New Jersey is a state situated in both the Mid-Atlantic and Northeastern regions of the USA. Found at the geographic hub of the greatly urbanized Northeast megalopolis, it is bordered to the northwest, north, and northeast by New York 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 Jersey is the fifth-smallest state in acreage. According to a 2024 U. S. Demographics Bureau price quote, it is the 11th-most populated state, with over 9. 5 million citizens, its greatest approximated count ever before. The state funding 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 metropolitan by the U. S. Census Bureau. It is one of the most densely booming U. S. state. New Jacket was initial lived in by Paleo-Indians as early as 13,000 BC. The Lenape were the dominant Native group when Europeans got here in the early 17th century, and they were subdivided right into dialectal groups such as the Munsee, in the north, and the Unami and the Unalachtigo, somewhere else. Dutch and Swedish homesteaders established the first European negotiations in the state, with the British later taking control of the area and establishing the District of New Jacket, called after the Channel Island of Jacket. The colony's productive lands and loved one spiritual resistance drew a huge and diverse populace. New Jersey was among the Thirteen Swarms that sustained the American Change, organizing numerous pivotal battles and army commands in the American War of independence making the title, "Crossroads of the American Revolution." New Jersey remained in the Union throughout the American Civil Battle and supplied soldiers, resources, and armed forces leaders in support of the Union Army. After the battle, the state became a significant production center and a leading destination for immigrants, assisting drive the Industrial Change in the U. S. New Jacket was the website of lots of commercial, technological, and commercial innovations. Numerous popular Americans related to New Jacket have proven prominent country wide and internationally, including in academia, advocacy, organization, home entertainment, federal government, armed forces, non-profit management, and other fields. New Jacket's main place in the Northeast megalopolis helped sustain its quick growth and suburbanization in the second fifty percent of the 20th century. Given that the start of the 21st century, the state's economic situation has actually come to be highly expanded, with significant sectors, consisting of New Jersey's function as the globe's biggest pharmaceutical sector hub—-- in addition to biotechnology, infotech, financing, digital media, filmmaking, and tourist, and it has become an Atlantic seaboard center for logistics and distribution. New Jersey is a major destination for immigrants and is home to one of the globe's most multicultural populaces. Echoing historical patterns, the state has significantly re-urbanized, with growth in cities outpacing residential areas because 2008. New Jacket is among one of the most upscale, educated, varied, healthy, and very created states in the U. S., ranking high among states in a number of quality of life metrics. New Jersey had a mean family income of $99,781 as of 2023, the second-highest of any U. S. state behind Massachusetts.Nearly one-tenth of all homes in the state, or over 323,000, are millionaires, the highest depiction of millionaires among all states. New Jersey's public college system regularly rates at or amongst the top of all U. S. states. Since 2024, a quarter of the state population is international birthed, the second most after The golden state. In 2025, New Jacket was placed as having the healthiest state population generally. The state rates near the top on both the American Person Growth Index and the typical Human Development Index. As A Result, New Jersey is normally ranked as one of the very best U. S. states, in addition to one of the most expensive states for homeowners to live in. According to climatology research by the U. S. National Oceanic and Atmospheric Administration, New Jacket has been the fastest-warming state by typical air temperature over a 100-year period beginning in the very early 20th century, which has actually been credited to warming of the North Atlantic Ocean.