Boundary Atlas

ZIP code 15238: Fox Chapel, PA

ZIP code 15238 is in Fox Chapel (28% of residents), Blawnox (11%) and Dorseyville (6.9%), in Allegheny County, Pennsylvania. 54% of its residents live outside city limits. It is in Pennsylvania's 17th congressional district. Its state senate district is State Senate District 38; its state house district is State House District 33.

13,266residents (2020 Census)
15.8 sq miland area
3cities and towns
1congressional district
17voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Fox Chapel28%
Blawnox11%
Dorseyville6.9%

CountyShare of ZIP residents
Allegheny County100%

Town or county subdivisionShare of ZIP residents
O'Hara township38%
Fox Chapel borough28%
Indiana township17%
Blawnox borough11%
Harmar township6.1%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 17th congressional district (PA-17)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (PA-17)Christopher R. Deluzio (D)202-225-2301100%
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 38)Lindsey Williams (Democratic)412-364-0469100%
State Representative (State House District 33)Mandy Steele (Democratic)724-826-5151100%

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 38100%

State house districtShare of ZIP residents
State House District 33100%

Voting precincts

17 voting precincts overlap ZIP 15238. 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:15238")

ZIP 15238 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.