Boundary Atlas

ZIP code 08051: Mantua, NJ

ZIP code 08051 is in Gloucester County, New Jersey, outside any city or Census-designated place. It is in New Jersey's 1st congressional district. Its state senate districts are State Senate District 3 (98%) and State Senate District 5 (2.0%); its state house districts are Assembly District 03 (98%) and Assembly District 05 (2.0%).

10,644residents (2020 Census)
3.8 sq miland area
0cities and towns
1congressional district
11voting precincts

See it on the mapAll of New Jersey

City and county

Outside any city or Census-designated place.


CountyShare of ZIP residents
Gloucester County100%

Town or county subdivisionShare of ZIP residents
Mantua township76%
West Deptford township22%
Deptford township2.0%

Congressional district

Congressional districtShare of ZIP residents
New Jersey's 1st congressional district (NJ-01)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 398%
State Senate District 52.0%

State house districtShare of ZIP residents
Assembly District 0398%
Assembly District 052.0%

Voting precincts

11 voting precincts overlap ZIP 08051. 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:08051")

ZIP 08051 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.