01776 ZIP Code — Sudbury, MA

Middlesex County, Massachusetts

ZIP code 01776 is located in Sudbury, Massachusetts, within Middlesex County. It covers approximately 24.41 square miles and serves a population of 18,926 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 978.

About ZIP code 01776

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $892,700. Owner-occupancy is high at 92%, well above the national average.

The gap between median ($234,427) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. An above-average commute of 37 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 29% of workers work from home.

Educational attainment is high — 84% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 01776 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

18,926

population

24.41

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

01776 ZIP code map

Cities in ZIP code 01776

Below are the cities the US Postal Service accepts for ZIP code 01776. Using any city not on this list may result in mail delivery delays.

City	Status
Sudbury	Acceptable
Sudbury	Preferred

Nearby ZIP codes

01754 Maynard (3.3 mi) 01778 Wayland (3.6 mi) 01701 Framingham (4.6 mi) 01775 Stow (5 mi) 01742 Concord (5.8 mi) 01749 Hudson (5.9 mi) 01773 Lincoln (6.2 mi) 01720 Acton (6.6 mi) 01752 Marlborough (7.2 mi) 01702 Framingham (7.7 mi) 01745 Fayville (7.8 mi) 01760 Natick (7.9 mi)

Demographics updated 05/2026

Population
Total population	18,926
Population density	775 / sq mi
State FIPS	25
County FIPS	017

Geography
Land area	24.41 sq mi
Water area	0.48 sq mi
Latitude	42.3888
Longitude	-71.4230
Timezone	Eastern (ET)
Area code	978

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	10.0%	23.8%	31.3%
$50k – $100k	13.9%	23.1%	25.9%
$100k – $200k	29.2%	32.1%	28.5%
Over $200k	46.9%	20.9%	14.3%

Demographics & statistics

18,926

Population

775

People per sq mi

43.8

Median age

$234,427

Median household income

$97,080

Per capita income

$892,700

Median home value

$2,013

Median monthly rent

92.1%

Home ownership

1.5%

Poverty rate

4.8%

Unemployment

5,930

Housing units

83.6%

Bachelor's or higher

Age distribution

Male Female

597

Under 5

612

687

5–9

705

780

10–14

800

780

15–19

801

278

20–24

285

604

25–34

621

1,122

35–44

1,151

1,590

45–54

1,633

901

55–59

926

543

60–64

558

780

65–74

801

421

75–84

433

255

85+

262

← Male

Female →

Age summary

Group	Count	%
Under 18	5,348	28.3%
18 and over	13,578	71.7%
65 and over	2,952	15.6%
Median age	43.8 years

Race & ethnicity

White 80.9%

Asian 9.9%

Two or more races 4.9%

Hispanic or Latino 1.7%

Black or African American 1.5%

Other race 0.9%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	15,570	80.9%
Asian	1,911	9.9%
Two or more races	946	4.9%
Hispanic or Latino	329	1.7%
Black or African American	297	1.5%
Other race	172	0.9%
Native Hawaiian / Pacific Islander	23	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	10.0%	23.8%	31.3%
$50k – $100k	13.9%	23.1%	25.9%
$100k – $200k	29.2%	32.1%	28.5%
Over $200k	46.9%	20.9%	14.3%

Under $10k 1.2%

$10k–$15k 1.2%

$15k–$25k 1.0%

$25k–$35k 2.2%

$35k–$50k 3.1%

$50k–$75k 2.6%

$75k–$100k 7.6%

$100k–$150k 8.9%

$150k–$200k 8.8%

$200k+ 63.2%

Range	% of households
Under $10k	1.2%
$10k–$15k	1.2%
$15k–$25k	1.0%
$25k–$35k	2.2%
$35k–$50k	3.1%
$50k–$75k	2.6%
$75k–$100k	7.6%
$100k–$150k	8.9%
$150k–$200k	8.8%
$200k+	63.2%
Median income	$234,427

Housing

Home values

Under $50k 0.3%

$50k–$100k 0.5%

$100k–$150k 0.3%

$150k–$200k 0.4%

$200k–$300k 0.3%

$300k–$500k 5.9%

$500k–$1M 57.1%

$1M+ 35.2%

Housing overview

Metric	Value
Median home value	$892,700
Median rent / month	$2,013
Owner occupied	92.1%
Renter occupied	7.9%
Vacant	1.7%
Single-family detached	86.4%
Large apartment buildings	1.7%
Mobile homes	0.0%
Median rooms	10.0
Avg household size (owned)	3.07

Year built

Era	%
2020 or later	0.9%
2010–2019	8.5%
2000–2009	11.9%
1990–1999	12.8%
1980–1989	9.7%
1970–1979	11.5%
1960–1969	18.2%
1950–1959	17.5%
1940–1949	2.6%
1939 or earlier	6.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	2.8%
2 bedrooms	11.0%
3 bedrooms	25.9%
4 bedrooms	46.3%
5+ bedrooms	13.4%

