ZIP code 13140: Port Byron, NY

ZIP code 13140 is in Port Byron (27% of residents), in Cayuga County, New York. 73% of its residents live outside city limits. It is in New York's 24th congressional district. Its state senate district is State Senate District 48; its state house districts are Assembly District 126 (81%) and Assembly District 131 (19%).

4,044residents (2020 Census)

53.0 sq miland area

1cities and towns

1congressional district

5voting precincts

See it on the map All of New York

City and county

City or town	Share of ZIP residents
Port Byron	27%

County	Share of ZIP residents
Cayuga County	100%

Town or county subdivision	Share of ZIP residents
Mentz town	50%
Conquest town	26%
Montezuma town	18%
Throop town	4.0%
Aurelius town	1.2%

Congressional district

Congressional district	Share of ZIP residents
New York's 24th congressional district (NY-24)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (NY-24)	Claudia Tenney (R)	202-225-3665	100%
U.S. Senator	Charles E. Schumer (D)	202-224-6542 · contact form	statewide
U.S. Senator	Kirsten E. Gillibrand (D)	202-224-4451 · contact form	statewide
State Senator (State Senate District 48)	Rachel May (Democratic/Working Families)	315-478-8745	100%
Assembly Member (Assembly District 126)	John Lemondes (Republican/Conservative/Independence)	315-255-3045	81%
Assembly Member (Assembly District 131)	Jeff Gallahan (Republican/Conservative)	315-497-0354	19%

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

Port Byron laws: search for the Port Byron, New York code of ordinances
Cayuga County website: https://www.cayugacounty.us/
Cayuga County laws: search for the Cayuga County, New York code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 48	100%

State house district	Share of ZIP residents
Assembly District 126	81%
Assembly District 131	19%

Voting precincts

5 voting precincts overlap ZIP 13140. 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:

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ZIP 13140 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.