Williamsport, Pennsylvania
Williamsport is a city in Lycoming County, Pennsylvania, with 27,754 residents in 2020. It spans 2 congressional districts: PA-09 (98%) and PA-15 (1.6%). Its state senate district is State Senate District 23; its state house district is State House District 83.
County
| County | Share of residents |
|---|---|
| Lycoming County | 100% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Pennsylvania's 9th congressional district (PA-09) | 98% |
| Pennsylvania's 15th congressional district (PA-15) | 1.6% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Derek J. Slaughter | citywide | |
| U.S. Representative (PA-09) | Daniel Meuser (R) | 202-225-6511 | 98% |
| U.S. Representative (PA-15) | Glenn Thompson (R) | 202-225-5121 | 1.6% |
| 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 23) | Gene Yaw (R) | 570-724-5231 | 100% |
| State Representative (State House District 83) | Jamie Flick (R) | 570-321-1270 | 100% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Williamsport website: http://www.cityofwilliamsport.org/
- Williamsport laws: search for the Williamsport, Pennsylvania code of ordinances
- Lycoming County website: http://www.lyco.org
- Lycoming County laws: search for the Lycoming County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 23 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 83 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Williamsport: the share of that ZIP's residents living in it.
- 17701 (64%)
Get this in your AI agent
Your agent can get Williamsport's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:4285312")
Williamsport here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.