Edgewater is a borough located along the Hudson River in Bergen County, New Jersey. Its history has featured the founding of the first colony in Bergen County, contribution to the Revolutionary War, a period as a "sleepy, pastoral little town" with resort hotels in the 19th century; industrialization in the early 20th century and transition to a residential community in the late 20th century.
As of the 2010 census, the borough had a population of 11,513. Edgewater was originally formed on December 7, 1894, from portions of Ridgefield Township as the Borough of Undercliff, at the height of the "Boroughitis" phenomenon then sweeping through Bergen County. The name was changed to Edgewater on November 8, 1899.
Coordinates are 40°49′48″N 73°58′26″W / 40.829893°N 73.973911°W / 40.829893; -73.973911 (40.829893, -73.973911).