ZIP code 16037: Lancaster, PA
ZIP code 16037 is in Harmony (11% of residents), in Butler County (95%), Lawrence County (3.6%) and Beaver County (1.9%), Pennsylvania. 89% of its residents live outside city limits. It is in Pennsylvania's 16th congressional district (98%) and Pennsylvania's 17th congressional district (1.9%). Its state senate districts are State Senate District 47 (95%) and State Senate District 21 (5.4%); its state house districts are State House District 8 (62%), State House District 12 (36%) and State House District 14 (1.9%).
See it on the mapAll of Pennsylvania
City and county
| City or town | Share of ZIP residents |
|---|---|
| Harmony | 11% |
| County | Share of ZIP residents |
|---|---|
| Butler County | 95% |
| Lawrence County | 3.6% |
| Beaver County | 1.9% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Lancaster township | 53% |
| Jackson township | 26% |
| Harmony borough | 11% |
| Muddy Creek township | 5.4% |
| Perry township | 3.6% |
| Franklin township | 1.9% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Pennsylvania's 16th congressional district (PA-16) | 98% |
| Pennsylvania's 17th congressional district (PA-17) | 1.9% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (PA-16) | Mike Kelly (R) | 202-225-5406 | 98% |
| U.S. Representative (PA-17) | Christopher R. Deluzio (D) | 202-225-2301 | 1.9% |
| 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 47) | Elder Vogel (R) | 878-978-2575 | 95% |
| State Senator (State Senate District 21) | Scott Hutchinson (R) | 814-677-6345 | 5.4% |
| State Representative (State House District 8) | Aaron Bernstine (R) | 724-847-5291 | 62% |
| State Representative (State House District 12) | Brandon Dukes (Democratic) | 724-824-8671 | 36% |
| State Representative (State House District 14) | Roman Kozak (R) | 1.9% |
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
- Harmony laws: search for the Harmony, Pennsylvania code of ordinances
- Butler County website: http://www.co.butler.pa.us
- Butler County laws: search for the Butler County, Pennsylvania code of ordinances
- Lawrence County website: http://www.co.lawrence.pa.us
- Lawrence County laws: search for the Lawrence County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 47 | 95% |
| State Senate District 21 | 5.4% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 8 | 62% |
| State House District 12 | 36% |
| State House District 14 | 1.9% |
Voting precincts
6 voting precincts overlap ZIP 16037. 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:16037")
ZIP 16037 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.