History of New Jersey of canals were built, the first of which is called the Morris Canal and ran from Phillipsburg, New Jersey, on the Delaware River to Jersey City, New Jersey, on the Hudson River. The Delaware and Raritan canal ran from New Brunswick, New Jersey, on the Raritan River, to Bordentown, New Jersey, on the Delaware River. Locomotion was also improved; Hoboken-born inventor John Stevens built a 10-ton locomotive and his son Robert L. Stevens started constructing iron railroads. By 1833, The Camden & Amboy Railroad had been completed, allowing a 7-hour passage between Philadelphia and New York City. Through the 1800s,
Jersey City, New Jersey and 2010 substantially increased the number of housing units and that new populations may have been undercounted by as many as 30,000 residents based on the city's calculations. Preliminary findings indicated that 19,000 housing units went uncounted. As of the 2000 United States Census, the population was 240,055 making Jersey City the 72nd-most-populous city in the U.S. Among cities with a population higher than 100,000 ranked in the 2000 Census, Jersey City was the fourth most densely populated large city in the United States, behind New York City; Paterson, New Jersey; and San Francisco. There were 88,632 households, and 55,660