Boundary Atlas

ZIP code 10549: Mount Kisco, NY

ZIP code 10549 is in Mount Kisco (65% of residents), in Westchester County, New York. 35% of its residents live outside city limits. It is in New York's 17th congressional district. Its state senate districts are State Senate District 40 (100%) and State Senate District 37 (0.1%); its state house districts are Assembly District 93 (99%) and Assembly District 95 (1.2%).

16,837residents (2020 Census)
19.1 sq miland area
1cities and towns
1congressional district
18voting precincts

See it on the mapAll of New York

City and county

City or townShare of ZIP residents
Mount Kisco65%

CountyShare of ZIP residents
Westchester County100%

Town or county subdivisionShare of ZIP residents
Mount Kisco town65%
New Castle town24%
Bedford town10%
Yorktown town1.2%
North Castle town0.1%

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 40)Pete Harckham (Democratic/Working Families)914-241-4600100%
State Senator (State Senate District 37)Shelley Mayer (Democratic/Working Families)914-934-52500.1%
Assembly Member (Assembly District 93)Chris Burdick (Democratic/Independence/Working Families)914-244-445099%
Assembly Member (Assembly District 95)Dana Levenberg (Democratic/Working Families)914-941-11111.2%

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 40100%
State Senate District 370.1%

State house districtShare of ZIP residents
Assembly District 9399%
Assembly District 951.2%

Voting precincts

18 voting precincts overlap ZIP 10549. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:10549")

ZIP 10549 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.