ZIP code 16331: Ashland, PA
ZIP code 16331 is in Clarion County, Pennsylvania, outside any city or Census-designated place. It is in Pennsylvania's 15th congressional district. Its state senate district is State Senate District 21; its state house district is State House District 63.
See it on the mapAll of Pennsylvania
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Clarion County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Ashland township | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 15th congressional district (PA-15) | 100% |
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 21 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 63 | 100% |
Voting precincts
1 voting precinct overlap ZIP 16331. 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:16331")
ZIP 16331 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.