ZIP code 10550: Mount Vernon, NY
ZIP code 10550 is in Mount Vernon, in Westchester County (100%) and Bronx County (0.1%), New York. It is in New York's 16th congressional district (100%) and New York's 15th congressional district (0.1%). Its state senate district is State Senate District 36; its state house districts are Assembly District 89 (100%) and Assembly District 83 (0.1%).
See it on the mapAll of New York
City and county
| City or town | Share of ZIP residents |
|---|---|
| Mount Vernon | 100% |
| New York | 0.1% |
| County | Share of ZIP residents |
|---|---|
| Westchester County | 100% |
| Bronx County | 0.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Mount Vernon city | 100% |
| Bronx borough | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| New York's 16th congressional district (NY-16) | 100% |
| New York's 15th congressional district (NY-15) | 0.1% |
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.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 36 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 89 | 100% |
| Assembly District 83 | 0.1% |
Voting precincts
38 voting precincts overlap ZIP 10550. 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:10550")
ZIP 10550 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.