Boundary Atlas

ZIP code 10504: Armonk, NY

ZIP code 10504 is in Armonk (54% of residents), in Westchester County, New York. 46% of its residents live outside city limits. It is in New York's 17th congressional district. Its state senate districts are State Senate District 37 (99%) and State Senate District 40 (1.1%); its state house district is Assembly District 93.

8,258residents (2020 Census)
16.1 sq miland area
1cities and towns
1congressional district
12voting precincts

See it on the mapAll of New York

City and county

City or townShare of ZIP residents
Armonk54%

CountyShare of ZIP residents
Westchester County100%

Town or county subdivisionShare of ZIP residents
North Castle town99%
New Castle town1.1%

Congressional district

Congressional districtShare of ZIP residents
New York's 17th congressional district (NY-17)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (NY-17)Michael Lawler (R)202-225-6506100%
U.S. SenatorCharles E. Schumer (D)202-224-6542 · contact formstatewide
U.S. SenatorKirsten E. Gillibrand (D)202-224-4451 · contact formstatewide
State Senator (State Senate District 37)Shelley Mayer (Democratic/Working Families)914-934-525099%
State Senator (State Senate District 40)Pete Harckham (Democratic/Working Families)914-241-46001.1%
Assembly Member (Assembly District 93)Chris Burdick (Democratic/Independence/Working Families)914-244-4450100%

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 3799%
State Senate District 401.1%

State house districtShare of ZIP residents
Assembly District 93100%

Voting precincts

12 voting precincts overlap ZIP 10504. Map them, with each precinct's share of the ZIP's residents.

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ZIP 10504 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.