Boundary Atlas

ZIP code 13331: Eagle Bay, NY

ZIP code 13331 is in Eagle Bay (26% of residents), in Herkimer County (100%) and Hamilton County (0.5%), New York. 74% of its residents live outside city limits. It is in New York's 21st congressional district. Its state senate district is State Senate District 49; its state house district is Assembly District 118.

210residents (2020 Census)
167.1 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of New York

City and county

City or townShare of ZIP residents
Eagle Bay26%

CountyShare of ZIP residents
Herkimer County100%
Hamilton County0.5%

Town or county subdivisionShare of ZIP residents
Webb town100%
Inlet town0.5%

Congressional district

Congressional districtShare of ZIP residents
New York's 21st congressional district (NY-21)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 49100%

State house districtShare of ZIP residents
Assembly District 118100%

Voting precincts

3 voting precincts overlap ZIP 13331. 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:13331")

ZIP 13331 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.