New Jacket is a state located in both the Mid-Atlantic and Northeastern regions of the USA. Located at the geographic center of the heavily urbanized Northeast megalopolis, it is surrounded to the northwest, north, and northeast by New york city State; on its eastern, southeast, and south by the Atlantic Sea; 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 acreage. According to a 2024 U. S. Demographics Bureau estimate, it is the 11th-most populous state, with over 9. 5 million residents, its highest possible estimated matter ever before. The state capital is Trenton, and the state's most heavily populated city is Newark. New Jersey is the only U. S. state in which every region is deemed urban by the U. S. Census Bureau. It is one of the most densely booming U. S. state. New Jacket was very first populated by Paleo-Indians as early as 13,000 BC. The Lenape were the dominant Indigenous group when Europeans showed up in the early 17th century, and they were partitioned right into dialectal teams such as the Munsee, in the north, and the Unami and the Unalachtigo, somewhere else. Dutch and Swedish homesteaders started the very first European settlements in the state, with the British later seizing control of the region and developing the Province of New Jersey, named after the Network Island of Jacket. The swarm's abundant lands and family member religious resistance attracted a huge and varied populace. New Jersey was amongst the Thirteen Colonies that supported the American Revolution, organizing a number of critical battles and army commands in the American Revolutionary War earning the title, "Crossroads of the American Revolution." New Jacket continued to be in the Union throughout the American Civil War and offered soldiers, sources, and armed forces leaders in support of the Union Military. After the battle, the state emerged as a major manufacturing center and a leading location for immigrants, helping drive the Industrial Change in the U. S. New Jacket was the site of many commercial, technical, and commercial advancements. Several famous Americans associated with New Jersey have actually shown prominent across the country and internationally, including in academia, campaigning for, service, amusement, government, army, non-profit leadership, and various other fields. New Jacket's main location in the Northeast megalopolis assisted sustain its quick development and suburbanization in the second half of the 20th century. Since the beginning of the 21st century, the state's economic climate has actually ended up being very branched out, with significant fields, including New Jacket's duty as the world's largest pharmaceutical sector center—-- along with biotechnology, infotech, finance, electronic media, filmmaking, and tourist, and it has actually come to be an Atlantic coast epicenter for logistics and circulation. New Jacket is a significant destination for immigrants and is home to among the world's most modern populaces. Resembling historical fads, the state has significantly re-urbanized, with growth in cities surpassing suburban areas because 2008. New Jacket is just one of the most wealthy, informed, diverse, healthy and balanced, and very established states in the U. S., ranking high amongst states in numerous lifestyle metrics. New Jersey had a mean family income of $99,781 as of 2023, the second-highest of any U. S. state behind Massachusetts.Almost one-tenth of all households in the state, or over 323,000, are millionaires, the highest depiction of millionaires among all states. New Jacket's public institution system constantly rates at or amongst the top of all U. S. states. Since 2024, a quarter of the state populace is foreign born, the 2nd most after California. In 2025, New Jacket was ranked as having the healthiest state population in general. The state rates near the top on both the American Human Being Advancement Index and the basic Human Advancement Index. Subsequently, New Jersey is usually ranked as one of the very best U. S. states, as well as among the most pricey states for residents to live 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 over a 100-year duration beginning in the early 20th century, which has actually been attributed to warming of the North Atlantic Sea.