New Jersey

New Jersey

This page is the City map of New Jersey, a state map showing roads, paths, and places across the United States. New Jersey covers approximately 22,591.4 square kilometres and lies at an average elevation of 75 metres above sea level. Its population increased from 8,791,894 in 2010 to 9,288,994 in 2020, and the state is divided into 21 counties. Major geographic features include the Delaware River on the western boundary, the Hudson River in the northeast, and the Atlantic coast to the east and south.

New Jersey was founded as a state in 1787, and its largest urban centres include Newark, Jersey City, Paterson, Elizabeth, Trenton, and Atlantic City. The East Coast Greenway, the 9-11 Trail, and BicyclePA Route S are among the long-distance cycling routes recorded in the state.

Essex County

Essex County is an urban county in northeastern New Jersey with 863,728 residents and an area of approximately 336 square kilometres. Newark, the county seat and New Jersey’s largest city, stands on the Passaic River and contains Newark Liberty International Airport.

West Orange contains Thomas Edison National Historical Park, while Branch Brook Park in Newark is known for its extensive collection of cherry trees. Essex County was established in 1683, making it one of New Jersey’s oldest counties.

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Union County

Union County has 555,786 residents and lies between Essex County and the Raritan Valley. Elizabeth, the county seat, is located near Newark Bay and functions as a major port and transportation centre.

The county also includes Union Township, Plainfield, Westfield, and Summit. The Watchung Reservation in the northwestern part of Union County preserves forested land around the Watchung Mountains and the Blue Brook.

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Hudson County

Hudson County contains 724,854 residents in approximately 162 square kilometres, making it one of New Jersey’s most densely settled counties. Jersey City, the county seat, faces Manhattan across the Hudson River, while Hoboken occupies the riverfront immediately south of the Lincoln Tunnel.

Liberty State Park provides views of the Statue of Liberty, Ellis Island, and Lower Manhattan. Hudson County was established in 1840, and its waterfront includes major transit facilities such as the PATH rail system and the Hudson-Bergen Light Rail.

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Bergen County

Bergen County has 955,732 residents and covers approximately 639 square kilometres in northeastern New Jersey. Hackensack is the county seat, and the Hackensack River runs through the county before reaching Newark Bay.

Fort Lee stands at the western end of the George Washington Bridge, which crosses the Hudson River to Manhattan. The county includes the New Jersey Palisades, a line of steep cliffs along the Hudson, and was established in 1683.

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Middlesex County

Middlesex County has 863,162 residents and an area of approximately 835 square kilometres in central New Jersey. New Brunswick, the county seat, lies on the Raritan River and is home to Rutgers University’s historic College Avenue campus.

The county includes Edison, Woodbridge Township, Piscataway, and Perth Amboy. Perth Amboy stands at the mouth of the Raritan River on Raritan Bay, while the Raritan Valley provides a major east-west corridor across central New Jersey.

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Monmouth County

Monmouth County has 643,615 residents and covers approximately 1,723 square kilometres along the Atlantic coast. Freehold Borough is the county seat, and the county includes coastal communities such as Asbury Park, Long Branch, and Sandy Hook.

Gateway National Recreation Area includes the Sandy Hook peninsula at the northern end of the Jersey Shore. Monmouth County was established in 1683, and the Navesink and Shrewsbury rivers drain parts of its coastal landscape.

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Mercer County

Mercer County has 387,340 residents, an area of approximately 593 square kilometres, and an average elevation of 16 metres. Trenton, the county seat and capital of New Jersey, stands on the Delaware River and was the site of the Continental Army’s victory at the Battle of Trenton in 1776.

The county includes Princeton, home to Princeton University, and the Delaware and Raritan Canal State Park. Mercer County was established in 1838 and occupies a central position between Philadelphia and New York City.

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Ocean County

Ocean County has 637,229 residents and covers approximately 2,372 square kilometres, making it one of New Jersey’s largest counties by area. Toms River is the county seat, and the county extends from the mainland across the Barnegat Bay region to the Atlantic coast.

Island Beach State Park protects a largely undeveloped barrier beach between Barnegat Bay and the Atlantic Ocean. Ocean County also includes the resort communities of Seaside Heights and Point Pleasant Beach, as well as part of the Barnegat Lighthouse area.

