ZIP code 18950: Tinicum, PA
ZIP code 18950 is in Bucks County, Pennsylvania, outside any city or Census-designated place. It is in Pennsylvania's 1st congressional district. Its state senate districts are State Senate District 16 (64%) and State Senate District 10 (36%); its state house district is State House District 143.
See it on the mapAll of Pennsylvania
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Bucks County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Tinicum township | 64% |
| Plumstead township | 36% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 1st congressional district (PA-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (PA-01) | Brian K. Fitzpatrick (R) | 202-225-4276 | 100% |
| 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 | 64% |
| State Senator (State Senate District 10) | Steve Santarsiero (Democratic) | 215-489-5000 | 36% |
| State Representative (State House District 143) | Shelby Labs (R) | 215-489-2126 | 100% |
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
- Bucks County website: http://www.buckscounty.org
- Bucks County laws: search for the Bucks County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 16 | 64% |
| State Senate District 10 | 36% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 143 | 100% |
Voting precincts
2 voting precincts overlap ZIP 18950. 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:18950")
ZIP 18950 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.