ZIP code 15057: South Fayette, PA
ZIP code 15057 is in McDonald (12% of residents), Sturgeon (7.5%), Cecil-Bishop (3.3%) and Noblestown (3.2%), in Allegheny County (56%) and Washington County (44%), Pennsylvania. 74% of its residents live outside city limits. It is in Pennsylvania's 17th congressional district (56%) and Pennsylvania's 14th congressional district (44%). Its state senate districts are State Senate District 37 (56%) and State Senate District 46 (44%); its state house districts are State House District 46 (76%), State House District 44 (18%) and State House District 15 (6.1%).
See it on the mapAll of Pennsylvania
City and county
| City or town | Share of ZIP residents |
|---|---|
| McDonald | 12% |
| Sturgeon | 7.5% |
| Cecil-Bishop | 3.3% |
| Noblestown | 3.2% |
| Southview | 0.9% |
| Hickory | 0.3% |
| Midway | 0.1% |
| County | Share of ZIP residents |
|---|---|
| Allegheny County | 56% |
| Washington County | 44% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| South Fayette township | 35% |
| Cecil township | 19% |
| North Fayette township | 18% |
| McDonald borough | 10.0% |
| Mount Pleasant township | 9.8% |
| Robinson township | 5.8% |
| McDonald borough | 2.4% |
| Smith township | 0.2% |
| Midway borough | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 17th congressional district (PA-17) | 56% |
| Pennsylvania's 14th congressional district (PA-14) | 44% |
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
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (PA-17) | Christopher R. Deluzio (D) | 202-225-2301 | 56% |
| U.S. Representative (PA-14) | Guy Reschenthaler (R) | 202-225-2065 | 44% |
| U.S. Senator | David McCormick (R) | 202-224-6324 · contact form | statewide |
| U.S. Senator | John Fetterman (D) | 202-224-4254 · contact form | statewide |
| State Senator (State Senate District 37) | Devlin Robinson (R) | 412-643-3020 | 56% |
| State Senator (State Senate District 46) | Camera Bartolotta (R) | 724-225-4380 | 44% |
| State Representative (State House District 46) | Jason Ortitay (R) | 412-221-5110 | 76% |
| State Representative (State House District 44) | Valerie Gaydos (R) | 412-262-3780 | 18% |
| State Representative (State House District 15) | Josh Kail (R) | 724-728-7655 | 6.1% |
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
- McDonald website: http://www.mcdonaldboro.com
- McDonald laws: search for the McDonald, Pennsylvania code of ordinances
- Sturgeon laws: search for the Sturgeon, Pennsylvania code of ordinances
- Cecil-Bishop laws: search for the Cecil-Bishop, Pennsylvania code of ordinances
- Allegheny County website: https://www.alleghenycounty.us/Home
- Allegheny County laws: search for the Allegheny County, Pennsylvania code of ordinances
- Washington County website: http://www.co.washington.pa.us
- Washington County laws: search for the Washington County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 37 | 56% |
| State Senate District 46 | 44% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 46 | 76% |
| State House District 44 | 18% |
| State House District 15 | 6.1% |
Voting precincts
22 voting precincts overlap ZIP 15057. 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:15057")
ZIP 15057 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.