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Union County, New Jersey

Union County is a county located in the U.S. state of New Jersey. As of the 2000 Census, the population is 522,541. It is part of the New York Metropolitan Area. Its county seat is Elizabeth. Union County ranks 92nd among the highest-income counties in the United States with a per capita income of $26,992. With more than 5,000 persons per square mile on average, Union County is one of the [most densely populated counties in America]. Its population density exceeds that of Fulton County, Georgia (which contains Atlanta), Denver County, Colorado (which contains Denver) and Dallas County, Texas (which contains Dallas)

Municipalities
 
Cities
Elizabeth
Linden
Plainfield
Rahway
Summit

Towns
Westfield

Townships
Berkeley Heights Township
Clark
Cranford
Hillside
Scotch Plains
Springfield Township
Union Township
Winfield Township

Boroughs
Fanwood
Garwood
Kenilworth
Mountainside
New Providence
Roselle Park
Roselle