New Jacket is a state located in both the Mid-Atlantic and Northeastern areas of the United States. Found at the geographic center of the greatly urbanized Northeast megalopolis, it is bordered to the northwest, north, and northeast by New York State; on its eastern, southeast, and southern by the Atlantic Ocean; on its west by the Delaware River and Pennsylvania; and on its southwest by Delaware Bay and Delaware. At 7,354 square miles (19,050 km2), New Jacket is the fifth-smallest state in land area. According to a 2024 U. S. Demographics Bureau estimate, it is the 11th-most populated state, with over 9. 5 million citizens, its highest possible approximated count ever. The state capital is Trenton, and the state's most populous city is Newark. New Jersey is the only U. S. state in which every county is regarded city by the U. S. Demographics Bureau. It is one of the most largely inhabited U. S. state. New Jacket was very first lived in by Paleo-Indians as early as 13,000 BC. The Lenape were the dominant Aboriginal team when Europeans got here in the very early 17th century, and they were partitioned into dialectal groups such as the Munsee, in the north, and the Unami and the Unalachtigo, elsewhere. Dutch and Swedish homesteaders founded the very first European negotiations in the state, with the British later taking control of the region and developing the Province of New Jersey, named after the Network Island of Jacket. The colony's fertile lands and relative spiritual tolerance attracted a huge and varied population. New Jersey was amongst the Thirteen Swarms that supported the American Change, hosting numerous essential battles and army commands in the American War of independence gaining the title, "Crossroads of the American Transformation." New Jacket remained in the Union during the American Civil War and provided soldiers, sources, and army leaders in support of the Union Military. After the war, the state became a major production center and a leading destination for immigrants, helping drive the Industrial Change in the U. S. New Jersey was the website of numerous commercial, technological, and commercial advancements. Many prominent Americans associated with New Jacket have shown significant across the country and internationally, consisting of in academic community, campaigning for, organization, amusement, federal government, military, charitable management, and other areas. New Jacket's main place in the Northeast megalopolis helped fuel its quick growth and suburbanization in the 2nd half of the 20th century. Given that the start of the 21st century, the state's economic situation has actually become extremely expanded, with major markets, consisting of New Jersey's function as the world's biggest pharmaceutical industry center—-- in addition to biotechnology, information technology, financing, electronic media, filmmaking, and tourism, and it has come to be an Atlantic coast center for logistics and circulation. New Jersey is a major destination for immigrants and is home to one of the globe's most multicultural populations. Resembling historic trends, the state has progressively re-urbanized, with development in cities surpassing suburban areas considering that 2008. New Jersey is among the most wealthy, educated, varied, healthy and balanced, and very developed states in the U. S., ranking high among states in numerous quality of life metrics. New Jacket had an average home revenue of $99,781 as of 2023, the second-highest of any type of U. S. state behind Massachusetts.Almost one-tenth of all households in the state, or over 323,000, are millionaires, the greatest depiction of millionaires amongst all states. New Jacket's public school system continually places at or amongst the top of all U. S. states. Since 2024, a quarter of the state population is foreign birthed, the 2nd most after The golden state. In 2025, New Jersey was placed as having the healthiest state population in general. The state rates near the top on both the American Human Being Advancement Index and the standard Human Advancement Index. Consequently, New Jacket is typically ranked as one of the most effective U. S. states, along with one of one of the most costly states for homeowners to reside in. According to climatology research study by the U. S. National Oceanic and Atmospheric Administration, New Jersey has been the fastest-warming state by average air temperature level over a 100-year duration beginning in the early 20th century, which has actually been credited to warming of the North Atlantic Sea.