Boundary Atlas

ZIP code 08502: Belle Mead, NJ

ZIP code 08502 is in Belle Mead (39% of residents) and Harlingen (3.7%), in Somerset County, New Jersey. 58% of its residents live outside city limits. It is in New Jersey's 12th congressional district. Its state senate district is State Senate District 16; its state house district is Assembly District 16.

11,636residents (2020 Census)
13.2 sq miland area
2cities and towns
1congressional district
12voting precincts

See it on the mapAll of New Jersey

City and county

City or townShare of ZIP residents
Belle Mead39%
Harlingen3.7%

CountyShare of ZIP residents
Somerset County100%

Town or county subdivisionShare of ZIP residents
Montgomery township100%

Congressional district

Congressional districtShare of ZIP residents
New Jersey's 12th congressional district (NJ-12)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 16100%

State house districtShare of ZIP residents
Assembly District 16100%

Voting precincts

12 voting precincts overlap ZIP 08502. 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:08502")

ZIP 08502 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.