Boundary Atlas

Stonybrook, Pennsylvania

Stonybrook is a Census-designated place (an unincorporated community) in York County, Pennsylvania, with 3,281 residents in 2020. It spans 2 congressional districts: PA-10 (82%) and PA-11 (18%). It spans 2 state house districts. Its state senate district is State Senate District 28.

3,281residents (2020 Census)
1.9 sq miland area
2ZIP codes
2congressional districts

County

CountyShare of residents
York County100%

Congressional districts

Congressional districtShare of residents
Pennsylvania's 10th congressional district (PA-10)82%
Pennsylvania's 11th congressional district (PA-11)18%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (PA-10)Scott Perry (R)202-225-583682%
U.S. Representative (PA-11)Lloyd Smucker (R)202-225-241118%
U.S. SenatorDavid McCormick (R)202-224-6324 · contact formstatewide
U.S. SenatorJohn Fetterman (D)202-224-4254 · contact formstatewide
State Senator (State Senate District 28)Kristin Phillips-Hill (R)100%
State Representative (State House District 47)Joe D'Orsie (R)717-840-471166%
State Representative (State House District 94)Wendy Fink (R)717-244-923234%

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

State legislative districts

State senate districtShare of residents
State Senate District 28100%

State house districtShare of residents
State House District 4766%
State House District 9434%

ZIP codes

Percentages mark ZIPs only partly in Stonybrook: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Stonybrook'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:4274416")

Stonybrook here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.