ZIP code 18015 is in Bethlehem (60% of residents) and Fountain Hill (15%), in Northampton County (78%) and Lehigh County (22%), Pennsylvania. 26% of its residents live outside city limits. It is in Pennsylvania's 7th congressional district. Its state senate districts are State Senate District 18 (78%), State Senate District 14 (20%) and State Senate District 16 (2.1%); its state house districts are State House District 135 (60%), State House District 131 (17%), State House District 133 (15%), State House District 22 (5.8%) and State House District 136 (2.6%).
Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
22 voting precincts overlap ZIP 18015.
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:18015")
ZIP 18015 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.