ZIP code 07066: Clark, NJ

ZIP code 07066 is in Union County, New Jersey, outside any city or Census-designated place. It is in New Jersey's 7th congressional district. Its state senate districts are State Senate District 22 (100%) and State Senate District 21 (<0.1%); its state house districts are Assembly District 22 (100%) and Assembly District 21 (<0.1%).

15,555residents (2020 Census)

4.4 sq miland area

1cities and towns

1congressional district

18voting precincts

See it on the map All of New Jersey

City and county

City or town	Share of ZIP residents
Westfield	<0.1%

County	Share of ZIP residents
Union County	100%

Town or county subdivision	Share of ZIP residents
Clark township	100%
Westfield town	<0.1%
Cranford township	land only

Congressional district

Congressional district	Share of ZIP residents
New Jersey's 7th congressional district (NJ-07)	100%
New Jersey's 10th congressional district (NJ-10)	land only

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (NJ-07)	Thomas H. Kean, Jr. (R)	202-225-5361	100%
U.S. Representative (NJ-10)	LaMonica McIver (D)	202-225-3436	<0.1%
U.S. Senator	Andy Kim (D)	202-224-4744	statewide
U.S. Senator	Cory A. Booker (D)	202-224-3224 · contact form	statewide
State Senator (State Senate District 22)	Nick Scutari (Democratic)	732-827-7480	100%
State Senator (State Senate District 21)	Jon Bramnick (R)	908-232-2073	<0.1%
Assembly Member (Assembly District 22)	Jim Kennedy (Democratic)	732-943-2660	100%
Assembly Member (Assembly District 22)	Linda Carter (Democratic)	908-561-5757	100%
Assembly Member (Assembly District 21)	Andrew Macurdy (Democratic)	908-679-8499	<0.1%
Assembly Member (Assembly District 21)	Vinnie Kearney (Democratic)	908-516-2880	<0.1%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

Union County website: https://ucnj.org/
Union County laws: search for the Union County, New Jersey code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 22	100%
State Senate District 21	<0.1%

State house district	Share of ZIP residents
Assembly District 22	100%
Assembly District 21	<0.1%

Voting precincts

18 voting precincts overlap ZIP 07066. 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:07066")

ZIP 07066 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.