New Jersey is a state located in both the Mid-Atlantic and Northeastern regions of the USA. Located at the geographical hub 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 Jersey is the fifth-smallest state in land area. According to a 2024 U. S. Demographics Bureau quote, it is the 11th-most populated state, with over 9. 5 million residents, its greatest approximated matter ever before. The state resources is Trenton, and the state's most populous city is Newark. New Jersey is the only U. S. state in which every county is considered urban by the U. S. Census Bureau. It is the most largely inhabited U. S. state. New Jersey was initial occupied by Paleo-Indians as early as 13,000 BC. The Lenape were the leading Indigenous group when Europeans showed up 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, elsewhere. Dutch and Swedish colonists founded the very first European negotiations in the state, with the British later taking control of the area and developing the Province of New Jersey, named after the Channel Island of Jersey. The swarm's productive lands and family member spiritual resistance drew a large and varied population. New Jacket was among the Thirteen Colonies that sustained the American Transformation, organizing several essential fights and military commands in the American War of independence making the title, "Crossroads of the American Change." New Jersey continued to be in the Union throughout the American Civil War and supplied troops, resources, and army leaders on behalf of the Union Army. After the war, the state emerged as a major manufacturing center and a leading destination for immigrants, aiding drive the Industrial Change in the U. S. New Jacket was the site of several commercial, technological, and commercial developments. Numerous popular Americans connected with New Jersey have confirmed influential across the country and worldwide, consisting of 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 development and suburbanization in the 2nd half of the 20th century. Considering that the start of the 21st century, the state's economic situation has become extremely branched out, with significant sectors, including New Jacket's duty as the world's biggest pharmaceutical sector hub—-- in addition to biotechnology, infotech, money, digital media, filmmaking, and tourism, and it has actually become an Atlantic coast epicenter for logistics and circulation. New Jacket is a significant location for immigrants and is home to one of the globe's most modern populaces. Resembling historical fads, the state has progressively re-urbanized, with development in cities surpassing suburban areas given that 2008. New Jersey is just one of one of the most wealthy, educated, varied, healthy and balanced, and highly developed states in the U. S., ranking high among states in a number of quality of life metrics. New Jersey had a median home revenue of $99,781 since 2023, the second-highest of any U. S. state behind Massachusetts.Virtually 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 continually rates at or amongst the top of all U. S. states. As of 2024, a quarter of the state population is foreign born, the 2nd most after The golden state. In 2025, New Jacket was ranked as having the healthiest state population overall. The state ranks near the top on both the American Human Development Index and the standard Human Development Index. As A Result, New Jacket is generally rated as one of the most effective U. S. states, along with among the most costly states for locals to stay in. According to meteorology research study by the U. S. National Oceanic and Atmospheric Management, New Jacket has been the fastest-warming state by ordinary air temperature over a 100-year duration beginning in the early 20th century, which has actually been attributed to warming of the North Atlantic Ocean.