Railroads connecting New York City and Chicago of the Lake Shore and Michigan Southern Railway, owned by the New York Central Railroad. In 1857, the Fort Wayne Railroad Bridge was completed across the Allegheny River in Pittsburgh, Pennsylvania, and trains began to run from Philadelphia to Chicago along the Pennsylvania Railroad and Pittsburgh, Fort Wayne and Chicago Rail Road (later part of the PRR). The Connecting Railway in Philadelphia opened for revenue service on June 3, 1867, with direct service between Philadelphia and Jersey City, New Jersey, across the Hudson River from New York. Through freight between Jersey City and Pittsburgh began the next month, and soon
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