Elizabeth is both the largest
city and the
county seat of
Union County,
New Jersey,
United States. As of the
2010 United States Census, the city had a total population of 124,969, retaining its ranking as New Jersey's
fourth largest city (by population). The population increased by 4,401 (3.7%) from the 120,568 counted in the
2000 Census, which had in turn increased by 10,566 (+9.6%) from the 110,002 counted in the
1990 Census.