Boundary Atlas

ZIP code 17837: Lewisburg, PA

ZIP code 17837 is in Lewisburg (28% of residents) and Linntown (9.0%), in Union County, Pennsylvania. 63% of its residents live outside city limits. It is in Pennsylvania's 15th congressional district. Its state senate district is State Senate District 23; its state house districts are State House District 76 (59%), State House District 85 (39%) and State House District 83 (2.1%).

18,734residents (2020 Census)
56.2 sq miland area
3cities and towns
1congressional district
15voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Lewisburg28%
Linntown9.0%
Vicksburg0.2%

CountyShare of ZIP residents
Union County100%

Town or county subdivisionShare of ZIP residents
East Buffalo township39%
Lewisburg borough28%
Kelly township19%
Buffalo township12%
White Deer township2.1%
Union township0.1%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 15th congressional district (PA-15)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 23100%

State house districtShare of ZIP residents
State House District 7659%
State House District 8539%
State House District 832.1%

Voting precincts

15 voting precincts overlap ZIP 17837. 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:17837")

ZIP 17837 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.