Boundary Atlas

ZIP code 05403: South Burlington, VT

ZIP code 05403 is in South Burlington, in Chittenden County, Vermont. It is in Vermont's at-large congressional district. Its state senate district is Chittenden South East Senatorial District; its state house districts are Chittenden-12 State House District (23%), Chittenden-10 State House District (21%), Chittenden-9 State House District (20%), Chittenden-11 State House District (20%), Chittenden-8 State House District (17%) and Chittenden-13 State House District (0.2%).

20,166residents (2020 Census)
16.4 sq miland area
2cities and towns
1congressional district
7voting precincts

See it on the mapAll of Vermont

City and county

City or townShare of ZIP residents
South Burlington100%
Burlington0.2%

CountyShare of ZIP residents
Chittenden County100%

Town or county subdivisionShare of ZIP residents
South Burlington city100%
Burlington city0.2%
Williston townland only

Congressional district

Congressional districtShare of ZIP residents
Vermont's at-large congressional district (VT-AL)100%

Members of Congress

OfficeMemberContact
U.S. Representative (VT-AL)Becca Balint (D)202-225-4115
U.S. SenatorBernard Sanders (I)202-224-5141 · contact form
U.S. SenatorPeter Welch (D)202-224-4242 · contact form

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate districtShare of ZIP residents
Chittenden South East Senatorial District100%

State house districtShare of ZIP residents
Chittenden-12 State House District23%
Chittenden-10 State House District21%
Chittenden-9 State House District20%
Chittenden-11 State House District20%
Chittenden-8 State House District17%
Chittenden-13 State House District0.2%

Voting precincts

7 voting precincts overlap ZIP 05403. Map them, with each precinct's share of the ZIP's residents.

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ZIP 05403 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.