New Jacket is a state located in both the Mid-Atlantic and Northeastern regions of the USA. Situated at the geographic center of the greatly 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 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 acreage. According to a 2024 U. S. Census Bureau estimate, it is the 11th-most heavily populated state, with over 9. 5 million locals, its highest possible estimated count ever. The state funding is Trenton, and the state's most populous city is Newark. New Jacket is the only U. S. state in which every county is deemed city by the U. S. Demographics Bureau. It is one of the most largely populated U. S. state. New Jacket was very first occupied by Paleo-Indians as early as 13,000 BC. The Lenape were the leading Native team when Europeans got here in the early 17th century, and they were subdivided into dialectal teams such as the Munsee, in the north, and the Unami and the Unalachtigo, in other places. Dutch and Swedish homesteaders founded the very first European negotiations in the state, with the British later seizing control of the region and establishing the District of New Jacket, named after the Channel Island of Jersey. The colony's fertile lands and family member religious tolerance attracted a big and varied population. New Jersey was amongst the Thirteen Nests that supported the American Transformation, organizing numerous crucial battles and military commands in the American Revolutionary War gaining the title, "Crossroads of the American Revolution." New Jacket continued to be in the Union throughout the American Civil Battle and supplied soldiers, resources, and military leaders on behalf of the Union Army. After the battle, the state became a significant production facility and a leading location for immigrants, aiding drive the Industrial Revolution in the U. S. New Jersey was the site of lots of commercial, technological, and business advancements. Numerous popular Americans associated with New Jacket have actually shown significant across the country and worldwide, including in academia, campaigning for, company, amusement, government, army, charitable management, and other areas. New Jersey's main area in the Northeast megalopolis aided fuel its quick development and suburbanization in the 2nd fifty percent of the 20th century. Because the beginning of the 21st century, the state's economy has actually ended up being highly expanded, with major industries, including New Jacket's duty as the world's largest pharmaceutical sector hub—-- as well as biotechnology, infotech, money, digital media, filmmaking, and tourism, and it has ended up being an Atlantic seaboard center for logistics and circulation. New Jacket is a significant destination for immigrants and is home to one of the world's most modern populations. Resembling historical trends, the state has significantly re-urbanized, with development in cities outmatching suburban areas given that 2008. New Jacket is just one of the most upscale, educated, varied, healthy, and highly established states in the U. S., ranking high among states in numerous quality of life metrics. New Jersey had a mean family income of $99,781 since 2023, the second-highest of any kind of U. S. state behind Massachusetts.Nearly one-tenth of all homes in the state, or over 323,000, are millionaires, the highest possible representation of millionaires amongst all states. New Jacket's public school system regularly rates at or among the top of all U. S. states. As of 2024, a quarter of the state population is international birthed, the 2nd most after The golden state. In 2025, New Jacket was ranked as having the healthiest state population generally. The state rates near the top on both the American Human Being Advancement Index and the typical Person Development Index. As A Result, New Jacket is commonly ranked as one of the most effective U. S. states, as well as one of the most expensive states for locals to live in. According to climatology research by the U. S. National Oceanic and Atmospheric Administration, New Jacket has actually been the fastest-warming state by ordinary air temperature level over a 100-year period start in the early 20th century, which has actually been attributed to warming of the North Atlantic Sea.