Roselle Park is a borough in Union County, New Jersey, United States. As of the 2010 United States Census, the borough’s population was 13,297, reflecting an increase of 16 (+0.1%) from the 13,281 counted in the 2000 Census, which had in turn increased by 476 (+3.7%) from the 12,805 counted in the 1990 Census.

Roselle Park was incorporated as a borough by an act of the New Jersey Legislature on March 22, 1901, from portions of Union Township. Roselle Park’s name is derived from the Roselle Land Improvement Company, which was created in 1866 to lay out a community around the Mulford Station on the Central Railroad of New Jersey. The name “Roselle” is said to have been based on the company’s founder, John Conklin Rose or from John Pierre Roselle, a friend of the railroad’s president.

Unincorporated communities, localities and place names located partially or completely within the borough include Lorraine.

The borough is bordered to the northeast by Union Township, to the northwest by Kenilworth, to the east by Elizabeth, to the south by Roselle and to the west by Cranford.

As of the 2010 United States Census, there were 13,297 people, 5,002 households, and 3,406 families residing in the borough. The population densitywas 10,792.7 per square mile (4,167.1/km2). There were 5,231 housing units at an average density of 4,245.8 per square mile (1,639.3/km2). The racial makeup of the borough was 73.72% (9,802) White, 5.89% (783) Black or African American, 0.15% (20) Native American, 10.18% (1,354) Asian, 0.02% (2) Pacific Islander, 7.52% (1,000) from other races, and 2.53% (336) from two or more races. Hispanic or Latino of any race were 28.65% (3,809) of the population.

Source: Wikipedia