ZIP code 18951: Quakertown, PA
ZIP code 18951 is in Quakertown (26% of residents), Spinnerstown (4.7%) and Milford Square (2.5%), in Bucks County (100%) and Lehigh County (0.1%), Pennsylvania. 67% of its residents live outside city limits. It is in Pennsylvania's 1st congressional district (100%) and Pennsylvania's 7th congressional district (0.1%). Its state senate district is State Senate District 16; its state house districts are State House District 145 (100%) and State House District 131 (0.1%).
See it on the mapAll of Pennsylvania
City and county
| City or town | Share of ZIP residents |
|---|---|
| Quakertown | 26% |
| Spinnerstown | 4.7% |
| Milford Square | 2.5% |
| Trumbauersville | 0.7% |
| County | Share of ZIP residents |
|---|---|
| Bucks County | 100% |
| Lehigh County | 0.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Richland township | 38% |
| Quakertown borough | 26% |
| Milford township | 24% |
| Haycock township | 5.3% |
| Springfield township | 3.0% |
| East Rockhill township | 1.8% |
| West Rockhill township | 0.9% |
| Trumbauersville borough | 0.7% |
| Lower Milford township | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 1st congressional district (PA-01) | 100% |
| Pennsylvania's 7th congressional district (PA-07) | 0.1% |
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-01) | Brian K. Fitzpatrick (R) | 202-225-4276 | 100% |
| U.S. Representative (PA-07) | Ryan Mackenzie (R) | 202-225-6411 | 0.1% |
| 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 16) | Jarrett Coleman (R) | 267-551-3744 | 100% |
| State Representative (State House District 145) | Craig Staats (R) | 215-536-1434 | 100% |
| State Representative (State House District 131) | Milou Mackenzie (R) | 215-679-3152 | 0.1% |
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
- Quakertown laws: search for the Quakertown, Pennsylvania code of ordinances
- Spinnerstown laws: search for the Spinnerstown, Pennsylvania code of ordinances
- Milford Square laws: search for the Milford Square, Pennsylvania code of ordinances
- Bucks County website: http://www.buckscounty.org
- Bucks County laws: search for the Bucks County, Pennsylvania code of ordinances
- Lehigh County website: http://www.lehighcounty.org
- Lehigh County laws: search for the Lehigh County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 16 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 145 | 100% |
| State House District 131 | 0.1% |
Voting precincts
20 voting precincts overlap ZIP 18951. 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:18951")
ZIP 18951 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.