01803 ZIP Code — Burlington, MA

Middlesex County, Massachusetts

ZIP code 01803 is located in Burlington, Massachusetts, within Middlesex County. It covers approximately 11.27 square miles and serves a population of 26,004 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 781.

About ZIP code 01803

The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $659,400. Owner-occupancy sits near the national average at 74%.

The gap between median ($134,189) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 36% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is high — 58% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 01803 reflects a community defined by a highly educated population and a significant Social Security-dependent population.

26,004

population

11.27

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

01803 ZIP code map

Cities in ZIP code 01803

Below are the cities the US Postal Service accepts for ZIP code 01803. Using any city not on this list may result in mail delivery delays.

City	Status
Burlington	Preferred

Nearby ZIP codes

01805 Burlington (0.4 mi) 01801 Woburn (2.6 mi) 01815 Woburn (3.2 mi) 01813 Woburn (3.2 mi) 01730 Bedford (3.6 mi) 01821 Billerica (4 mi) 01887 Wilmington (4.4 mi) 01890 Winchester (4.8 mi) 01731 Hanscom Afb (5.1 mi) 01867 Reading (5.5 mi) 01862 North Billerica (6.2 mi) 01880 Wakefield (7 mi)

Demographics updated 05/2026

Population
Total population	26,004
Population density	2,307 / sq mi
State FIPS	25
County FIPS	017

Geography
Land area	11.27 sq mi
Water area	0.11 sq mi
Latitude	42.5060
Longitude	-71.2045
Timezone	Eastern (ET)
Area code	781

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.5%	23.8%	31.3%
$50k – $100k	20.2%	23.1%	25.9%
$100k – $200k	33.5%	32.1%	28.5%
Over $200k	24.9%	20.9%	14.3%

Demographics & statistics

26,004

Population

2,307

People per sq mi

43.9

Median age

$134,189

Median household income

$62,916

Per capita income

$659,400

Median home value

$2,325

Median monthly rent

74.0%

Home ownership

5.2%

Poverty rate

3.5%

Unemployment

7,912

Housing units

58.2%

Bachelor's or higher

Age distribution

Male Female

683

Under 5

721

830

5–9

877

661

10–14

699

530

15–19

560

660

20–24

698

1,271

25–34

1,343

1,821

35–44

1,925

1,608

45–54

1,700

1,010

55–59

1,068

837

60–64

885

1,350

65–74

1,427

909

75–84

960

472

85+

499

← Male

Female →

Age summary

Group	Count	%
Under 18	5,006	19.3%
18 and over	20,998	80.7%
65 and over	5,617	21.6%
Median age	43.9 years

Race & ethnicity

White 75.3%

Asian 14.2%

Two or more races 4.8%

Hispanic or Latino 2.3%

Black or African American 2.1%

Other race 1%

Native Hawaiian / Pacific Islander 0.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	20,037	75.3%
Asian	3,793	14.2%
Two or more races	1,279	4.8%
Hispanic or Latino	620	2.3%
Black or African American	559	2.1%
Other race	273	1%
Native Hawaiian / Pacific Islander	48	0.2%
American Indian / Alaska Native	15	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.5%	23.8%	31.3%
$50k – $100k	20.2%	23.1%	25.9%
$100k – $200k	33.5%	32.1%	28.5%
Over $200k	24.9%	20.9%	14.3%

Under $10k 1.9%

$10k–$15k 2.6%

$15k–$25k 3.2%

$25k–$35k 3.6%

$35k–$50k 7.8%

$50k–$75k 10.6%

$75k–$100k 9.7%

$100k–$150k 17.2%

$150k–$200k 14.3%

$200k+ 29.1%

Range	% of households
Under $10k	1.9%
$10k–$15k	2.6%
$15k–$25k	3.2%
$25k–$35k	3.6%
$35k–$50k	7.8%
$50k–$75k	10.6%
$75k–$100k	9.7%
$100k–$150k	17.2%
$150k–$200k	14.3%
$200k+	29.1%
Median income	$134,189

Housing

Home values

Under $50k 1.5%

$50k–$100k 1.1%

$100k–$150k 0.2%

$150k–$200k 0.1%

$200k–$300k 3.0%

$300k–$500k 10.6%

$500k–$1M 73.3%

$1M+ 10.2%

Housing overview

Metric	Value
Median home value	$659,400
Median rent / month	$2,325
Owner occupied	74.0%
Renter occupied	26.0%
Vacant	5.0%
Single-family detached	69.6%
Large apartment buildings	15.8%
Mobile homes	0.1%
Median rooms	6.2
Avg household size (owned)	2.74

Year built

Era	%
2020 or later	0.0%
2010–2019	11.9%
2000–2009	10.5%
1990–1999	5.4%
1980–1989	10.5%
1970–1979	13.7%
1960–1969	17.1%
1950–1959	25.2%
1940–1949	0.9%
1939 or earlier	4.9%

Bedrooms

Size	% of units
No bedroom (studio)	3.1%
1 bedroom	9.8%
2 bedrooms	19.0%
3 bedrooms	39.2%
4 bedrooms	22.3%
5+ bedrooms	6.6%

