Residential delivery area · Vermont
ZIP Code 05403: South Burlington, VT
ZIP code 05403 is in South Burlington, Vermont, entirely in Chittenden County (Census 2020 ZIP-county file). About 21,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $105,616 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- South Burlington · its only residential ZIP
- County
- Chittenden County
- Census places
- South Burlington
- Metro area
- Burlington-South Burlington, VT
- House district
- VT at large 119th Congress
- State
- Vermont
- Time zone
- Eastern
- Land area
- 16.4 sq mi · 1,261 people per sq mi
- PO Box ZIPs
- 05407 also use the name South Burlington
Where is ZIP code 05403?
05403 centers on 44.445°, -73.173° and covers 16.4 square miles of land plus 0.2 of water. It borders 8 ZIP codes: 05405, 05401, 05404, 05495, 05482, 05408, 05452, 05446.
The map draws ZIP code areas only. For the streets inside 05403, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 05403 compare with the rest of Chittenden County?
| Measure | 05403 | In Chittenden County | In VT |
|---|---|---|---|
| People (ACS 2020-2024) | 20,614 | 3rd of 20 | 3rd of 265 |
| Median household income | $106k | 9th of 17 | 16th of 100 |
| Median home value | $442k | 7th of 18 | 16th of 125 |
Its median household income is higher than in 84% of U.S. residential ZIP codes, and it is denser than 80% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 05403?
The 2020 Census counted 20,166 people in 05403; the ACS, which samples households over 2020-2024, estimates 20,614. Between the 2010 and 2020 censuses its population grew 14.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 20,614
- 2020 Census count
- 20,166+14.6% since 2010 (17,593)
- Households
- 9,418
- Median age
- 38.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 05403?
Of the 20,614 people the ACS estimates in 05403, 19.0% are under 18 and 17.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (78.0%), then Asian (not Hispanic) (10.3%).
- Under 1819.0%
- 18 to 6463.3%
- 65 and older17.7%
- White, not Hispanic78.0%
- Asian, not Hispanic10.3%
- Other or two or more6.4%
- Hispanic or Latino3.5%
- Black, not Hispanic1.8%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 05403 earn?
Median household income is $105,616 (ACS 2020-2024), the 9th highest of the 17 ranked ZIP codes in Chittenden County. It rose from $89,477 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $105,616±$13,129
- Income per person
- $59,614
- Below the poverty line
- 7.3%
- Unemployed (of the labor force)
- 3.9%
- Adults 25+ with a bachelor's degree
- 67.3%
- Adjusted gross income per tax return, 2022
- $105,40511,460 returns; wages 65% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 05403?
FHFA's house price index for 05403, built from repeat sales and appraisals of the same homes, rose 85% from 2015 to 2025 and rose 60% from 2020 to 2025, and moved −0.2% in 2025.
- Median home value (owners' estimate)
- $442,400
- Median gross rent
- $1,787
- Homes owned by their occupants
- 61.4%
- Housing units
- 9,625
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 05403?
1,009 business establishments had a location in this ZIP code in 2023, 32 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance157
- Retail trade132
- Professional, scientific, and technical services123
- Other services (except public administration)94
- Construction78
- Accommodation and food services74
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 05403?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 05405 | Burlington | 3,136 | – | 2.3 mi |
| 05401 | Burlington | 31,662 | $66k | 3.0 mi |
| 05404 | Winooski | 8,293 | $80k | 3.5 mi |
| 05495 | Williston | 10,956 | $107k | 4.0 mi |
| 05482 | Shelburne | 7,969 | $116k | 5.0 mi |
| 05408 | Burlington | 10,019 | $95k | 6.4 mi |
| 05452 | Essex Junction | 22,626 | $101k | 7.8 mi |
| 05446 | Colchester | 16,452 | $98k | 8.0 mi |
| 05439 | Colchester | 1,228 | – | 3.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name South Burlington?
1 more ZIP code carries the postal name South Burlington, VT without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 05407 | Chittenden County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.