Boundary Atlas

ZIP code 07866: White Meadow Lake, NJ

ZIP code 07866 is in White Meadow Lake (38% of residents), Rockaway (29%), Mount Hope (6.0%) and Lake Telemark (5.1%), in Morris County, New Jersey. 22% of its residents live outside city limits. It is in New Jersey's 11th congressional district. Its state senate districts are State Senate District 25 (99%) and State Senate District 26 (1.1%); its state house districts are Assembly District 25 (99%) and Assembly District 26 (1.1%).

22,965residents (2020 Census)
23.0 sq miland area
5cities and towns
1congressional district
27voting precincts

See it on the mapAll of New Jersey

City and county

City or townShare of ZIP residents
White Meadow Lake38%
Rockaway29%
Mount Hope6.0%
Lake Telemark5.1%
Hibernia0.5%

CountyShare of ZIP residents
Morris County100%

Town or county subdivisionShare of ZIP residents
Rockaway township70%
Rockaway borough29%
Denville township1.1%

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 25)Tony Bucco (R)973-627-970099%
State Senator (State Senate District 26)Joe Pennacchio (R)973-227-40121.1%
Assembly Member (Assembly District 25)Aura Dunn (R)973-206-187699%
Assembly Member (Assembly District 25)Marisa Sweeney (Democratic)973-933-212499%
Assembly Member (Assembly District 26)Brian Bergen (R)973-539-81131.1%
Assembly Member (Assembly District 26)Jay Webber (R)973-917-34201.1%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 2599%
State Senate District 261.1%

State house districtShare of ZIP residents
Assembly District 2599%
Assembly District 261.1%

Voting precincts

27 voting precincts overlap ZIP 07866. Map them, with each precinct's share of the ZIP's residents.

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ZIP 07866 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.