Boundary Atlas

Bethlehem, Pennsylvania

Bethlehem is a city in Northampton County (74% of residents) and Lehigh County (26%), Pennsylvania, with 75,781 residents in 2020. It is in Pennsylvania's 7th congressional district. It spans 2 state house districts. Its state senate district is State Senate District 18.

75,781residents (2020 Census)
19.1 sq miland area
4ZIP codes
1congressional district

County

CountyShare of residents
Northampton County74%
Lehigh County26%

Congressional district

Congressional districtShare of residents
Pennsylvania's 7th congressional district (PA-07)100%

Elected officials

OfficeMemberContactShare of residents
MayorJ. William Reynolds610-865-7100citywide
U.S. Representative (PA-07)Ryan Mackenzie (R)202-225-6411100%
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 18)Lisa Boscola (Democratic)610-250-5627100%
State Representative (State House District 135)Steve Samuelson (Democratic)610-867-389074%
State Representative (State House District 133)Jeanne McNeill (Democratic)610-266-127326%

Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); 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 18100%

State house districtShare of residents
State House District 13574%
State House District 13326%

ZIP codes

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

Get this in your AI agent

Your agent can get Bethlehem'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:4206088")

Bethlehem 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.