Boundary Atlas

ZIP code 11790: Stony Brook, NY

ZIP code 11790 is in Stony Brook (59% of residents), Stony Brook University (38%) and Setauket (1.7%), in Suffolk County, New York. It is in New York's 1st congressional district. Its state senate districts are State Senate District 1 (97%), State Senate District 3 (2.8%) and State Senate District 2 (0.7%); its state house districts are Assembly District 4 (99%) and Assembly District 8 (0.7%).

21,519residents (2020 Census)
7.3 sq miland area
5cities and towns
1congressional district
17voting precincts

See it on the mapAll of New York

City and county

City or townShare of ZIP residents
Stony Brook59%
Stony Brook University38%
Setauket1.7%
Head of the Harbor0.7%
East Setauket0.3%

CountyShare of ZIP residents
Suffolk County100%

Town or county subdivisionShare of ZIP residents
Brookhaven town99%
Smithtown town0.7%

Congressional district

Congressional districtShare of ZIP residents
New York's 1st congressional district (NY-01)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (NY-01)Nick LaLota (R)202-225-3826100%
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 1)Tony Palumbo (R)631-461-910097%
State Senator (State Senate District 3)Dean Murray (Republican/Conservative)631-360-33562.8%
State Senator (State Senate District 2)Mario Mattera (Republican/Conservative)631-361-21540.7%
Assembly Member (Assembly District 4)Rebecca Kassay (Democratic)631-751-309499%
Assembly Member (Assembly District 8)Mike Fitzpatrick (R)631-724-29290.7%

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 197%
State Senate District 32.8%
State Senate District 20.7%

State house districtShare of ZIP residents
Assembly District 499%
Assembly District 80.7%

Voting precincts

17 voting precincts overlap ZIP 11790. Map them, with each precinct's share of the ZIP's residents.

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ZIP 11790 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.