ZIP code 19312: Berwyn, PA
ZIP code 19312 is in Berwyn (22% of residents) and Devon (1.7%), in Chester County (99%) and Delaware County (1.4%), Pennsylvania. 76% of its residents live outside city limits. It is in Pennsylvania's 6th congressional district (99%) and Pennsylvania's 5th congressional district (1.4%). Its state senate districts are State Senate District 19 (99%) and State Senate District 26 (1.4%); its state house districts are State House District 157 (99%) and State House District 168 (1.4%).
See it on the mapAll of Pennsylvania
City and county
| City or town | Share of ZIP residents |
|---|---|
| Berwyn | 22% |
| Devon | 1.7% |
| County | Share of ZIP residents |
|---|---|
| Chester County | 99% |
| Delaware County | 1.4% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Easttown township | 57% |
| Tredyffrin township | 41% |
| Newtown township | 1.4% |
| Willistown township | 0.9% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 6th congressional district (PA-06) | 99% |
| Pennsylvania's 5th congressional district (PA-05) | 1.4% |
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-06) | Chrissy Houlahan (D) | 202-225-4315 | 99% |
| U.S. Representative (PA-05) | Mary Gay Scanlon (D) | 202-225-2011 | 1.4% |
| 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 19) | Carolyn Comitta (Democratic) | 610-692-2112 | 99% |
| State Senator (State Senate District 26) | Tim Kearney (Democratic) | 610-352-3409 | 1.4% |
| State Representative (State House District 157) | Melissa Shusterman (Democratic) | 484-200-8260 | 99% |
| State Representative (State House District 168) | Lisa Borowski (Democratic) | 484-427-2884 | 1.4% |
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
- Berwyn laws: search for the Berwyn, Pennsylvania code of ordinances
- Devon laws: search for the Devon, Pennsylvania code of ordinances
- Chester County website: http://www.chesco.org
- Chester County laws: search for the Chester County, Pennsylvania code of ordinances
- Delaware County website: http://www.co.delaware.pa.us
- Delaware County laws: search for the Delaware County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 19 | 99% |
| State Senate District 26 | 1.4% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 157 | 99% |
| State House District 168 | 1.4% |
Voting precincts
16 voting precincts overlap ZIP 19312. 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:19312")
ZIP 19312 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.