Guttenberg

Guttenberg (/ˈɡʌtənbɜːrɡ/ GUT-ən-burg) is a town in the northern part of Hudson County, in the U.S. state of New Jersey. In the 2020 Census, it was the most densely populated incorporated municipality in the United States, as well as one of the most densely populated municipalities worldwide, with 57,116 inhabitants per square mile (22,053/km) of land area. Only four blocks wide north to south, Guttenberg has been variously ranked as the ninth-smallest municipality in the state (based on data from the U.S. Census Bureau) or as the state's seventh-smallest municipality (based on data from the New Jersey Department of Environmental Protection).

As of the 2020 United States census, the town's population was 12,017, an increase of 841 (+7.5%) from the 2010 census count of 11,176, which in turn reflected an increase of 369 (+3.4%) from the 10,807 counted in the 2000 census. As of the 2010 Census, almost one-fifth of the town's population resided in the Galaxy Towers, a trio of residential skyscrapers overlooking the Hudson River.