6.3%
65 and over	26.7%

Health insurance coverage

Type	%
Private insurance	85.9%
Public insurance	23.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	20,116	94.2%
Spanish	2,015	10.0%
Other Indo-European	269	1.3%
Asian & Pacific Islander	910	4.5%
Other languages	740	3.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	15,125	70.8%
Born in same state	14,879	69.7%
Born in different state	9,418	44.1%
Foreign born	246	1.2%
Naturalized citizen	6,235	29.2%
Not a US citizen	2,804	45.0%

Ancestry

Ancestry	Count	%
Italian	3,199	15%
French	1,974	9.2%
Arab	782	3.7%
German	437	2%
English	161	0.8%

Ancestry	Count	%
Polish	53	0.2%
Irish	41	0.2%
Norwegian	30	0.1%
Dutch	26	0.1%

Technology access

Metric	% of households
Computer access	37.3%
Internet access	97.2%

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

Frequently asked questions

What is the ZIP code for Westborough, MA?

Westborough, MA has one ZIP code: 01581.

What is the main ZIP code for Westborough, MA?

The primary ZIP code for Westborough, MA is 01581. The city uses area code 508 or 774 for phone service.

What county is Westborough, MA in?

Westborough is located in Worcester County, Massachusetts.

How many ZIP codes are in Westborough, MA?

Westborough, MA has 1 ZIP code.

What ZIP code covers the Westborough Town Center area and downtown district?

The Westborough Town Center and downtown area are located in ZIP code 01581, which serves as the primary postal code for the central business district and municipal offices.

What is the ZIP code for addresses near the Massachusetts Technology Park in Westborough?

The Massachusetts Technology Park, a major commercial and research facility in Westborough, is served by ZIP code 01581, which covers this industrial and business hub area.