ZIP code 19428: Conshohocken, PA
ZIP code 19428 is in Conshohocken (47% of residents), West Conshohocken (7.6%) and Plymouth Meeting (2.1%), in Montgomery County, Pennsylvania. 43% of its residents live outside city limits. It is in Pennsylvania's 4th congressional district (96%) and Pennsylvania's 5th congressional district (4.1%). Its state senate districts are State Senate District 7 (65%), State Senate District 12 (23%) and State Senate District 17 (12%); its state house districts are State House District 54 (70%), State House District 148 (18%) and State House District 149 (12%).
See it on the mapAll of Pennsylvania
City and county
| City or town | Share of ZIP residents |
|---|---|
| Conshohocken | 47% |
| West Conshohocken | 7.6% |
| Plymouth Meeting | 2.1% |
| County | Share of ZIP residents |
|---|---|
| Montgomery County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Conshohocken borough | 47% |
| Plymouth township | 23% |
| Whitemarsh township | 18% |
| West Conshohocken borough | 7.6% |
| Upper Merion township | 4.1% |
| Lower Merion township | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 4th congressional district (PA-04) | 96% |
| Pennsylvania's 5th congressional district (PA-05) | 4.1% |
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-04) | Madeleine Dean (D) | 202-225-4731 | 96% |
| U.S. Representative (PA-05) | Mary Gay Scanlon (D) | 202-225-2011 | 4.1% |
| 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 7) | Vincent Hughes (Democratic) | 215-879-7777 | 65% |
| State Senator (State Senate District 12) | Maria Collett (Democratic) | 215-368-1429 | 23% |
| State Senator (State Senate District 17) | Amanda Cappelletti (Democratic) | 610-896-2832 | 12% |
| State Representative (State House District 54) | Greg Scott (Democratic) | 484-685-3494 | 70% |
| State Representative (State House District 148) | Mary Jo Daley (Democratic) | 610-832-1679 | 18% |
| State Representative (State House District 149) | Tim Briggs (Democratic) | 610-768-3135 | 12% |
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
- Conshohocken laws: search for the Conshohocken, Pennsylvania code of ordinances
- West Conshohocken laws: search for the West Conshohocken, Pennsylvania code of ordinances
- Plymouth Meeting laws: search for the Plymouth Meeting, Pennsylvania code of ordinances
- Montgomery County website: https://www.montgomerycountypa.gov/
- Montgomery County laws: search for the Montgomery County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 7 | 65% |
| State Senate District 12 | 23% |
| State Senate District 17 | 12% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 54 | 70% |
| State House District 148 | 18% |
| State House District 149 | 12% |
Voting precincts
20 voting precincts overlap ZIP 19428. 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:19428")
ZIP 19428 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.