Boundary Atlas

ZIP code 07003: Bloomfield, NJ

ZIP code 07003 is in Brookdale (19% of residents), Watsessing (15%), Ampere North (9.7%) and Silver Lake (1.2%), in Essex County, New Jersey. 55% of its residents live outside city limits. It is in New Jersey's 11th congressional district. Its state senate district is State Senate District 34; its state house district is Assembly District 34.

52,955residents (2020 Census)
5.3 sq miland area
4cities and towns
1congressional district
35voting precincts

See it on the mapAll of New Jersey

City and county

City or townShare of ZIP residents
Brookdale19%
Watsessing15%
Ampere North9.7%
Silver Lake1.2%

CountyShare of ZIP residents
Essex County100%

Town or county subdivisionShare of ZIP residents
Bloomfield township100%

Congressional district

Congressional districtShare of ZIP residents
New Jersey's 11th congressional district (NJ-11)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 34100%

State house districtShare of ZIP residents
Assembly District 34100%

Voting precincts

35 voting precincts overlap ZIP 07003. 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:07003")

ZIP 07003 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.