Boundary Atlas

ZIP code 20151: Chantilly, VA

ZIP code 20151 is in Chantilly (98% of residents) and Centreville (2.0%), in Fairfax County, Virginia. It is in Virginia's 11th congressional district. Its state senate district is State Senate District 36; its state house district is House of Delegates District 9.

22,653residents (2020 Census)
15.9 sq miland area
3cities and towns
1congressional district
7voting precincts

See it on the mapAll of Virginia

City and county

City or townShare of ZIP residents
Chantilly98%
Centreville2.0%
Sully Square0.2%

CountyShare of ZIP residents
Fairfax County100%

Town or county subdivisionShare of ZIP residents
Sully district100%
Dranesville districtland only

Congressional district

Congressional districtShare of ZIP residents
Virginia's 11th congressional district (VA-11)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (VA-11)James R. Walkinshaw (D)202-225-1492100%
U.S. SenatorMark R. Warner (D)202-224-2023 · contact formstatewide
U.S. SenatorTim Kaine (D)202-224-4024 · contact formstatewide
State Senator (State Senate District 36)Stella Pekarsky (Democratic)100%
State Senator (State Senate District 38)Jennifer Boysko (Democratic)<0.1%
Delegate (State House District 9)Karrie Delaney (Democratic)100%
Delegate (State House District 8)Irene Shin (Democratic)<0.1%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 36100%
State Senate District 38land only

State house districtShare of ZIP residents
House of Delegates District 9100%
House of Delegates District 8land only

Voting precincts

7 voting precincts overlap ZIP 20151. Map them, with each precinct's share of the ZIP's residents.

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ZIP 20151 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.