Boundary Atlas

ZIP code 11557: Hewlett, NY

ZIP code 11557 is in Hewlett (67% of residents), Hewlett Harbor (15%), Woodmere (9.7%), Hewlett Bay Park (5.7%) and East Rockaway (2.2%), in Nassau County, New York. It is in New York's 4th congressional district. Its state senate district is State Senate District 9; its state house districts are Assembly District 20 (77%), Assembly District 21 (23%) and Assembly District 22 (0.8%).

8,659residents (2020 Census)
2.0 sq miland area
6cities and towns
1congressional district
18voting precincts

See it on the mapAll of New York

City and county

City or townShare of ZIP residents
Hewlett67%
Hewlett Harbor15%
Woodmere9.7%
Hewlett Bay Park5.7%
East Rockaway2.2%
Valley Stream0.8%

CountyShare of ZIP residents
Nassau County100%

Town or county subdivisionShare of ZIP residents
Hempstead town100%

Congressional district

Congressional districtShare of ZIP residents
New York's 4th congressional district (NY-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (NY-04)Laura Gillen (D)202-225-5516100%
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 9)Patricia Canzoneri-Fitzpatrick (Republican/Conservative)516-766-8383100%
Assembly Member (Assembly District 20)Ari Brown (R)516-431-050077%
Assembly Member (Assembly District 21)Judy Griffin (Democratic)516-561-821623%
Assembly Member (Assembly District 22)Michaelle Solages (Democratic)516-599-29720.8%

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 9100%

State house districtShare of ZIP residents
Assembly District 2077%
Assembly District 2123%
Assembly District 220.8%

Voting precincts

18 voting precincts overlap ZIP 11557. 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:11557")

ZIP 11557 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.