Boundary Atlas

ZIP code 15613: Washington, PA

ZIP code 15613 is in Orchard Hills (14% of residents), Apollo (12%) and Oklahoma (5.2%), in Westmoreland County (63%) and Armstrong County (37%), Pennsylvania. 68% of its residents live outside city limits. It is in Pennsylvania's 14th congressional district (63%) and Pennsylvania's 15th congressional district (37%). Its state senate district is State Senate District 41; its state house districts are State House District 55 (53%) and State House District 60 (47%).

13,462residents (2020 Census)
57.9 sq miland area
4cities and towns
2congressional districts
16voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Orchard Hills14%
Apollo12%
Oklahoma5.2%
Spring Church0.4%

CountyShare of ZIP residents
Westmoreland County63%
Armstrong County37%

Town or county subdivisionShare of ZIP residents
Washington township42%
Kiskiminetas township25%
Apollo borough12%
Allegheny township9.8%
Oklahoma borough5.2%
Bell township3.3%
Upper Burrell township3.0%

Congressional districts

Congressional districtShare of ZIP residents
Pennsylvania's 14th congressional district (PA-14)63%
Pennsylvania's 15th congressional district (PA-15)37%

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-14)Guy Reschenthaler (R)202-225-206563%
U.S. Representative (PA-15)Glenn Thompson (R)202-225-512137%
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 41)Joe Pittman (R)724-357-0151100%
State Representative (State House District 55)Jill Cooper (R)724-387-128153%
State Representative (State House District 60)Abby Major (R)724-763-322247%

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 41100%

State house districtShare of ZIP residents
State House District 5553%
State House District 6047%

Voting precincts

16 voting precincts overlap ZIP 15613. 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:15613")

ZIP 15613 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.