Boundary Atlas

ZIP code 12903: Plattsburgh, NY

ZIP code 12903 is in Plattsburgh (94% of residents) and Parc (6.1%), in Clinton County, New York. It is in New York's 21st congressional district. Its state senate district is State Senate District 45; its state house district is Assembly District 115.

1,810residents (2020 Census)
4.2 sq miland area
2cities and towns
1congressional district
4voting precincts

See it on the mapAll of New York

City and county

City or townShare of ZIP residents
Plattsburgh94%
Parc6.1%

CountyShare of ZIP residents
Clinton County100%

Town or county subdivisionShare of ZIP residents
Plattsburgh city94%
Plattsburgh town6.1%

Congressional district

Congressional districtShare of ZIP residents
New York's 21st congressional district (NY-21)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (NY-21)Elise M. Stefanik (R)202-225-4611100%
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 45)Dan Stec (Republican/Conservative/Independence)315-229-3195100%
Assembly Member (Assembly District 115)Michael Cashman (Democratic)518-562-1986100%

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 45100%

State house districtShare of ZIP residents
Assembly District 115100%

Voting precincts

4 voting precincts overlap ZIP 12903. 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:

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ZIP 12903 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.