Perth Amboy is a city in Middlesex County, New Jersey, United States. The City of Perth Amboy is part of the New York metropolitan area. As of the 2010 United States Census, the city's population was 50,814, reflecting an increase of 3,511 (+7.4%) from the 47,303 counted in the 2000 Census, which had in turn increased by 5,336 (+12.7%) from the 41,967 counted in the 1990 Census. Perth Amboy has a Hispanic majority population. In the 2010 census, persons of "Hispanic, Latino or Spanish origin" made up 78.1% of the population, second to Union City at 84.7%. Perth Amboy is known as the "City by the Bay," referring to Raritan Bay.Perth Amboy was settled in 1683 by Scottish colonists. It was called "New Perth" after James Drummond, 4th Earl of Perth, and the Lenape Native Americans called the point on which the city lies "Ompoge"; the native name was eventually corrupted and the two names were merged. Perth Amboy was formed by Royal charter in 1718, and the New Jersey Legislature reaffirmed its status in 1784, after independence. The city was a capital of the Province of New Jersey from 1686 to 1776. During the mid-1800s, the Industrial Revolution and immigration grew the city, developing a variety of neighborhoods which residents from a diverse range of ethnicities lived in. The city developed into a resort town for the Raritan Bayshore near it, but the city has grew in other industries since its redevelopment starting from the 1990s.
Perth Amboy borders the Arthur Kill, and features a historic waterfront. The Perth Amboy Ferry Slip was once an important ferry slip in the area, and it was added to the National Register of Historic Places in 1978. The Raritan Yacht Club, one of the oldest yacht clubs in the United States, is located in the city. Perth Amboy is connected to the Staten Island borough of New York City via the Outerbridge Crossing.