Postal Codes

01776 ZIP Code

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ZIP code 01776 covers Sudbury, Massachusetts, with a population of about 19,067 and a median household income of $234,634.

Population
19,067781 per square mile
Median age
43.54.8 points above the US average
Median household income
$234,6342.3× the Massachusetts median
Poverty rate
2.6%9.8 points below the US average
Typical home value
$1,161,432up 31.3% in five years
Degree or higher
84.4%49.4 points above the US average
Homeownership
90.2%25.2 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
545

Where 01776 is

Sudbury, Massachusetts — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population19,067
Median age43.5
Family households83.8%
Born outside the US12.6%
Speaks a language other than English at home13.6%
White (non-Hispanic)79.4%
Black (non-Hispanic)1.2%
Asian (non-Hispanic)10.3%
Hispanic or Latino3.6%
Veterans2.2%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$234,634
Income per person$96,780
Poverty rate2.6%
Households on SNAP or cash assistance3.6%

Household income distribution

Under $10k1.1%
$10–15k1.2%
$15–20k1.3%
$20–25k0.7%
$25–30k1.6%
$30–35k0.3%
$35–40k1.4%
$40–45k1.9%
$45–50k0.9%
$50–60k0.8%
$60–75k1.7%
$75–100k5.5%
$100–125k4.9%
$125–150k4.3%
$150–200k10.1%
$200k or more62.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed8,950
Mean adjusted gross income$275,008
Returns declaring $200,000 or more42.2%
Returns, under $25k20.6%
Returns, $25k–$50k8.3%
Returns, $50k–$75k6.7%
Returns, $75k–$100k5.7%
Returns, $100k–$200k16.5%
Returns, $200k or more42.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$939,400
Rent as a share of household income27.5%
Owner-occupied90.2%
Vacant homes1.8%
Median year built1975

What the homes are

Detached house84.7%
Attached house8.3%
2 to 4 units1.6%
5 to 19 units2.4%
20 or more units3.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$1,161,432as of 2026-07
Typical home value, 1 yearup 0.5%
Typical home value, 5 yearsup 31.3%
Typical home value, 10 yearsup 67.6%
Typical home value since 2000
200020132026$1,161,432$453,621

