Boundary Atlas

ZIP code 16046: Adams, PA

ZIP code 16046 is in Seven Fields (15% of residents) and Mars (7.6%), in Butler County (79%) and Allegheny County (21%), Pennsylvania. 77% of its residents live outside city limits. It is in Pennsylvania's 16th congressional district (79%) and Pennsylvania's 17th congressional district (21%). Its state senate districts are State Senate District 47 (79%), State Senate District 37 (13%) and State Senate District 38 (8.1%); its state house districts are State House District 12 (79%), State House District 28 (21%) and State House District 8 (0.3%).

19,257residents (2020 Census)
22.8 sq miland area
2cities and towns
2congressional districts
16voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Seven Fields15%
Mars7.6%

CountyShare of ZIP residents
Butler County79%
Allegheny County21%

Town or county subdivisionShare of ZIP residents
Adams township55%
Seven Fields borough15%
Marshall township13%
Pine township8.1%
Mars borough7.6%
Cranberry township1.0%
Middlesex township0.1%
Forward township0.1%

Congressional districts

Congressional districtShare of ZIP residents
Pennsylvania's 16th congressional district (PA-16)79%
Pennsylvania's 17th congressional district (PA-17)21%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (PA-16)Mike Kelly (R)202-225-540679%
U.S. Representative (PA-17)Christopher R. Deluzio (D)202-225-230121%
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 47)Elder Vogel (R)878-978-257579%
State Senator (State Senate District 37)Devlin Robinson (R)412-643-302013%
State Senator (State Senate District 38)Lindsey Williams (Democratic)412-364-04698.1%
State Representative (State House District 12)Brandon Dukes (Democratic)724-824-867179%
State Representative (State House District 28)Jeremy Shaffer (R)412-369-223021%
State Representative (State House District 8)Aaron Bernstine (R)724-847-52910.3%

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 4779%
State Senate District 3713%
State Senate District 388.1%

State house districtShare of ZIP residents
State House District 1279%
State House District 2821%
State House District 80.3%

Voting precincts

16 voting precincts overlap ZIP 16046. 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://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:16046")

ZIP 16046 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.