ZIP code 17841: Decatur, PA
ZIP code 17841 is in McClure (20% of residents), Wagner (2.5%) and Alfarata (2.0%), in Mifflin County (54%) and Snyder County (46%), Pennsylvania. 76% of its residents live outside city limits. It is in Pennsylvania's 13th congressional district (54%) and Pennsylvania's 15th congressional district (46%). Its state senate districts are State Senate District 30 (54%) and State Senate District 27 (46%); its state house district is State House District 85.
See it on the mapAll of Pennsylvania
City and county
| City or town | Share of ZIP residents |
|---|---|
| McClure | 20% |
| Wagner | 2.5% |
| Alfarata | 2.0% |
| County | Share of ZIP residents |
|---|---|
| Mifflin County | 54% |
| Snyder County | 46% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Decatur township | 54% |
| West Beaver township | 22% |
| McClure borough | 20% |
| Spring township | 4.2% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 13th congressional district (PA-13) | 54% |
| Pennsylvania's 15th congressional district (PA-15) | 46% |
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 30 | 54% |
| State Senate District 27 | 46% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 85 | 100% |
Voting precincts
5 voting precincts overlap ZIP 17841. 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:17841")
ZIP 17841 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.