Vehicles per household

Vehicles	% of households
No vehicle	2.3%
1 vehicle	15.9%
2 vehicles	52.5%
3 or more	29.3%

Heating fuel

Fuel type	%
Utility gas	62.1%
Electricity	6.4%
Propane / LP gas	4.8%
Fuel oil	26.4%
Solar	0.2%

Households & families

Household type	Count	%
Married-couple family	4,775	75.5%
Cohabiting couple	297	4.7%
Male householder, no spouse	308	4.9%
Female householder, no spouse	943	14.9%
Households with children under 18	2,851	45.1%
Households with seniors (65+)	2,029	32.1%
Average household size	2.97

Marital status

Status	Male	Female
Never married	21.6%	21.5%
Married	72.8%	63.7%
Separated	0.1%	0.7%
Widowed	1.0%	6.6%
Divorced	4.5%	7.5%

Education

Less than 9th grade 0.6%

Some HS, no diploma 0.7%

HS graduate 6.8%

Some college, no degree 5.8%

Associate's degree 2.5%

Bachelor's degree 37.5%

Graduate / professional 46.1%

Metric	%
HS diploma or higher	98.7%
Bachelor's or higher	83.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	584	10.7%
Kindergarten	205	3.8%
Elementary school	2,439	44.7%
High school	1,659	30.4%
College / grad school	575	10.5%

Employment

Industry of employment

Professional & management 30.6%

Education & healthcare 19.9%

Finance & real estate 11.3%

Manufacturing 10.1%

Retail trade 8.2%

Arts, food & hospitality 3.6%

Wholesale trade 3.5%

Other services 3.2%

Information 2.9%

Construction 2.4%

Public administration 2.3%

Transportation & utilities 1.8%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	75.9%
Service	4.0%
Sales & office	15.7%
Natural resources & construction	1.9%
Production & transportation	2.5%

Employment type

Type	%
Private sector	86.2%
Government	7.2%
Self-employed	6.5%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	61.5%
Carpool	4.2%
Public transit	2.9%
Walk	0.8%
Work from home	28.9%
Other means	1.8%
Avg commute (minutes)	37.4

Poverty

All people 1.5%

Under 18 years 0.6%

18 and over 1.8%

Married-couple families 0.6%

Female-led households 8.1%

Income support

Source	% of households
Social Security	26.7%
Retirement income	23.8%
Supplemental Security	2.2%
Cash public assistance	0.9%
Food stamps / SNAP	1.9%

Health indicators

Condition	%
Obesity	20.2%
High blood pressure	26.2%
High cholesterol	31.0%
Diabetes	6.8%
Heart disease	4.5%
Stroke	1.9%
Asthma	9.2%
Arthritis	20.8%
Kidney disease	2.2%
Pulmonary disease	3.5%
Cancer	7.5%

Behavior / access	%
Smoking	7.2%
Binge drinking	15.9%
No physical activity	12.2%
Less than 7 hrs sleep	25.8%
Depression	16.3%
Fair or poor health	6.4%
Poor mental health	10.4%
Poor physical health	6.1%
No health insurance	3.4%
Visited doctor (checkup)	77.8%
Visited dentist	82.2%
Cholesterol screening	95.1%
Teeth loss	5.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	326	2.4%

Disability	%
Any disability	5.8%
Under 18	1.3%
18–64 years	4.0%
65 and over	20.8%

Health insurance coverage

Type	%
Private insurance	93.1%
Public insurance	18.3%
No insurance	0.8%
Uninsured under 19	0.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,717	93.6%
Spanish	339	1.9%
Other Indo-European	24	0.1%
Asian & Pacific Islander	143	0.8%
Other languages	172	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	16,705	88.3%
Born in same state	16,459	87.0%
Born in different state	9,631	50.9%
Foreign born	246	1.3%
Naturalized citizen	2,221	11.7%
Not a US citizen	1,590	71.6%

Ancestry

Ancestry	Count	%
Italian	3,543	18.7%
French	2,790	14.7%
Arab	836	4.4%
German	399	2.1%
Dutch	306	1.6%

Ancestry	Count	%
English	252	1.3%
Norwegian	104	0.5%
Polish	90	0.5%
Irish	78	0.4%

Technology access

Metric	% of households
Computer access	33.4%
Internet access	99.1%

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

Frequently asked questions about ZIP code 01776

What city is ZIP code 01776 in?

ZIP code 01776 is primarily assigned to Sudbury, Massachusetts.

What county is ZIP code 01776 in?

ZIP code 01776 falls within Middlesex County, Massachusetts.

How educated is the population of ZIP code 01776?

84% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 01776 mostly owner-occupied?

92% of occupied units in ZIP code 01776 are owner-occupied, well above the national average.

What is the median household income in ZIP code 01776?

The median household income in ZIP code 01776 is $234,427, above the national median of ~$75,000.

What is the typical home value in ZIP code 01776?

The median home value in ZIP code 01776 is $892,700.

What timezone is ZIP code 01776 in?

ZIP code 01776 observes the EST timezone.