$453,621 in 2000 to $1,161,432 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5%
Bachelor's degree or higher84.4%
High school diploma or higher98.5%
Works from home31.2%
Drives to work alone59.9%
Takes public transport1.5%
Commutes 45 minutes or more31.8%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity22.1% 11.3 pts below the national average of 33.4%
Diagnosed diabetes7.8% 4.2 pts below the national average of 12%
Currently smokes6.4% 6.8 pts below the national average of 13.2%
High blood pressure27.9% 6.2 pts below the national average of 34.1%
Fair or poor general health10.2% 10.1 pts below the national average of 20.3%
No health insurance (18–64)2.1% 9.2 pts below the national average of 11.3%
Depression23% 1.1 pts above the national average of 21.9%
No leisure-time physical activity13.9% 11.5 pts below the national average of 25.4%
Arthritis24.8% same as the national average of 25.1%
Binge drinking16.6% 0.6 pts above the national average of 16%
Taking blood pressure medication75.6% 0.9 pts above the national average of 74.7%
Cancer (non-skin)10% 2.3 pts above the national average of 7.7%
Current asthma10.9% 0.5 pts above the national average of 10.4%
Coronary heart disease4.7% 1.5 pts below the national average of 6.2%
Routine check-up in past year82.6% 5.9 pts above the national average of 76.7%
Cholesterol screening93.7% 7.8 pts above the national average of 85.9%
Cognitive disability9.1% 5.7 pts below the national average of 14.8%
Colorectal screening74% 9.7 pts above the national average of 64.3%
COPD3.7% 2.9 pts below the national average of 6.6%
Visited a dentist81.4% 20.1 pts above the national average of 61.3%
Any disability20.1% 10.6 pts below the national average of 30.7%
Lacks emotional support17.4% 7.4 pts below the national average of 24.8%
Food insecurity5% 12.1 pts below the national average of 17.1%
Received food stamps5.3% 9 pts below the national average of 14.3%
Hearing disability4.9% 1.8 pts below the national average of 6.7%
High cholesterol37.2% 1 pts above the national average of 36.2%
Housing insecurity5.3% 8.5 pts below the national average of 13.8%
Independent living disability4.7% 3.7 pts below the national average of 8.4%
Lacks transport4% 5.2 pts below the national average of 9.2%
Loneliness30.1% 4.3 pts below the national average of 34.4%
Mammography use85.9% 10 pts above the national average of 75.9%
Poor mental health (14+ days)12.3% 4.5 pts below the national average of 16.8%
Mobility disability8% 6 pts below the national average of 14%
Poor physical health (14+ days)8.8% 4.7 pts below the national average of 13.5%
Self-care disability1.9% 2.1 pts below the national average of 4%
Utility shut-off threat3.4% 5.4 pts below the national average of 8.8%
Sleeps under 7 hours27.8% 8.6 pts below the national average of 36.4%
Stroke2.3% 1.1 pts below the national average of 3.4%
All natural teeth lost4.3% 8.7 pts below the national average of 13%
Vision disability2.4% 3.2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments545
People employed5,545
Annual payroll$374,527,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 28.3% of US census tracts
FEMA ratingVery Low to Relatively Low across the 4 census tracts this ZIP code covers
Expected annual loss52.1 out of 100
Community resilience83.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Ice storm89.8Relatively High at its worst in this ZIP code
Hurricane77.8Relatively Moderate at its worst in this ZIP code
Wildfire76.1Relatively Low at its worst in this ZIP code
Landslide62.3Very Low at its worst in this ZIP code
Earthquake61.8Relatively Low at its worst in this ZIP code
River flooding48.2Relatively Moderate at its worst in this ZIP code
Drought45.2Relatively Moderate at its worst in this ZIP code
Tornado38.5Relatively Low at its worst in this ZIP code
Lightning37.7Relatively Low at its worst in this ZIP code
Strong wind36.4Relatively Low at its worst in this ZIP code
Cold wave35.6Relatively Low at its worst in this ZIP code
Heat wave32Relatively Low at its worst in this ZIP code
Winter weather23.8Relatively Low at its worst in this ZIP code
Hail11Very Low at its worst in this ZIP code
Compared with Massachusetts and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMassachusettsUnited States
Median household income$234,634$101,341$78,538
Income per person$96,780$56,284$43,289
Poverty rate2.6%10%12.4%
Median home value$939,400$525,800$303,400
Median gross rent$1,687$1,348
Homeownership90.2%62.6%65%
Bachelor's degree or higher84.4%46.6%35%
Unemployment rate5%5.1%5.2%
Works from home31.2%16.7%13.5%
Born outside the US12.6%17.7%13.9%
Median age43.54038.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationMAYNARD 2, MA US5.2 km away
Rain in a year50 in

Average high and low by month

January37.4°F / 14.6°F3.58 in rain
February40.6°F / 15.9°F3.3 in rain
March48.5°F / 23.8°F4.59 in rain
April61.6°F / 33.8°F4.36 in rain
May73°F / 45.3°F3.67 in rain
June81.1°F / 54.6°F4.16 in rain
July86.9°F / 60.2°F4.04 in rain
August84.9°F / 58°F4.43 in rain
September77.5°F / 49.4°F3.89 in rain
October65.5°F / 38°F5.07 in rain
November53.6°F / 28.7°F3.76 in rain
December42.8°F / 20.6°F4.85 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket100% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Lincoln-Sudbury School District49.8% of this ZIP code's land area
Sudbury School District49.8% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability7more vulnerable than 7% of US census tracts
Socioeconomic status4more vulnerable than 4% of US census tracts
Household characteristics31more vulnerable than 31% of US census tracts
Racial and ethnic minority status31more vulnerable than 31% of US census tracts
Housing type and transport15more vulnerable than 15% of US census tracts
Walkability6.7 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

01754 Maynard, MA5.8 km away
01778 Wayland, MA6.9 km away
01703 Framingham, MA7.4 km away
01704 Framingham, MA7.4 km away
01705 Framingham, MA7.4 km away
02456 New Town, MA7.4 km away
01775 Stow, MA8.8 km away
01742 Concord, MA9.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Middlesex County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area24.41 sq mi
Water area0.48 sq mi
Population density781 people per sq mi
Latitude, longitude42.3837, -71.4282

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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