Jersey City is the second-most populous city in the U.S. state of New Jersey, after Newark. It is the county seat of Hudson County, and is t…Jersey City is the second-most populous city in the U.S. state of New Jersey, after Newark. It is the county seat of Hudson County, and is the county's most populous city and its largest. As of the 2020 United States census, the city's population was 292,449, an increase of 44,852 from the 2010 census count of 247,597, in turn an increase of 7,542 from the 240,055 enumerated at the 2000 census. The Population Estimates Program calculated a population of 291,657 for 2023, making it the 72nd-most populous municipality in the nation.
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