Chester, Pennsylvania
Chester is a city in Delaware County, Pennsylvania, with 32,605 residents in 2020. It is in Pennsylvania's 5th congressional district. Its state senate district is State Senate District 9; its state house district is State House District 159.
County
| County | Share of residents |
|---|---|
| Delaware County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Pennsylvania's 5th congressional district (PA-05) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Stefan Roots | citywide | |
| U.S. Representative (PA-05) | Mary Gay Scanlon (D) | 202-225-2011 | 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 9) | John Kane (Democratic) | 100% | |
| State Representative (State House District 159) | Carol Kazeem (Democratic) | 610-876-6420 | 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
- Chester website: http://www.chestercity.com/
- Chester laws: search for the Chester, Pennsylvania code of ordinances
- Delaware County website: http://www.co.delaware.pa.us
- Delaware County laws: search for the Delaware County, Pennsylvania code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 9 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 159 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Chester: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Chester'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:4213208")
Chester 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.