New Jersey is a state situated in both the Mid-Atlantic and Northeastern areas of the United States. Situated at the geographic center of the heavily urbanized Northeast megalopolis, it is bordered to the northwest, north, and northeast by New york city State; on its east, southeast, and south 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 acreage. According to a 2024 U. S. Census Bureau quote, it is the 11th-most populous state, with over 9. 5 million citizens, its greatest estimated 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 regarded metropolitan by the U. S. Census Bureau. It is the most largely inhabited U. S. state. New Jacket was initial inhabited by Paleo-Indians as early as 13,000 BC. The Lenape were the leading Indigenous group when Europeans got here in the very early 17th century, and they were subdivided right into dialectal teams such as the Munsee, in the north, and the Unami and the Unalachtigo, in other places. Dutch and Swedish colonists started the initial European negotiations in the state, with the British later seizing control of the area and developing the District of New Jacket, named after the Network Island of Jacket. The swarm's fertile lands and family member spiritual tolerance drew a huge and diverse population. New Jacket was among the Thirteen Nests that sustained the American Revolution, hosting numerous crucial fights and army commands in the American Revolutionary War earning the title, "Crossroads of the American Change." New Jacket stayed in the Union throughout the American Civil Battle and offered troops, resources, and army leaders in support of the Union Military. After the battle, the state became a major production center and a leading destination for immigrants, aiding drive the Industrial Change in the U. S. New Jacket was the site of numerous industrial, technological, and business technologies. Several noticeable Americans connected with New Jacket have shown significant nationally and internationally, including in academic community, advocacy, company, enjoyment, federal government, military, non-profit leadership, and various other fields. New Jersey's central location in the Northeast megalopolis assisted fuel its quick growth and suburbanization in the 2nd fifty percent of the 20th century. Because the start of the 21st century, the state's economic situation has come to be highly expanded, with significant fields, including New Jacket's duty as the globe's biggest pharmaceutical industry center—-- as well as biotechnology, information technology, finance, electronic media, filmmaking, and tourist, and it has come to be an Atlantic coast epicenter for logistics and distribution. New Jacket is a major location for immigrants and is home to one of the world's most modern populations. Resembling historical fads, the state has progressively re-urbanized, with development in cities surpassing suburban areas since 2008. New Jacket is among one of the most upscale, educated, varied, healthy and balanced, and very established states in the U. S., ranking high amongst states in numerous lifestyle metrics. New Jacket had a median household revenue of $99,781 as of 2023, the second-highest of any type of U. S. state behind Massachusetts.Virtually one-tenth of all houses in the state, or over 323,000, are millionaires, the highest possible representation 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 birthed, the second most after California. In 2025, New Jacket was placed as having the healthiest state population generally. The state places near the top on both the American Human Development Index and the conventional Human being Development Index. Consequently, New Jersey is normally ranked as one of the best U. S. states, in addition to one of the most expensive states for homeowners to reside in. According to climatology 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 start in the early 20th century, which has been credited to warming of the North Atlantic Sea.