Boundary Atlas

ZIP code 08505: Bordentown, NJ

ZIP code 08505 is in Bordentown (22% of residents) and Fieldsboro (2.9%), in Burlington County, New Jersey. 75% of its residents live outside city limits. It is in New Jersey's 3rd congressional district. Its state senate districts are State Senate District 7 (94%) and State Senate District 8 (6.0%); its state house districts are Assembly District 07 (94%) and Assembly District 08 (6.0%).

18,178residents (2020 Census)
22.5 sq miland area
2cities and towns
1congressional district
23voting precincts

See it on the mapAll of New Jersey

City and county

City or townShare of ZIP residents
Bordentown22%
Fieldsboro2.9%

CountyShare of ZIP residents
Burlington County100%

Town or county subdivisionShare of ZIP residents
Bordentown township55%
Bordentown city22%
Florence township14%
Mansfield township3.6%
Fieldsboro borough2.9%
Springfield township2.4%

Congressional district

Congressional districtShare of ZIP residents
New Jersey's 3rd congressional district (NJ-03)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 794%
State Senate District 86.0%

State house districtShare of ZIP residents
Assembly District 0794%
Assembly District 086.0%

Voting precincts

23 voting precincts overlap ZIP 08505. 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:08505")

ZIP 08505 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.