Boundary Atlas

ZIP code 19035: Lower Merion, PA

ZIP code 19035 is in Montgomery County, Pennsylvania, outside any city or Census-designated place. It is in Pennsylvania's 4th congressional district (97%) and Pennsylvania's 5th congressional district (2.6%). Its state senate district is State Senate District 17; its state house districts are State House District 148 (93%) and State House District 149 (6.9%).

4,096residents (2020 Census)
4.7 sq miland area
0cities and towns
2congressional districts
8voting precincts

See it on the mapAll of Pennsylvania

City and county

Outside any city or Census-designated place.


CountyShare of ZIP residents
Montgomery County100%

Town or county subdivisionShare of ZIP residents
Lower Merion township100%

Congressional districts

Congressional districtShare of ZIP residents
Pennsylvania's 4th congressional district (PA-04)97%
Pennsylvania's 5th congressional district (PA-05)2.6%

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.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 17100%

State house districtShare of ZIP residents
State House District 14893%
State House District 1496.9%

Voting precincts

8 voting precincts overlap ZIP 19035. 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:19035")

ZIP 19035 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.