Boundary Atlas

ZIP code 17543: Lititz, PA

ZIP code 17543 is in Lititz (21% of residents), Rothsville (6.5%) and Brickerville (2.8%), in Lancaster County, Pennsylvania. 70% of its residents live outside city limits. It is in Pennsylvania's 11th congressional district. Its state senate districts are State Senate District 36 (97%) and State Senate District 48 (2.6%); its state house districts are State House District 37 (77%), State House District 96 (18%), State House District 97 (3.5%), State House District 43 (1.0%) and State House District 41 (0.1%).

45,320residents (2020 Census)
66.0 sq miland area
6cities and towns
1congressional district
31voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Lititz21%
Rothsville6.5%
Brickerville2.8%
Hopeland0.9%
Clay0.4%
Penryn0.3%

CountyShare of ZIP residents
Lancaster County100%

Town or county subdivisionShare of ZIP residents
Warwick township41%
Manheim township22%
Lititz borough21%
Elizabeth township8.3%
Penn township4.2%
Clay township2.6%
Ephrata township1.0%
East Hempfield township0.1%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 11th congressional district (PA-11)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 3697%
State Senate District 482.6%

State house districtShare of ZIP residents
State House District 3777%
State House District 9618%
State House District 973.5%
State House District 431.0%
State House District 410.1%

Voting precincts

31 voting precincts overlap ZIP 17543. 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:17543")

ZIP 17543 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.