Boundary Atlas

ZIP code 15411: Addison, PA

ZIP code 15411 is in Addison (28% of residents), in Somerset County, Pennsylvania. 72% of its residents live outside city limits. It is in Pennsylvania's 14th congressional district. Its state senate district is State Senate District 32; its state house district is State House District 69.

592residents (2020 Census)
18.8 sq miland area
1cities and towns
1congressional district
2voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Addison28%

CountyShare of ZIP residents
Somerset County100%

Town or county subdivisionShare of ZIP residents
Addison township72%
Addison borough28%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 14th congressional district (PA-14)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 32100%

State house districtShare of ZIP residents
State House District 69100%

Voting precincts

2 voting precincts overlap ZIP 15411. Map them, with each precinct's share of the ZIP's residents.

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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:

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ZIP 15411 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.