ZIP code 17331: Hanover, PA
ZIP code 17331 is in Hanover (30% of residents), Parkville (15%), Pennville (4.4%) and Midway (1.7%), in York County (80%) and Adams County (20%), Pennsylvania. 49% of its residents live outside city limits. It is in Pennsylvania's 11th congressional district (80%) and Pennsylvania's 13th congressional district (20%). Its state senate districts are State Senate District 28 (80%) and State Senate District 33 (20%); its state house districts are State House District 169 (78%), State House District 91 (17%), State House District 193 (2.9%) and State House District 196 (2.5%).
See it on the mapAll of Pennsylvania
City and county
| City or town | Share of ZIP residents |
|---|---|
| Hanover | 30% |
| Parkville | 15% |
| Pennville | 4.4% |
| Midway | 1.7% |
| County | Share of ZIP residents |
|---|---|
| York County | 80% |
| Adams County | 20% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Penn township | 32% |
| Hanover borough | 30% |
| West Manheim township | 16% |
| Conewago township | 13% |
| Berwick township | 2.8% |
| Union township | 2.3% |
| Heidelberg township | 2.0% |
| Mount Pleasant township | 1.2% |
| Manheim township | 0.7% |
| Jackson township | 0.2% |
| Paradise township | 0.2% |
| Oxford township | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 11th congressional district (PA-11) | 80% |
| Pennsylvania's 13th congressional district (PA-13) | 20% |
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.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 28 | 80% |
| State Senate District 33 | 20% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 169 | 78% |
| State House District 91 | 17% |
| State House District 193 | 2.9% |
| State House District 196 | 2.5% |
Voting precincts
23 voting precincts overlap ZIP 17331. 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:17331")
ZIP 17331 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.