Boundary Atlas

ZIP code 13402: Madison, NY

ZIP code 13402 is in Madison (23% of residents), in Madison County (97%) and Oneida County (2.6%), New York. 77% of its residents live outside city limits. It is in New York's 22nd congressional district. Its state senate district is State Senate District 53; its state house districts are Assembly District 121 (95%) and Assembly District 122 (5.0%).

1,364residents (2020 Census)
23.9 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of New York

City and county

City or townShare of ZIP residents
Madison23%

CountyShare of ZIP residents
Madison County97%
Oneida County2.6%

Town or county subdivisionShare of ZIP residents
Madison town95%
Augusta town2.6%
Stockbridge town2.4%

Congressional district

Congressional districtShare of ZIP residents
New York's 22nd congressional district (NY-22)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 53100%

State house districtShare of ZIP residents
Assembly District 12195%
Assembly District 1225.0%

Voting precincts

4 voting precincts overlap ZIP 13402. 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:13402")

ZIP 13402 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.