Boundary Atlas

ZIP code 13040: Cincinnatus, NY

ZIP code 13040 is in Cortland County (93%) and Chenango County (7.3%), New York, outside any city or Census-designated place. It is in New York's 19th congressional district (98%) and New York's 22nd congressional district (1.5%). Its state senate districts are State Senate District 52 (93%) and State Senate District 53 (7.3%); its state house district is Assembly District 131.

2,507residents (2020 Census)
99.8 sq miland area
0cities and towns
2congressional districts
9voting precincts

See it on the mapAll of New York

City and county

Outside any city or Census-designated place.


CountyShare of ZIP residents
Cortland County93%
Chenango County7.3%

Town or county subdivisionShare of ZIP residents
Cincinnatus town36%
Solon town19%
Taylor town16%
Freetown town12%
Willet town8.9%
German town3.8%
Pitcher town3.5%
Truxton town1.5%
Cuyler town<0.1%

Congressional districts

Congressional districtShare of ZIP residents
New York's 19th congressional district (NY-19)98%
New York's 22nd congressional district (NY-22)1.5%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (NY-19)Josh Riley (D)202-225-544198%
U.S. Representative (NY-22)John W. Mannion (D)202-225-37011.5%
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 52)Lea Webb (Democratic/Working Families)607-878-702593%
State Senator (State Senate District 53)Joe Griffo (Republican/Conservative)315-793-90727.3%
Assembly Member (Assembly District 131)Jeff Gallahan (Republican/Conservative)315-497-0354100%

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 5293%
State Senate District 537.3%

State house districtShare of ZIP residents
Assembly District 131100%

Voting precincts

9 voting precincts overlap ZIP 13040. 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:13040")

ZIP 13040 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.