New Jersey is a state located in both the Mid-Atlantic and Northeastern regions of the United States. Located 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 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 Jacket is the fifth-smallest state in land area. 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 approximated count ever before. The state resources is Trenton, and the state's most heavily populated city is Newark. New Jacket is the only U. S. state in which every county is deemed metropolitan by the U. S. Demographics Bureau. It is one of the most largely booming U. S. state. New Jersey was very first lived in by Paleo-Indians as early as 13,000 BC. The Lenape were the dominant Indigenous group when Europeans arrived in the very early 17th century, and they were partitioned right into dialectal teams such as the Munsee, in the north, and the Unami and the Unalachtigo, in other places. Dutch and Swedish colonists founded the very first European settlements in the state, with the British later seizing control of the region and establishing the District of New Jersey, called after the Channel Island of Jersey. The swarm's fertile lands and family member spiritual resistance drew a large and varied population. New Jersey was among the Thirteen Colonies that sustained the American Revolution, hosting a number of crucial battles and army commands in the American Revolutionary War gaining the title, "Crossroads of the American Transformation." New Jersey stayed in the Union during the American Civil War and provided soldiers, resources, and military leaders on behalf of the Union Military. After the war, the state became a major manufacturing facility and a leading location for immigrants, helping drive the Industrial Transformation in the U. S. New Jacket was the site of numerous commercial, technical, and industrial technologies. Lots of prominent Americans connected with New Jersey have confirmed influential country wide and around the world, consisting of in academic community, advocacy, organization, entertainment, government, military, non-profit management, and other areas. New Jacket's central location in the Northeast megalopolis aided sustain its rapid growth and suburbanization in the second half of the 20th century. Since the start of the 21st century, the state's economic situation has come to be highly diversified, with major markets, including New Jacket's role as the globe's biggest pharmaceutical sector center—-- along with biotechnology, information technology, finance, digital media, filmmaking, and tourism, and it has become an Atlantic seaboard center for logistics and circulation. New Jacket is a major 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 growth in cities outpacing suburbs because 2008. New Jacket is just one of the most wealthy, educated, varied, healthy and balanced, and very established states in the U. S., ranking high amongst states in a number of quality of life metrics. New Jacket had a median home revenue 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 possible depiction of millionaires amongst all states. New Jersey's public school system continually rates at or among the top of all U. S. states. Since 2024, a quarter of the state populace is foreign born, the 2nd most after The golden state. In 2025, New Jacket was ranked as having the healthiest state populace generally. The state places near the top on both the American Human Being Development Index and the common Human Development Index. As A Result, New Jersey is normally ranked as one of the best U. S. states, along with among the most pricey states for residents to reside in. According to meteorology 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 period start in the early 20th century, which has been attributed to warming of the North Atlantic Sea.