ZIP code 17020: Penn, PA
ZIP code 17020 is in Duncannon (17% of residents), in Perry County (100%) and Dauphin County (0.1%), Pennsylvania. 83% of its residents live outside city limits. It is in Pennsylvania's 13th congressional district (100%) and Pennsylvania's 10th congressional district (0.1%). Its state senate district is State Senate District 34; its state house districts are State House District 86 (100%) and State House District 125 (0.1%).
See it on the mapAll of Pennsylvania
City and county
| City or town | Share of ZIP residents |
|---|---|
| Duncannon | 17% |
| County | Share of ZIP residents |
|---|---|
| Perry County | 100% |
| Dauphin County | 0.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Penn township | 36% |
| Wheatfield township | 28% |
| Duncannon borough | 17% |
| Watts township | 12% |
| Miller township | 5.4% |
| Carroll township | 0.6% |
| Reed township | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 13th congressional district (PA-13) | 100% |
| Pennsylvania's 10th congressional district (PA-10) | 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-13) | John Joyce (R) | 202-225-2431 | 100% |
| U.S. Representative (PA-10) | Scott Perry (R) | 202-225-5836 | 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 34) | Greg Rothman (R) | 717-283-4200 | 100% |
| State Representative (State House District 86) | Perry Stambaugh (R) | 717-582-8119 | 100% |
| State Representative (State House District 125) | Joe Kerwin (R) | 717-652-6820 | 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
- Duncannon website: http://www.duncannonboro.org
- Duncannon laws: search for the Duncannon, Pennsylvania code of ordinances
- Perry County website: http://www.perryco.org
- Perry County laws: search for the Perry County, Pennsylvania code of ordinances
- Dauphin County website: https://www.dauphincounty.gov
- Dauphin County laws: search for the Dauphin County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 34 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 86 | 100% |
| State House District 125 | 0.1% |
Voting precincts
7 voting precincts overlap ZIP 17020. 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:17020")
ZIP 17020 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.