Boundary Atlas

ZIP code 15227: Brentwood, PA

ZIP code 15227 is in Brentwood (33% of residents), Baldwin (33%), Whitehall (24%) and Pittsburgh (9.8%), in Allegheny County, Pennsylvania. It is in Pennsylvania's 12th congressional district. Its state senate districts are State Senate District 45 (90%), State Senate District 43 (7.3%) and State Senate District 42 (2.5%); its state house districts are State House District 38 (57%) and State House District 36 (43%).

30,036residents (2020 Census)
6.1 sq miland area
4cities and towns
1congressional district
36voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Brentwood33%
Baldwin33%
Whitehall24%
Pittsburgh9.8%

CountyShare of ZIP residents
Allegheny County100%

Town or county subdivisionShare of ZIP residents
Brentwood borough33%
Baldwin borough33%
Whitehall borough24%
Pittsburgh city9.8%

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)412-664-520090%
State Senator (State Senate District 43)Jay Costa (Democratic)412-578-84577.3%
State Senator (State Senate District 42)Wayne Fontana (Democratic)412-331-12082.5%
State Representative (State House District 38)John Inglis (Democratic)412-466-194057%
State Representative (State House District 36)Jessica Benham (Democratic)412-881-420843%

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 4590%
State Senate District 437.3%
State Senate District 422.5%

State house districtShare of ZIP residents
State House District 3857%
State House District 3643%

Voting precincts

36 voting precincts overlap ZIP 15227. Map them, with each precinct's share of the ZIP's residents.

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ZIP 15227 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.