Boundary Atlas

ZIP code 16142: New Wilmington, PA

ZIP code 16142 is in New Wilmington (23% of residents), in Lawrence County (58%) and Mercer County (42%), Pennsylvania. 77% of its residents live outside city limits. It is in Pennsylvania's 16th congressional district. Its state senate district is State Senate District 50; its state house districts are State House District 9 (58%), State House District 17 (30%) and State House District 7 (12%).

5,906residents (2020 Census)
43.8 sq miland area
2cities and towns
1congressional district
10voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
New Wilmington23%
Pulaski0.1%

CountyShare of ZIP residents
Lawrence County58%
Mercer County42%

Town or county subdivisionShare of ZIP residents
Wilmington township26%
New Wilmington borough23%
Wilmington township23%
Lackawannock township10%
Pulaski township7.7%
East Lackawannock township6.2%
Shenango township1.8%
Springfield township0.6%
Neshannock township0.3%

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 50)Michele Brooks (R)724-654-1444100%
State Representative (State House District 9)Marla Brown (R)724-498-439758%
State Representative (State House District 17)Tim Bonner (R)724-458-491130%
State Representative (State House District 7)Parke Wentling (R)724-638-410112%

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 50100%

State house districtShare of ZIP residents
State House District 958%
State House District 1730%
State House District 712%

Voting precincts

10 voting precincts overlap ZIP 16142. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:16142")

ZIP 16142 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.