Boundary Atlas

ZIP code 18087: Trexlertown, PA

ZIP code 18087 is in Trexlertown (68% of residents), in Lehigh County, Pennsylvania. 32% of its residents live outside city limits. It is in Pennsylvania's 7th congressional district. Its state senate district is State Senate District 16; its state house districts are State House District 132 (68%) and State House District 187 (32%).

747residents (2020 Census)
1.1 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Trexlertown68%

CountyShare of ZIP residents
Lehigh County100%

Town or county subdivisionShare of ZIP residents
Upper Macungie township68%
Lower Macungie township32%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 7th congressional district (PA-07)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (PA-07)Ryan Mackenzie (R)202-225-6411100%
U.S. SenatorDavid McCormick (R)202-224-6324 · contact formstatewide
U.S. SenatorJohn Fetterman (D)202-224-4254 · contact formstatewide
State Senator (State Senate District 16)Jarrett Coleman (R)267-551-3744100%
State Representative (State House District 132)Mike Schlossberg (Democratic)610-821-557768%
State Representative (State House District 187)Gary Day (R)610-965-993332%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 16100%

State house districtShare of ZIP residents
State House District 13268%
State House District 18732%

Voting precincts

3 voting precincts overlap ZIP 18087. 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:18087")

ZIP 18087 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.