ZIP code 18078: Schnecksville, PA

ZIP code 18078 is in Schnecksville (47% of residents), in Lehigh County, Pennsylvania. 53% 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 183 (94%) and State House District 187 (6.0%).

6,996residents (2020 Census)

15.6 sq miland area

1cities and towns

1congressional district

7voting precincts

See it on the map All of Pennsylvania

City and county

City or town	Share of ZIP residents
Schnecksville	47%

County	Share of ZIP residents
Lehigh County	100%

Town or county subdivision	Share of ZIP residents
North Whitehall township	87%
Lowhill township	6.7%
Heidelberg township	5.1%
Washington township	0.9%

Congressional district

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

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (PA-07)	Ryan Mackenzie (R)	202-225-6411	100%
U.S. Senator	David McCormick (R)	202-224-6324 · contact form	statewide
U.S. Senator	John Fetterman (D)	202-224-4254 · contact form	statewide
State Senator (State Senate District 16)	Jarrett Coleman (R)	267-551-3744	100%
State Representative (State House District 183)	Zach Mako (R)	610-502-2701	94%
State Representative (State House District 187)	Gary Day (R)	610-965-9933	6.0%

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

Schnecksville laws: search for the Schnecksville, Pennsylvania code of ordinances
Lehigh County website: http://www.lehighcounty.org
Lehigh County laws: search for the Lehigh County, Pennsylvania code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 16	100%

State house district	Share of ZIP residents
State House District 183	94%
State House District 187	6.0%

Voting precincts

7 voting precincts overlap ZIP 18078. 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:

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ZIP 18078 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.