Boundary Atlas

ZIP code 18034: Upper Saucon, PA

ZIP code 18034 is in DeSales University (11% of residents), in Lehigh County, Pennsylvania. 89% of its residents live outside city limits. It is in Pennsylvania's 7th congressional district. Its state senate district is State Senate District 16; its state house district is State House District 131.

9,271residents (2020 Census)
11.0 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
DeSales University11%

CountyShare of ZIP residents
Lehigh County100%

Town or county subdivisionShare of ZIP residents
Upper Saucon township100%
Upper Milford township<0.1%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 7th congressional district (PA-07)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (PA-07)Ryan Mackenzie (R)202-225-6411100%
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 16)Jarrett Coleman (R)267-551-3744100%
State Representative (State House District 131)Milou Mackenzie (R)215-679-3152100%

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 16100%

State house districtShare of ZIP residents
State House District 131100%

Voting precincts

4 voting precincts overlap ZIP 18034. Map them, with each precinct's share of the ZIP's residents.

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ZIP 18034 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.