Lincoln Park is a borough in Morris County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 10,521, reflecting a decline of 409 (-3.7%) from the 10,930 counted in the 2000 Census, which had in turn declined by 48 (-0.4%) from the 10,978 counted in the 1990 Census.Lincoln Park was incorporated as a borough by an act of the New Jersey Legislature on March 11, 1922, from portions of Pequannock Township. The borough was reincorporated on February 26, 1925. The borough was named for President Abraham Lincoln.New Jersey Monthly magazine ranked Lincoln Park as its 5th best place to live in its 2008 rankings of the "Best Places To Live" in the state.GeographyAccording to the United States Census Bureau, the borough had a total area of 6.910 square miles (17.898 km2), including 6.380 square miles (16.525 km2) of land and 0.530 square miles (1.373 km2) of water (7.67%).The borough borders Kinnelon, Montville and Pequannock Township in Morris County; Fairfield Township in Essex County; and Wayne in Passaic County.