Cedar Knolls is an

unincorporated community An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...

located within Hanover Township in Morris County, in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...

New Jersey New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...

. It is part of Hanover Township along with Whippany. It was first listed as a CDP in the 2020 census with a population of 4,082.

Geography

Cedar Knolls is in eastern Morris County, in the western part of Hanover Township. It is bordered to the east by Whippany, to the south by Morris Township, and partially to the west by the borough of Morris Plains.

Interstate 287 Interstate 287 (I-287) is an auxiliary Interstate Highway in the US states of New Jersey and New York (state), New York. It is a partial beltway around New York City, serving northern New Jersey and the counties of Rockland County, New York ...

forms the eastern border of Cedar Knolls and leads southwest to Morristown, the

county seat A county seat is an administrative center, seat of government, or capital city of a county or parish (administrative division), civil parish. The term is in use in five countries: Canada, China, Hungary, Romania, and the United States. An equiva ...

, and northeast the same distance to Parsippany. According to the

U.S. Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the U.S. federal statistical system, responsible for producing data about the American people and economy. The U.S. Census Bureau is part of the U ...

, the Cedar Knolls CDP has an area of , of which are land and , or 1.58%, are water. The

Whippany River The Whippany River is a tributary of the Rockaway River, approximately 20 mi (30 km) long, in northern New Jersey in the United States. It rises in Morris County, in Mendham Township west of Morristown, and flows generally ENE in a ...

flows through the southeast part of the community and is part of the

Passaic River The Passaic River ( or ) is a river, approximately long, in North Jersey, northern New Jersey. The river in its upper course flows in a highly circuitous route, meandering through the swamp lowlands between the ridge hills of rural and suburb ...

watershed.

Demographics

Cedar Knolls first appeared as a

census designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

in the 2020 U.S. Census.

2020 census

References

{{Morris County, New Jersey Hanover Township, New Jersey Unincorporated communities in Morris County, New Jersey Unincorporated communities in New Jersey