05403 ZIP Code — South Burlington, VT

Chittenden County, Vermont

ZIP code 05403 is located in South Burlington, Vermont, within Chittenden County. It covers approximately 16.35 square miles and serves a population of 20,177 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 802.

About ZIP code 05403

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1980s, giving the area an established character. Median home value is $383,400. Owner-occupancy sits near the national average at 60%.

The gap between median ($90,383) 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 education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.

Educational attainment is high — 63% of residents hold a bachelor's degree or higher, well above the national average of 33%.

20,177

population

16.35

sq mi land

PO Box

ZIP type

Eastern (ET)

timezone

05403 ZIP code map

Cities in ZIP code 05403

Below are the cities the US Postal Service accepts for ZIP code 05403. Using any city not on this list may result in mail delivery delays.

City	Status
South Burlington	Acceptable
South Burlington	Acceptable

Demographics updated 05/2026

Population
Total population	20,177
Population density	1,234 / sq mi
State FIPS	50
County FIPS	007

Geography
Land area	16.35 sq mi
Water area	0.17 sq mi
Latitude	44.4545
Longitude	-73.1850
Timezone	Eastern (ET)
Area code	802

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.8%	32.9%	39.3%
$50k – $100k	32.2%	30.1%	32.2%
$100k – $200k	23.8%	27.3%	22.5%
Over $200k	11.2%	9.6%	6.0%

Demographics & statistics

20,177

Population

1,234

People per sq mi

38.7

Median age

$90,383

Median household income

$53,194

Per capita income

$383,400

Median home value

$1,685

Median monthly rent

59.5%

Home ownership

7.9%

Poverty rate

5.1%

Unemployment

5,625

Housing units

63.4%

Bachelor's or higher

Age distribution

Male Female

428

Under 5

459

490

5–9

524

546

10–14

585

439

15–19

471

965

20–24

1,033

1,352

25–34

1,448

1,436

35–44

1,537

1,237

45–54

1,324

619

55–59

662

637

60–64

683

817

65–74

875

569

75–84

609

209

85+

223

← Male

Female →

Age summary

Group	Count	%
Under 18	3,787	18.8%
18 and over	16,390	81.2%
65 and over	3,302	16.4%
Median age	38.7 years

Race & ethnicity

White 80.7%

Asian 9%

Two or more races 5.5%

Hispanic or Latino 1.8%

Black or African American 1.8%

Other race 0.9%

American Indian / Alaska Native 0.3%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	16,577	80.7%
Asian	1,849	9%
Two or more races	1,135	5.5%
Hispanic or Latino	366	1.8%
Black or African American	360	1.8%
Other race	175	0.9%
American Indian / Alaska Native	56	0.3%
Native Hawaiian / Pacific Islander	25	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.8%	32.9%	39.3%
$50k – $100k	32.2%	30.1%	32.2%
$100k – $200k	23.8%	27.3%	22.5%
Over $200k	11.2%	9.6%	6.0%

Under $10k 3.3%

$10k–$15k 1.4%

$15k–$25k 5.4%

$25k–$35k 8.0%

$35k–$50k 8.0%

$50k–$75k 14.8%

$75k–$100k 13.9%

$100k–$150k 17.6%

$150k–$200k 10.6%

$200k+ 17.0%

Range	% of households
Under $10k	3.3%
$10k–$15k	1.4%
$15k–$25k	5.4%
$25k–$35k	8.0%
$35k–$50k	8.0%
$50k–$75k	14.8%
$75k–$100k	13.9%
$100k–$150k	17.6%
$150k–$200k	10.6%
$200k+	17.0%
Median income	$90,383

Housing

Home values

Under $50k 1.4%

$50k–$100k 1.5%

$100k–$150k 0.4%

$150k–$200k 3.1%

$200k–$300k 24.6%

$300k–$500k 40.7%

$500k–$1M 27.1%

$1M+ 1.2%

Housing overview

Metric	Value
Median home value	$383,400
Median rent / month	$1,685
Owner occupied	59.5%
Renter occupied	40.5%
Vacant	4.3%
Single-family detached	40.4%
Large apartment buildings	22.3%
Mobile homes	0.0%
Median rooms	5.1
Avg household size (owned)	2.42

Year built

Era	%
2020 or later	0.4%
2010–2019	15.6%
2000–2009	16.0%
1990–1999	12.5%
1980–1989	22.3%
1970–1979	9.5%
1960–1969	9.7%
1950–1959	8.7%
1940–1949	1.4%
1939 or earlier	3.9%

Bedrooms

Size	% of units
No bedroom (studio)	2.8%
1 bedroom	11.0%
2 bedrooms	38.2%
3 bedrooms	29.7%
4 bedrooms	14.7%
5+ bedrooms	3.5%

Vehicles per household

Vehicles	% of households
No vehicle	6.9%
1 vehicle	37.1%
2 vehicles	44.6%
3 or more	11.3%

