Boundary Atlas

ZIP code 17847: Milton, PA

ZIP code 17847 is in Milton (56% of residents) and Montandon (2.4%), in Northumberland County (94%) and Montour County (5.8%), Pennsylvania. 41% of its residents live outside city limits. It is in Pennsylvania's 9th congressional district. Its state senate district is State Senate District 27; its state house district is State House District 108.

11,703residents (2020 Census)
46.3 sq miland area
2cities and towns
1congressional district
10voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Milton56%
Montandon2.4%

CountyShare of ZIP residents
Northumberland County94%
Montour County5.8%

Town or county subdivisionShare of ZIP residents
Milton borough56%
West Chillisquaque township17%
Turbot township15%
East Chillisquaque township5.3%
Limestone township4.4%
Liberty township1.4%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 9th congressional district (PA-09)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 27100%

State house districtShare of ZIP residents
State House District 108100%

Voting precincts

10 voting precincts overlap ZIP 17847. 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:17847")

ZIP 17847 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.