ZIP code 17978: Lykens, PA
ZIP code 17978 is in Dauphin County (65%) and Schuylkill County (35%), Pennsylvania, outside any city or Census-designated place. It is in Pennsylvania's 10th congressional district (65%) and Pennsylvania's 9th congressional district (35%). Its state senate districts are State Senate District 34 (65%) and State Senate District 29 (35%); its state house districts are State House District 125 (65%) and State House District 107 (35%).
See it on the mapAll of Pennsylvania
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Dauphin County | 65% |
| Schuylkill County | 35% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Lykens township | 65% |
| Hubley township | 35% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 10th congressional district (PA-10) | 65% |
| Pennsylvania's 9th congressional district (PA-09) | 35% |
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-10) | Scott Perry (R) | 202-225-5836 | 65% |
| U.S. Representative (PA-09) | Daniel Meuser (R) | 202-225-6511 | 35% |
| 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 34) | Greg Rothman (R) | 717-283-4200 | 65% |
| State Senator (State Senate District 29) | Dave Argall (R) | 877-327-4255 | 35% |
| State Representative (State House District 125) | Joe Kerwin (R) | 717-652-6820 | 65% |
| State Representative (State House District 107) | Joanne Stehr (R) | 570-653-2018 | 35% |
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
- Dauphin County website: https://www.dauphincounty.gov
- Dauphin County laws: search for the Dauphin County, Pennsylvania code of ordinances
- Schuylkill County website: http://www.co.schuylkill.pa.us
- Schuylkill County laws: search for the Schuylkill County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 34 | 65% |
| State Senate District 29 | 35% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 125 | 65% |
| State House District 107 | 35% |
Voting precincts
3 voting precincts overlap ZIP 17978. 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:17978")
ZIP 17978 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.