Boundary Atlas

ZIP code 15221: Wilkinsburg, PA

ZIP code 15221 is in Wilkinsburg (47% of residents), Forest Hills (22%), Pittsburgh (17%), Braddock Hills (6.0%) and Churchill (2.6%), in Allegheny County, Pennsylvania. 5.7% of its residents live outside city limits. It is in Pennsylvania's 17th congressional district (79%) and Pennsylvania's 12th congressional district (21%). Its state senate district is State Senate District 43; its state house districts are State House District 34 (89%), State House District 24 (10%), State House District 32 (0.5%) and State House District 23 (0.4%).

28,913residents (2020 Census)
6.2 sq miland area
8cities and towns
2congressional districts
46voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Wilkinsburg47%
Forest Hills22%
Pittsburgh17%
Braddock Hills6.0%
Churchill2.6%
Edgewood0.5%
Penn Hills0.5%
Swissvale<0.1%

CountyShare of ZIP residents
Allegheny County100%

Town or county subdivisionShare of ZIP residents
Wilkinsburg borough47%
Forest Hills borough22%
Pittsburgh city17%
Braddock Hills borough6.0%
Wilkins township4.6%
Churchill borough2.6%
Edgewood borough0.5%
Penn Hills municipality0.5%
Swissvale borough<0.1%

Congressional districts

Congressional districtShare of ZIP residents
Pennsylvania's 17th congressional district (PA-17)79%
Pennsylvania's 12th congressional district (PA-12)21%

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.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (PA-17)Christopher R. Deluzio (D)202-225-230179%
U.S. Representative (PA-12)Summer L. Lee (D)202-225-213521%
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 43)Jay Costa (Democratic)412-578-8457100%
State Representative (State House District 34)Abigail Salisbury (Democratic)412-273-340089%
State Representative (State House District 24)La'Tasha Mayes (Democratic)412-665-550210%
State Representative (State House District 32)Joe McAndrew (Democratic)412-793-24480.5%
State Representative (State House District 23)Dan Frankel (Democratic)412-422-17740.4%

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 43100%

State house districtShare of ZIP residents
State House District 3489%
State House District 2410%
State House District 320.5%
State House District 230.4%

Voting precincts

46 voting precincts overlap ZIP 15221. 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:15221")

ZIP 15221 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.