Boundary Atlas

ZIP code 11203: New York, NY

ZIP code 11203 is in New York, in Kings County, New York. It is in New York's 9th congressional district. Its state senate districts are State Senate District 21 (53%) and State Senate District 20 (47%); its state house districts are Assembly District 58 (63%), Assembly District 43 (24%), Assembly District 42 (8.3%) and Assembly District 41 (4.8%).

81,824residents (2020 Census)
2.1 sq miland area
1cities and towns
1congressional district
50voting precincts

See it on the mapAll of New York

City and county

City or townShare of ZIP residents
New York100%

CountyShare of ZIP residents
Kings County100%

Town or county subdivisionShare of ZIP residents
Brooklyn borough100%

Congressional district

Congressional districtShare of ZIP residents
New York's 9th congressional district (NY-09)100%

Elected officials

OfficeMemberContactShare of residents
MayorZohran K. Mamdani212-788-7585100%
U.S. Representative (NY-09)Yvette D. Clarke (D)202-225-6231100%
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 21)Kevin Parker (Democratic/Working Families)718-629-640153%
State Senator (State Senate District 20)Zellnor Myrie (Democratic)718-284-470047%
Assembly Member (Assembly District 58)Monique Chandler-Waterman (Democratic)718-385-333663%
Assembly Member (Assembly District 43)Brian Cunningham (Democratic)718-771-310524%
Assembly Member (Assembly District 42)Rodneyse Bichotte Hermelyn (Democratic)718-940-04288.3%
Assembly Member (Assembly District 41)Kalman Yeger (Democratic)718-648-47004.8%

Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); 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 2153%
State Senate District 2047%

State house districtShare of ZIP residents
Assembly District 5863%
Assembly District 4324%
Assembly District 428.3%
Assembly District 414.8%

Voting precincts

50 voting precincts overlap ZIP 11203. Map them, with each precinct's share of the ZIP's residents.

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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:11203")

ZIP 11203 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.