North Plainfield is a borough in Somerset County, New Jersey, United States. As of the 2010 United States Census, the borough’s population was 21,936, reflecting an increase of 833 (+3.9%) from the 21,103 counted in the 2000 Census, which had in turn increased by 2,283 (+12.1%) from the 18,820 counted in the 1990 Census.
North Plainfield Township was created from portions of Warren Township by an act of the New Jersey Legislature passed on April 2, 1872. The borough of North Plainfield became an independent municipality on June 9, 1885. The name derives from Plainfield, which derived its name from a local estate or from its scenic location.
As of the 2010 United States Census, there were 21,936 people, 7,448 households, and 5,265.736 families residing in the borough. The population density was 7,850.0 per square mile (3,030.9/km2). There were 7,848 housing units at an average density of 2,808.5 per square mile (1,084.4/km2). The racial makeup of the borough was 55.01% (12,066) White, 18.85% (4,134) Black or African American, 0.29% (63) Native American, 5.81% (1,275) Asian, 0.05% (12) Pacific Islander, 16.00% (3,510) from other races, and 3.99% (876) from two or more races. Hispanic or Latino of any race were 44.21% (9,699) of the population.
Source: Wikipedia