ZIP code 16921: Gaines, PA
ZIP code 16921 is in Tioga County (94%) and Potter County (5.5%), Pennsylvania, outside any city or Census-designated place. It is in Pennsylvania's 15th congressional district. Its state senate districts are State Senate District 23 (94%) and State Senate District 25 (5.5%); its state house districts are State House District 68 (94%) and State House District 67 (5.5%).
See it on the mapAll of Pennsylvania
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Tioga County | 94% |
| Potter County | 5.5% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Gaines township | 88% |
| Elk township | 6.8% |
| Pike township | 5.5% |
| Shippen township | land only |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 15th congressional district (PA-15) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (PA-15) | Glenn Thompson (R) | 202-225-5121 | 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 23) | Gene Yaw (R) | 570-724-5231 | 94% |
| State Senator (State Senate District 25) | Cris Dush (R) | 814-646-7272 | 5.5% |
| State Representative (State House District 68) | Clint Owlett (R) | 570-724-1390 | 94% |
| State Representative (State House District 67) | Marty Causer (R) | 814-362-4400 | 5.5% |
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
- Tioga County website: https://www.tiogacountypa.us/
- Tioga County laws: search for the Tioga County, Pennsylvania code of ordinances
- Potter County website: http://www.pottercountypa.net
- Potter County laws: search for the Potter County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 23 | 94% |
| State Senate District 25 | 5.5% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 68 | 94% |
| State House District 67 | 5.5% |
Voting precincts
4 voting precincts overlap ZIP 16921. 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:16921")
ZIP 16921 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.