Boundary Atlas

ZIP code 08004: Atco, NJ

ZIP code 08004 is in Atco (75% of residents), in Camden County, New Jersey. 25% of its residents live outside city limits. It is in New Jersey's 1st congressional district. Its state senate district is State Senate District 4; its state house district is Assembly District 04.

12,005residents (2020 Census)
25.8 sq miland area
1cities and towns
1congressional district
11voting precincts

See it on the mapAll of New Jersey

City and county

City or townShare of ZIP residents
Atco75%

CountyShare of ZIP residents
Camden County100%

Town or county subdivisionShare of ZIP residents
Waterford township75%
Winslow township25%

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 4100%

State house districtShare of ZIP residents
Assembly District 04100%

Voting precincts

11 voting precincts overlap ZIP 08004. 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:08004")

ZIP 08004 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.