ZIP code 12911: Au Sable, NY
ZIP code 12911 is in Clinton County (74%) and Essex County (26%), New York, outside any city or Census-designated place. It is in New York's 21st congressional district. Its state senate district is State Senate District 45; its state house districts are Assembly District 115 (74%) and Assembly District 114 (26%).
See it on the mapAll of New York
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Clinton County | 74% |
| Essex County | 26% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Au Sable town | 74% |
| Chesterfield town | 26% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| New York's 21st congressional district (NY-21) | 100% |
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 45 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 115 | 74% |
| Assembly District 114 | 26% |
Voting precincts
2 voting precincts overlap ZIP 12911. 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:12911")
ZIP 12911 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.