Boundary Atlas

ZIP code 07901: Summit, NJ

ZIP code 07901 is in Summit (94% of residents) and New Providence (5.2%), in Union County, New Jersey. It is in New Jersey's 7th congressional district. Its state senate district is State Senate District 21; its state house district is Assembly District 21.

24,199residents (2020 Census)
6.3 sq miland area
2cities and towns
1congressional district
28voting precincts

See it on the mapAll of New Jersey

City and county

City or townShare of ZIP residents
Summit94%
New Providence5.2%

CountyShare of ZIP residents
Union County100%

Town or county subdivisionShare of ZIP residents
Summit city94%
New Providence borough5.2%
Berkeley Heights township1.0%

Congressional district

Congressional districtShare of ZIP residents
New Jersey's 7th congressional district (NJ-07)100%

Members of Congress

OfficeMemberContact
U.S. Representative (NJ-07)Thomas H. Kean, Jr. (R)202-225-5361
U.S. SenatorAndy Kim (D)202-224-4744
U.S. SenatorCory A. Booker (D)202-224-3224 · contact form

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate districtShare of ZIP residents
State Senate District 21100%

State house districtShare of ZIP residents
Assembly District 21100%

Voting precincts

28 voting precincts overlap ZIP 07901. 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:07901")

ZIP 07901 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.