Boundary Atlas

ZIP code 17055: Mechanicsburg, PA

ZIP code 17055 is in Mechanicsburg (23% of residents), in Cumberland County (98%) and York County (2.2%), Pennsylvania. 77% of its residents live outside city limits. It is in Pennsylvania's 10th congressional district. Its state senate districts are State Senate District 31 (90%) and State Senate District 34 (10%); its state house districts are State House District 87 (68%), State House District 88 (30%) and State House District 92 (2.2%).

40,353residents (2020 Census)
39.2 sq miland area
1cities and towns
1congressional district
25voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Mechanicsburg23%

CountyShare of ZIP residents
Cumberland County98%
York County2.2%

Town or county subdivisionShare of ZIP residents
Upper Allen township49%
Mechanicsburg borough23%
Lower Allen township16%
Monroe township9.5%
Fairview township1.4%
Monaghan township0.8%
Silver Spring township0.4%
Hampden township0.1%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 10th congressional district (PA-10)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (PA-10)Scott Perry (R)202-225-5836100%
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 31)Dawn Keefer (R)717-432-173090%
State Senator (State Senate District 34)Greg Rothman (R)717-283-420010%
State Representative (State House District 87)Thomas Kutz (R)717-258-024768%
State Representative (State House District 88)Sheryl Delozier (R)717-761-466530%
State Representative (State House District 92)Marc Anderson (R)717-432-07922.2%

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 3190%
State Senate District 3410%

State house districtShare of ZIP residents
State House District 8768%
State House District 8830%
State House District 922.2%

Voting precincts

25 voting precincts overlap ZIP 17055. Map them, with each precinct's share of the ZIP's residents.

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ZIP 17055 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.