Boundary Atlas

ZIP code 12740: Grahamsville, NY

ZIP code 12740 is in Grahamsville (21% of residents), in Sullivan County (84%) and Ulster County (16%), New York. 79% of its residents live outside city limits. It is in New York's 19th congressional district. Its state senate district is State Senate District 51; its state house district is Assembly District 101.

1,714residents (2020 Census)
72.0 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of New York

City and county

City or townShare of ZIP residents
Grahamsville21%

CountyShare of ZIP residents
Sullivan County84%
Ulster County16%

Town or county subdivisionShare of ZIP residents
Neversink town84%
Denning town14%
Wawarsing town2.0%

Congressional district

Congressional districtShare of ZIP residents
New York's 19th congressional district (NY-19)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (NY-19)Josh Riley (D)202-225-5441100%
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 51)Peter Oberacker (Republican/Conservative)607-432-5524100%
Assembly Member (Assembly District 101)Brian Maher (Republican/Conservative)845-379-5001100%

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 51100%

State house districtShare of ZIP residents
Assembly District 101100%

Voting precincts

5 voting precincts overlap ZIP 12740. 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:12740")

ZIP 12740 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.