Heating fuel

Fuel type	%
Utility gas	66.7%
Electricity	17.4%
Propane / LP gas	4.6%
Fuel oil	7.8%
Wood	2.1%
Solar	0.1%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	3,953	45.0%
Cohabiting couple	1,050	11.9%
Male householder, no spouse	1,431	16.3%
Female householder, no spouse	2,355	26.8%
Households with children under 18	2,357	26.8%
Households with seniors (65+)	2,543	28.9%
Average household size	2.26

Marital status

Status	Male	Female
Never married	40.0%	34.3%
Married	50.9%	44.4%
Separated	0.7%	0.4%
Widowed	1.4%	6.2%
Divorced	7.0%	14.7%

Education

Less than 9th grade 0.9%

Some HS, no diploma 1.1%

HS graduate 13.7%

Some college, no degree 12.8%

Associate's degree 8.1%

Bachelor's degree 37.4%

Graduate / professional 25.9%

Metric	%
HS diploma or higher	97.9%
Bachelor's or higher	63.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	335	7.3%
Kindergarten	320	7.0%
Elementary school	1,661	36.1%
High school	845	18.4%
College / grad school	1,440	31.3%

Employment

Industry of employment

Education & healthcare 32.3%

Professional & management 12.7%

Retail trade 12.5%

Arts, food & hospitality 9.7%

Finance & real estate 7.8%

Manufacturing 6.5%

Public administration 4.6%

Other services 3.7%

Wholesale trade 2.7%

Information 2.7%

Construction 2.6%

Transportation & utilities 1.3%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	55.6%
Service	16.6%
Sales & office	20.8%
Natural resources & construction	2.9%
Production & transportation	4.1%

Employment type

Type	%
Private sector	84.1%
Government	12.3%
Self-employed	3.5%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	69.7%
Carpool	8.2%
Public transit	1.2%
Walk	2.5%
Work from home	15.4%
Other means	2.9%
Avg commute (minutes)	18.6

Poverty

All people 7.9%

Under 18 years 7.8%

18 and over 7.9%

Married-couple families 0.8%

Female-led households 26.7%

Income support

Source	% of households
Social Security	28.4%
Retirement income	22.8%
Supplemental Security	4.1%
Cash public assistance	3.3%
Food stamps / SNAP	8.7%

Health indicators

Condition	%
Obesity	20.3%
High blood pressure	24.7%
High cholesterol	27.1%
Diabetes	6.2%
Heart disease	5.0%
Stroke	2.3%
Asthma	9.4%
Arthritis	20.6%
Kidney disease	2.3%
Pulmonary disease	4.6%
Cancer	6.9%

Behavior / access	%
Smoking	10.4%
Binge drinking	17.6%
No physical activity	13.1%
Less than 7 hrs sleep	23.6%
Depression	21.5%
Fair or poor health	7.8%
Poor mental health	12.5%
Poor physical health	7.1%
No health insurance	7.3%
Visited doctor (checkup)	69.0%
Visited dentist	75.6%
Cholesterol screening	89.7%
Teeth loss	10.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	791	4.8%

Disability	%
Any disability	9.9%
Under 18	3.8%
18–64 years	7.4%
65 and over	27.0%

Health insurance coverage

Type	%
Private insurance	80.6%
Public insurance	31.1%
No insurance	2.5%
Uninsured under 19	3.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	19,290	95.6%
Spanish	817	4.2%
Other Indo-European	51	0.3%
Asian & Pacific Islander	253	1.3%
Other languages	500	2.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	17,576	87.1%
Born in same state	17,264	85.6%
Born in different state	7,799	38.7%
Foreign born	312	1.5%
Naturalized citizen	2,601	12.9%
Not a US citizen	1,583	60.9%

Ancestry

Ancestry	Count	%
Italian	2,987	14.8%
French	2,979	14.8%
German	1,940	9.6%
Arab	1,041	5.2%
Polish	157	0.8%

Ancestry	Count	%
English	150	0.7%
Irish	140	0.7%
Norwegian	133	0.7%
Dutch	8	0%

Technology access

Metric	% of households
Computer access	43.6%
Internet access	95.1%

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

Frequently asked questions about ZIP code 05403

What city is ZIP code 05403 in?

ZIP code 05403 is primarily assigned to South Burlington, Vermont.

What county is ZIP code 05403 in?

ZIP code 05403 falls within Chittenden County, Vermont.

How educated is the population of ZIP code 05403?

63% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 05403?

The median home value in ZIP code 05403 is $383,400.

What is the population of ZIP code 05403?

ZIP code 05403 has an estimated population of 20,177 residents, with a density of 1,234 people per square mile.

What is the median household income in ZIP code 05403?

The median household income in ZIP code 05403 is $90,383, above the national median of ~$75,000.

What timezone is ZIP code 05403 in?

ZIP code 05403 observes the EST timezone.