ZIP code 19087: Wayne, PA
ZIP code 19087 is in Wayne (21% of residents), Chesterbrook (17%) and St. Davids (9.2%), in Chester County (47%), Delaware County (42%) and Montgomery County (11%), Pennsylvania. 53% of its residents live outside city limits. It is in Pennsylvania's 5th congressional district (53%) and Pennsylvania's 6th congressional district (47%). Its state senate districts are State Senate District 17 (53%), State Senate District 19 (47%) and State Senate District 26 (<0.1%); its state house districts are State House District 157 (47%), State House District 168 (42%) and State House District 149 (11%).
See it on the mapAll of Pennsylvania
City and county
| City or town | Share of ZIP residents |
|---|---|
| Wayne | 21% |
| Chesterbrook | 17% |
| St. Davids | 9.2% |
| County | Share of ZIP residents |
|---|---|
| Chester County | 47% |
| Delaware County | 42% |
| Montgomery County | 11% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Tredyffrin township | 47% |
| Radnor township | 41% |
| Upper Merion township | 11% |
| Newtown township | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 5th congressional district (PA-05) | 53% |
| Pennsylvania's 6th congressional district (PA-06) | 47% |
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 district | Share of ZIP residents |
|---|---|
| State Senate District 17 | 53% |
| State Senate District 19 | 47% |
| State Senate District 26 | <0.1% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 157 | 47% |
| State House District 168 | 42% |
| State House District 149 | 11% |
Voting precincts
22 voting precincts overlap ZIP 19087. 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:19087")
ZIP 19087 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.