Vehicles per household

Vehicles	% of households
No vehicle	3.4%
1 vehicle	30.0%
2 vehicles	45.4%
3 or more	21.2%

Heating fuel

Fuel type	%
Utility gas	55.6%
Electricity	9.5%
Propane / LP gas	3.1%
Fuel oil	31.2%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	5,872	58.8%
Cohabiting couple	539	5.4%
Male householder, no spouse	1,049	10.5%
Female householder, no spouse	2,530	25.3%
Households with children under 18	3,048	30.5%
Households with seniors (65+)	3,778	37.8%
Average household size	2.58

Marital status

Status	Male	Female
Never married	26.2%	22.9%
Married	62.6%	54.5%
Separated	0.8%	0.7%
Widowed	2.8%	9.9%
Divorced	7.6%	12.0%

Education

Less than 9th grade 1.7%

Some HS, no diploma 1.6%

HS graduate 19.9%

Some college, no degree 12.2%

Associate's degree 6.4%

Bachelor's degree 34.0%

Graduate / professional 24.3%

Metric	%
HS diploma or higher	96.7%
Bachelor's or higher	58.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	445	7.9%
Kindergarten	376	6.6%
Elementary school	2,490	44.0%
High school	923	16.3%
College / grad school	1,425	25.2%

Employment

Industry of employment

Professional & management 23.2%

Education & healthcare 21.2%

Manufacturing 10.5%

Retail trade 9.9%

Arts, food & hospitality 7.6%

Finance & real estate 6.9%

Public administration 4.4%

Information 3.9%

Transportation & utilities 3.8%

Construction 3.4%

Other services 3.1%

Wholesale trade 1.9%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	58.5%
Service	12.2%
Sales & office	18.3%
Natural resources & construction	5.1%
Production & transportation	5.9%

Employment type

Type	%
Private sector	84.0%
Government	12.0%
Self-employed	3.7%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	71.8%
Carpool	5.8%
Public transit	4.0%
Walk	0.6%
Work from home	17.9%
Other means	0.0%
Avg commute (minutes)	29.9

Poverty

All people 5.2%

Under 18 years 4.1%

18 and over 5.5%

Married-couple families 2.0%

Female-led households 7.2%

Income support

Source	% of households
Social Security	35.8%
Retirement income	25.0%
Supplemental Security	2.3%
Cash public assistance	1.5%
Food stamps / SNAP	4.8%

Health indicators

Condition	%
Obesity	20.2%
High blood pressure	27.1%
High cholesterol	30.1%
Diabetes	7.4%
Heart disease	5.0%
Stroke	2.3%
Asthma	9.3%
Arthritis	21.3%
Kidney disease	2.4%
Pulmonary disease	4.3%
Cancer	7.4%

Behavior / access	%
Smoking	9.3%
Binge drinking	15.5%
No physical activity	15.4%
Less than 7 hrs sleep	27.7%
Depression	16.6%
Fair or poor health	8.0%
Poor mental health	11.5%
Poor physical health	6.8%
No health insurance	4.9%
Visited doctor (checkup)	76.8%
Visited dentist	77.1%
Cholesterol screening	92.8%
Teeth loss	8.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	859	4.1%

Disability	%
Any disability	9.3%
Under 18	4.2%
18–64 years	6.3%
65 and over	22.6%

Health insurance coverage

Type	%
Private insurance	81.4%
Public insurance	29.6%
No insurance	2.9%
Uninsured under 19	5.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	24,600	94.6%
Spanish	1,177	4.8%
Other Indo-European	157	0.6%
Asian & Pacific Islander	630	2.6%
Other languages	322	1.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	20,975	80.7%
Born in same state	20,588	79.2%
Born in different state	17,089	65.7%
Foreign born	387	1.5%
Naturalized citizen	5,029	19.3%
Not a US citizen	2,799	55.7%

Ancestry

Ancestry	Count	%
Italian	6,264	24.1%
French	2,474	9.5%
Arab	1,247	4.8%
German	640	2.5%
English	220	0.8%

Ancestry	Count	%
Polish	143	0.5%
Irish	39	0.1%
Dutch	36	0.1%
Norwegian	27	0.1%

Technology access

Metric	% of households
Computer access	38.4%
Internet access	96.2%

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

Frequently asked questions about ZIP code 01803

What city is ZIP code 01803 in?

ZIP code 01803 is primarily assigned to Burlington, Massachusetts.

What county is ZIP code 01803 in?

ZIP code 01803 falls within Middlesex County, Massachusetts.

How educated is the population of ZIP code 01803?

58% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 01803 have a large retiree population?

36% of households in ZIP code 01803 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 01803?

The median household income in ZIP code 01803 is $134,189, above the national median of ~$75,000.

What is the typical home value in ZIP code 01803?

The median home value in ZIP code 01803 is $659,400.

What timezone is ZIP code 01803 in?

ZIP code 01803 observes the EST timezone.