ZIP code 19540: Mohnton, PA
ZIP code 19540 is in Mohnton (25% of residents), Alleghenyville (8.6%), Bowmansville (3.1%) and Pennwyn (1.5%), in Berks County (93%) and Lancaster County (7.2%), Pennsylvania. 62% of its residents live outside city limits. It is in Pennsylvania's 6th congressional district (93%) and Pennsylvania's 11th congressional district (7.2%). Its state senate districts are State Senate District 13 (48%), State Senate District 11 (45%) and State Senate District 48 (7.2%); its state house districts are State House District 99 (78%) and State House District 128 (22%).
See it on the mapAll of Pennsylvania
City and county
| City or town | Share of ZIP residents |
|---|---|
| Mohnton | 25% |
| Alleghenyville | 8.6% |
| Bowmansville | 3.1% |
| Pennwyn | 1.5% |
| Adamstown | 0.1% |
| County | Share of ZIP residents |
|---|---|
| Berks County | 93% |
| Lancaster County | 7.2% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Brecknock township | 36% |
| Mohnton borough | 25% |
| Cumru township | 20% |
| Robeson township | 12% |
| Brecknock township | 7.1% |
| Adamstown borough | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 6th congressional district (PA-06) | 93% |
| Pennsylvania's 11th congressional district (PA-11) | 7.2% |
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 | 93% |
| U.S. Representative (PA-11) | Lloyd Smucker (R) | 202-225-2411 | 7.2% |
| 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 13) | Scott Martin (R) | 717-397-1309 | 48% |
| State Senator (State Senate District 11) | Judy Schwank (Democratic) | 610-929-2151 | 45% |
| State Senator (State Senate District 48) | Chris Gebhard (R) | 717-274-6735 | 7.2% |
| State Representative (State House District 99) | Dave Zimmerman (R) | 717-556-0031 | 78% |
| State Representative (State House District 128) | Mark Gillen (R) | 610-775-5130 | 22% |
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
- Mohnton laws: search for the Mohnton, Pennsylvania code of ordinances
- Alleghenyville laws: search for the Alleghenyville, Pennsylvania code of ordinances
- Bowmansville laws: search for the Bowmansville, Pennsylvania code of ordinances
- Berks County website: http://www.co.berks.pa.us
- Berks County laws: search for the Berks County, Pennsylvania code of ordinances
- Lancaster County website: http://www.co.lancaster.pa.us
- Lancaster County laws: search for the Lancaster County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 13 | 48% |
| State Senate District 11 | 45% |
| State Senate District 48 | 7.2% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 99 | 78% |
| State House District 128 | 22% |
Voting precincts
12 voting precincts overlap ZIP 19540. 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:19540")
ZIP 19540 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.