Brookside, New Jersey

Brookside, New Jersey
Brookside Post Office
Brookside
Location in Morris County
Brookside
Location in New Jersey
Brookside
Location in the United States
Coordinates: 40°47′39″N 74°34′05″W / 40.79417°N 74.56806°W / 40.79417; -74.56806
Country United States
State New Jersey
CountyMorris
TownshipMendham
Area
  Total
2.42 sq mi (6.26 km2)
  Land2.40 sq mi (6.22 km2)
  Water0.01 sq mi (0.04 km2)
Elevation
420 ft (130 m)
Population
 (2020)
  Total
1,767
  Density735.33/sq mi (283.92/km2)
Time zoneUTC−05:00 (Eastern (EST))
  Summer (DST)UTC−04:00 (EDT)
ZIP Code
07926 (Brookside)
07945 (Mendham)
07960 (Morristown)
Area code973
FIPS code34-08260
GNIS feature ID2806058

Brookside (once called Waterstreet) is a historic unincorporated community and census-designated place (CDP) located within Mendham Township in Morris County, in the U.S. state of New Jersey. It is located approximately 6 mi (9.7 km) west of Morristown, the county seat.

In the Forbes magazine 2009 ranking of the Most Expensive ZIP Codes in the United States, Brookside was ranked as the 10th most expensive in the country, with its median home sale price of $3,121,115.

It was first listed as a CDP in 2020 census with a population of 1,767.