Where is nj in usa

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Last updated: April 8, 2026

Quick Answer: New Jersey (NJ) is located in the Mid-Atlantic and Northeastern regions of the United States, bordered by New York to the north and northeast, Pennsylvania to the west, Delaware to the southwest, and the Atlantic Ocean to the east. It is the 4th smallest state by area at 8,722.58 square miles but the 11th most populous with approximately 9.3 million residents as of 2023, making it the most densely populated U.S. state.

Key Facts

Overview

New Jersey is strategically positioned in the Mid-Atlantic and Northeastern regions of the United States, serving as a crucial corridor between major metropolitan areas. Bordered by New York to the north and northeast, Pennsylvania to the west, Delaware to the southwest, and the Atlantic Ocean to the east, the state occupies a compact but economically vital position. Its location between Philadelphia and New York City has earned it the nickname "the Crossroads of the East," with the Garden State Parkway and New Jersey Turnpike forming essential transportation arteries. The state's geography ranges from coastal plains in the east to the Appalachian Mountains in the northwest, creating diverse landscapes within a relatively small area.

Historically, New Jersey played a pivotal role in American development, with its territory originally inhabited by Lenape Native Americans before European colonization began in the early 17th century. The state was one of the original Thirteen Colonies and became the third state to ratify the U.S. Constitution on December 18, 1787. During the American Revolutionary War, New Jersey witnessed numerous crucial battles, earning it the nickname "the Cockpit of the Revolution." In the 19th and 20th centuries, the state transformed into an industrial powerhouse, particularly in manufacturing, pharmaceuticals, and chemical production, while maintaining significant agricultural sectors that inspired its official nickname, "the Garden State."

How It Works

New Jersey's geographic and administrative structure supports its dense population and economic activity through several key systems.

Key Comparisons

FeatureNew JerseyNeighboring Pennsylvania
Population Density1,263 people/sq mi (highest in U.S.)291 people/sq mi
Total Area8,722.58 sq mi (4th smallest)46,054 sq mi (33rd largest)
Statehood DateDecember 18, 1787 (3rd state)December 12, 1787 (2nd state)
Highest PointHigh Point: 1,803 ftMount Davis: 3,213 ft
Coastline Length130 miles (Atlantic Ocean)0 miles (landlocked except for Lake Erie access)
Major Economic SectorPharmaceuticals & FinanceEnergy & Agriculture

Why It Matters

Looking forward, New Jersey faces both challenges and opportunities as it navigates climate change impacts on its coastal regions, maintains its aging infrastructure, and adapts to economic shifts in pharmaceuticals and finance. The state's continued investment in renewable energy, with a goal of 100% clean energy by 2050, and its strategic position in the Northeast Corridor suggest it will remain economically vital despite geographic constraints. As population density increases and technology transforms industries, New Jersey's ability to innovate within its compact borders will determine its future role in the American economy and society.

Sources

  1. WikipediaCC-BY-SA-4.0

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