New Jersey is a state located in both the Mid-Atlantic and Northeastern regions of the United States. Found at the geographical center of the heavily urbanized Northeast megalopolis, it is bordered to the northwest, north, and northeast by New York State; on its east, southeast, and southern 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 land area. According to a 2024 U. S. Census Bureau quote, it is the 11th-most populous state, with over 9. 5 million residents, its greatest approximated count ever before. The state capital is Trenton, and the state's most populated city is Newark. New Jersey is the only U. S. state in which every area is deemed metropolitan by the U. S. Demographics Bureau. It is one of the most largely populated U. S. state. New Jacket was first populated by Paleo-Indians as early as 13,000 BC. The Lenape were the dominant Indigenous team when Europeans showed up in the very early 17th century, and they were partitioned right into dialectal groups such as the Munsee, in the north, and the Unami and the Unalachtigo, somewhere else. Dutch and Swedish homesteaders started the very first European negotiations in the state, with the British later seizing control of the region and establishing the Province of New Jersey, named after the Channel Island of Jacket. The nest's abundant lands and loved one spiritual tolerance drew a huge and diverse population. New Jersey was among the Thirteen Colonies that sustained the American Transformation, holding numerous crucial fights and army commands in the American Revolutionary War making the title, "Crossroads of the American Revolution." New Jacket remained in the Union during the American Civil Battle and provided soldiers, resources, and army leaders on behalf of the Union Army. After the battle, the state became a major production facility and a leading location for immigrants, aiding drive the Industrial Transformation in the U. S. New Jersey was the website of several commercial, technical, and business developments. Several famous Americans connected with New Jacket have proven prominent across the country and globally, including in academia, advocacy, business, home entertainment, federal government, army, charitable management, and other areas. New Jersey's central location in the Northeast megalopolis aided fuel its fast development 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 ended up being highly expanded, with major markets, consisting of New Jersey's role as the world's biggest pharmaceutical market center—-- along with biotechnology, information technology, money, electronic media, filmmaking, and tourism, and it has actually ended up being an Atlantic seaboard center for logistics and distribution. New Jersey is a significant destination for immigrants and is home to one of the world's most modern populations. Resembling historical patterns, the state has increasingly re-urbanized, with growth in cities exceeding suburbs considering that 2008. New Jersey is just one of one of the most wealthy, informed, varied, healthy and balanced, and very created states in the U. S., ranking high amongst states in a number of lifestyle metrics. New Jacket had a mean home income of $99,781 as of 2023, the second-highest of any type of U. S. state behind Massachusetts.Nearly one-tenth of all families in the state, or over 323,000, are millionaires, the highest possible depiction of millionaires amongst all states. New Jersey's public institution system constantly rates at or among the top of all U. S. states. As of 2024, a quarter of the state populace is international birthed, the second most after California. In 2025, New Jacket was rated as having the healthiest state populace in general. The state places near the top on both the American Person Growth Index and the conventional Person Growth Index. Subsequently, New Jacket is usually rated as one of the best U. S. states, as well as one of one of the most costly states for homeowners to live in. According to climatology research by the U. S. National Oceanic and Atmospheric Management, New Jersey has actually been the fastest-warming state by ordinary air temperature over a 100-year duration start in the early 20th century, which has been attributed to warming of the North Atlantic Sea.