Boundary Atlas

ZIP code 15239: Plum, PA

ZIP code 15239 is in Plum, in Allegheny County, Pennsylvania. It is in Pennsylvania's 12th congressional district. Its state senate district is State Senate District 45; its state house districts are State House District 25 (63%) and State House District 32 (37%).

21,211residents (2020 Census)
16.3 sq miland area
1cities and towns
1congressional district
18voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Plum100%

CountyShare of ZIP residents
Allegheny County100%

Town or county subdivisionShare of ZIP residents
Plum borough100%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 12th congressional district (PA-12)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (PA-12)Summer L. Lee (D)202-225-2135100%
U.S. SenatorDavid McCormick (R)202-224-6324 · contact formstatewide
U.S. SenatorJohn Fetterman (D)202-224-4254 · contact formstatewide
State Senator (State Senate District 45)Nick Pisciottano (Democratic)412-664-5200100%
State Representative (State House District 25)Brandon Markosek (Democratic)412-856-828463%
State Representative (State House District 32)Joe McAndrew (Democratic)412-793-244837%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 45100%

State house districtShare of ZIP residents
State House District 2563%
State House District 3237%

Voting precincts

18 voting precincts overlap ZIP 15239. 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:

related_geographies(id="us:zcta:15239")

ZIP 15239 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.