Boundary Atlas

ZIP code 07046: Mountain Lakes, NJ

ZIP code 07046 is in Mountain Lakes (99% of residents), in Morris County, New Jersey. It is in New Jersey's 11th congressional district. Its state senate district is State Senate District 26; its state house district is Assembly District 26.

4,508residents (2020 Census)
2.7 sq miland area
1cities and towns
1congressional district
6voting precincts

See it on the mapAll of New Jersey

City and county

City or townShare of ZIP residents
Mountain Lakes99%

CountyShare of ZIP residents
Morris County100%

Town or county subdivisionShare of ZIP residents
Mountain Lakes borough99%
Denville township0.8%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (NJ-11)Analilia Mejia (D)202-225-5034100%
U.S. SenatorAndy Kim (D)202-224-4744statewide
U.S. SenatorCory A. Booker (D)202-224-3224 · contact formstatewide
State Senator (State Senate District 26)Joe Pennacchio (R)973-227-4012100%
Assembly Member (Assembly District 26)Brian Bergen (R)973-539-8113100%
Assembly Member (Assembly District 26)Jay Webber (R)973-917-3420100%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 26100%

State house districtShare of ZIP residents
Assembly District 26100%

Voting precincts

6 voting precincts overlap ZIP 07046. Map them, with each precinct's share of the ZIP's residents.

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ZIP 07046 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.