Boundary Atlas

ZIP code 17856: New Columbia, PA

ZIP code 17856 is in New Columbia (29% of residents), in Union County, Pennsylvania. 71% of its residents live outside city limits. It is in Pennsylvania's 15th congressional district. Its state senate district is State Senate District 23; its state house districts are State House District 83 (100%) and State House District 76 (0.4%).

3,473residents (2020 Census)
48.8 sq miland area
2cities and towns
1congressional district
6voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
New Columbia29%
West Milton0.6%

CountyShare of ZIP residents
Union County100%

Town or county subdivisionShare of ZIP residents
White Deer township97%
Gregg township2.2%
West Buffalo township0.4%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 15th congressional district (PA-15)100%

Members of Congress

OfficeMemberContact
U.S. Representative (PA-15)Glenn Thompson (R)202-225-5121
U.S. SenatorDavid McCormick (R)202-224-6324 · contact form
U.S. SenatorJohn Fetterman (D)202-224-4254 · contact form

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate districtShare of ZIP residents
State Senate District 23100%

State house districtShare of ZIP residents
State House District 83100%
State House District 760.4%

Voting precincts

6 voting precincts overlap ZIP 17856. Map them, with each precinct's share of the ZIP's residents.

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ZIP 17856 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.