Boundary Atlas

ZIP code 16056: Saxonburg, PA

ZIP code 16056 is in Saxonburg (30% of residents), in Butler County, Pennsylvania. 70% of its residents live outside city limits. It is in Pennsylvania's 16th congressional district. Its state senate districts are State Senate District 21 (100%) and State Senate District 47 (0.5%); its state house districts are State House District 11 (99%) and State House District 8 (1.3%).

4,779residents (2020 Census)
21.0 sq miland area
1cities and towns
1congressional district
6voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Saxonburg30%

CountyShare of ZIP residents
Butler County100%

Town or county subdivisionShare of ZIP residents
Clinton township42%
Saxonburg borough30%
Jefferson township27%
Penn township0.8%
Middlesex township0.5%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 16th congressional district (PA-16)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (PA-16)Mike Kelly (R)202-225-5406100%
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 21)Scott Hutchinson (R)814-677-6345100%
State Senator (State Senate District 47)Elder Vogel (R)878-978-25750.5%
State Representative (State House District 11)Marci Mustello (R)724-283-585299%
State Representative (State House District 8)Aaron Bernstine (R)724-847-52911.3%

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 21100%
State Senate District 470.5%

State house districtShare of ZIP residents
State House District 1199%
State House District 81.3%

Voting precincts

6 voting precincts overlap ZIP 16056. Map them, with each precinct's share of the ZIP's residents.

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ZIP 16056 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.