New Jacket is a state situated in both the Mid-Atlantic and Northeastern areas of the United States. Found at the geographic center of the heavily 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 Jersey is the fifth-smallest state in acreage. According to a 2024 U. S. Census Bureau estimate, it is the 11th-most heavily populated state, with over 9. 5 million residents, its greatest estimated matter ever before. The state capital is Trenton, and the state's most populous city is Newark. New Jacket is the only U. S. state in which every county is regarded metropolitan by the U. S. Demographics Bureau. It is one of the most densely booming U. S. state. New Jersey was initial lived in by Paleo-Indians as early as 13,000 BC. The Lenape were the leading Native team when Europeans arrived in the early 17th century, and they were partitioned into dialectal groups such as the Munsee, in the north, and the Unami and the Unalachtigo, in other places. Dutch and Swedish homesteaders started the very first European negotiations in the state, with the British later seizing control of the area and establishing the District of New Jacket, named after the Network Island of Jersey. The swarm's fertile lands and family member religious tolerance drew a large and diverse population. New Jacket was amongst the Thirteen Colonies that supported the American Transformation, holding numerous critical battles and armed forces commands in the American Revolutionary War gaining the title, "Crossroads of the American Revolution." New Jersey stayed in the Union throughout the American Civil Battle and offered troops, resources, and armed forces leaders on behalf 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 Jacket was the website of lots of commercial, technical, and industrial developments. Many noticeable Americans associated with New Jacket have actually shown significant nationally and globally, consisting of in academia, campaigning for, company, entertainment, federal government, military, non-profit leadership, and other areas. New Jacket's main area in the Northeast megalopolis aided fuel its quick development and suburbanization in the 2nd fifty percent of the 20th century. Since the start of the 21st century, the state's economy has actually ended up being very expanded, with major industries, consisting of New Jacket's duty as the world's largest pharmaceutical industry center—-- as well as biotechnology, information technology, money, digital media, filmmaking, and tourism, and it has actually ended up being an Atlantic coast epicenter for logistics and circulation. New Jacket is a significant location for immigrants and is home to one of the world's most multicultural populations. Resembling historical patterns, the state has progressively re-urbanized, with development in cities outpacing residential areas since 2008. New Jacket is one of the most affluent, educated, diverse, healthy and balanced, and extremely established states in the U. S., ranking high amongst states in numerous quality of life metrics. New Jersey had a mean home earnings of $99,781 as of 2023, the second-highest of any type of U. S. state behind Massachusetts.Practically one-tenth of all households in the state, or over 323,000, are millionaires, the highest representation of millionaires among all states. New Jersey's public college system consistently ranks at or among the top of all U. S. states. Since 2024, a quarter of the state population is foreign born, the second most after California. In 2025, New Jersey was placed as having the healthiest state population in general. The state ranks near the top on both the American Human Development Index and the basic Human Advancement Index. Subsequently, New Jacket is normally rated as one of the most effective U. S. states, in addition to among the most expensive 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 typical 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.