Boundary Atlas

ZIP code 07751: Robertsville, NJ

ZIP code 07751 is in Robertsville (33% of residents) and Morganville (29%), in Monmouth County, New Jersey. 38% of its residents live outside city limits. It is in New Jersey's 3rd congressional district. Its state senate district is State Senate District 13; its state house district is Assembly District 13.

21,493residents (2020 Census)
16.6 sq miland area
2cities and towns
1congressional district
15voting precincts

See it on the mapAll of New Jersey

City and county

City or townShare of ZIP residents
Robertsville33%
Morganville29%

CountyShare of ZIP residents
Monmouth County100%

Town or county subdivisionShare of ZIP residents
Marlboro township100%

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 13100%

State house districtShare of ZIP residents
Assembly District 13100%

Voting precincts

15 voting precincts overlap ZIP 07751. Map them, with each precinct's share of the ZIP's residents.

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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:07751")

ZIP 07751 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.