Boundary Atlas

ZIP code 15642: North Huntingdon, PA

ZIP code 15642 is in Irwin (8.4% of residents), Manor (4.1%) and North Irwin (1.8%), in Westmoreland County (100%) and Allegheny County (0.3%), Pennsylvania. 86% of its residents live outside city limits. It is in Pennsylvania's 12th congressional district. Its state senate districts are State Senate District 39 (100%) and State Senate District 45 (0.3%); its state house districts are State House District 56 (72%), State House District 58 (19%), State House District 57 (9.0%) and State House District 35 (0.3%).

46,461residents (2020 Census)
46.0 sq miland area
4cities and towns
1congressional district
46voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Irwin8.4%
Manor4.1%
North Irwin1.8%
White Oak0.3%

CountyShare of ZIP residents
Westmoreland County100%
Allegheny County0.3%

Town or county subdivisionShare of ZIP residents
North Huntingdon township64%
Penn township10%
Hempfield township9.0%
Irwin borough8.4%
Manor borough4.1%
Sewickley township2.2%
North Irwin borough1.8%
White Oak borough0.3%

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 39)Kim Ward (R)724-600-7002100%
State Senator (State Senate District 45)Nick Pisciottano (Democratic)412-664-52000.3%
State Representative (State House District 56)Brian Rasel (R)724-744-030572%
State Representative (State House District 58)Eric Davanzo (R)724-542-034919%
State Representative (State House District 57)Eric Nelson (R)724-925-54909.0%
State Representative (State House District 35)Dan Goughnour (Democratic)412-664-00350.3%

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 39100%
State Senate District 450.3%

State house districtShare of ZIP residents
State House District 5672%
State House District 5819%
State House District 579.0%
State House District 350.3%

Voting precincts

46 voting precincts overlap ZIP 15642. Map them, with each precinct's share of the ZIP's residents.

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ZIP 15642 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.