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 (by area). As of the 2020 United States census, the city's population was 292,449, an increase of 44,852 (+18.1%) from the 2010 census count of 247,597, in turn an increase of 7,542 (+3.1%) 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. With more than 40 languages spoken in more than 52% of homes and as of 2020, 42.5% of residents born outside the United States, Jersey City is one of the most ethnically diverse cities in the world and the most ethnically diverse in the United States.
The third most-populous city in the New York metropolitan area, Jersey City is bounded on the east by the Hudson River and Upper New York Bay and on the west by the Hackensack River and Newark Bay. A port of entry, with 30.7 miles (49.4 km) of waterfront and extensive rail infrastructure and connectivity, the city is an important transportation terminus and distribution and manufacturing center for the Port of New York and New Jersey with Port Jersey as the city's intermodal freight transport facility and container shipping terminal. The Holland Tunnel, PATH rapid transit system, and NY Waterway ferry service connect across the Hudson River with Manhattan.
The area was settled by the Dutch in the 17th century as Pavonia and later established as Bergen; the first permanent settlement, local civil government and oldest municipality in what became the state of New Jersey. The area came under English control in 1664. Jersey City was incorporated in 1838 and annexed Van Vorst Township in 1851. On May 3, 1870, following a special election in 1869 with a majority of county support, Jersey City annexed Bergen City and Hudson City to form "Greater Jersey City" with Greenville joining in 1873. Jersey City grew into a busy port city on New York Harbor by the late 19th and early 20th century. Jersey City's official motto, displayed on the city seal and flag, is "Let Jersey Prosper" referencing its 19th century boarder dispute with New York City.
Jersey City is home to several institutions of higher education such as New Jersey City University, Saint Peter's University and Hudson County Community College. As the county seat, Jersey City is home to the Hudson County Courthouse and Frank J. Guarini Justice Complex. Cultural venues throughout the city include the Loew's Jersey Theatre, White Eagle Hall, the Liberty Science Center, Ellis Island, Mana Contemporary and the Museum of Jersey City History. Large parks in Jersey City are Liberty State Park, Lincoln Park and Berry Lane Park. Redevelopment of the Jersey City waterfront has made the city one of the largest hubs for banking and finance in the United States and has led to the district and city being nicknamed Wall Street West. Since the 1990s, Jersey City has been a destination for artists and hipsters. With the city's proximity and connections to Manhattan, its growing arts, culture and nightlife scene and its own finance and tech based economy, apartment rents in the city have grown to become some of the highest in the United States. In response, Jersey City has instituted zoning and legislation to require developers to include affordable housing units in their developments. In 2023, Travel + Leisure ranked Jersey City as the best the place to live in New Jersey.