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Camden County

Camden County has 523,485 residents and an area of approximately 589 square kilometres in southwestern New Jersey. Camden, the county seat, lies on the Delaware River opposite Philadelphia and contains the Battleship New Jersey museum ship.

The county includes Cherry Hill, Pennsauken, and Gloucester Township. Cooper River Park and the Cooper River connect several developed communities near Camden, while the Adventure Aquarium stands on the Camden waterfront.

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Burlington County

Burlington County has 461,860 residents and covers approximately 2,122 square kilometres between the Delaware River and the New Jersey Pine Barrens. Mount Holly is the county seat, and the Delaware River forms the county’s western boundary.

The Wharton State Forest occupies a large area of the Pine Barrens and contains headwaters of the Mullica River. Burlington County was established in 1694, and its communities include Burlington City, Medford, and Evesham Township.

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Somerset County

Somerset County has 333,654 residents and lies in north-central New Jersey along the Raritan River. Somerville is the county seat, while Bridgewater Township and Franklin Township are among the county’s larger suburban municipalities.

The Delaware and Raritan Canal State Park follows a historic waterway through Somerset County. The Sourland Mountain region rises in the southwestern part of the county near Hillsborough and Montgomery townships.

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Hunterdon County

Hunterdon County has 128,947 residents and covers approximately 1,134 square kilometres along the Delaware River in western New Jersey. Flemington is the county seat, and the county includes the river towns of Lambertville and Frenchtown.

The South Branch Raritan River crosses the county near Clinton, where the Red Mill Museum Village stands beside the river. Hunterdon County was established in 1714 and contains portions of the Hunterdon Plateau and the Amwell Valley.

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Salem County

Salem County has 64,180 residents in southwestern New Jersey on the Delaware River. Salem City is the county seat, and the Salem River reaches the Delaware near the city.

The county includes the rural communities of Pennsville, Alloway, and Elmer. Fort Mott State Park near Pennsville preserves a nineteenth-century coastal defense site overlooking the Delaware River and Fort Delaware.

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Cumberland County

Cumberland County has 155,854 residents in southern New Jersey, where the Maurice River and Cohansey River flow toward Delaware Bay. Bridgeton is the county seat, and Vineland and Millville are major population centres.

The county includes the wetlands and tidal landscapes around the Maurice River and Delaware Bay. Millville is known for its history as a glassmaking and industrial centre, while Cumberland County’s southern location places it near the Cape May Peninsula.

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Atlantic County

Atlantic County has 274,534 residents and covers approximately 1,739 square kilometres in southeastern New Jersey. Mays Landing is the county seat, and Atlantic City occupies a barrier island on the Atlantic coast.

Atlantic City became internationally known for its boardwalk and casinos, while the Edwin B. Forsythe National Wildlife Refuge protects tidal marshes along the coast. The Mullica River and Great Egg Harbor River drain large parts of the county toward the Atlantic Ocean.

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Cape May County

Cape May County occupies the southern tip of New Jersey between Delaware Bay and the Atlantic Ocean. Cape May, the county seat, is known for its preserved Victorian architecture and its position at the end of the Cape May Peninsula.

The county includes Wildwood, Ocean City, and the Cape May Point area. Cape May Point State Park contains a lighthouse and coastal habitat, while the Cape May–Lewes Ferry connects southern New Jersey with Delaware across Delaware Bay.

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Gloucester County

Gloucester County has 302,294 residents and covers approximately 873 square kilometres in southwestern New Jersey. Woodbury is the county seat, and the county’s eastern boundary reaches the forests and wetlands of the Pine Barrens.

The Delaware River borders the county to the west, with major communities including Deptford Township, Washington Township, and Glassboro. Glassboro is home to Rowan University, while the Mantua Creek and Raccoon Creek flow through the county toward the Delaware.

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Morris County

Morris County has 509,285 residents and covers approximately 1,247 square kilometres in northern New Jersey. Morristown is the county seat and was George Washington’s Continental Army headquarters during the winter of 1779–1780.

The county includes the communities of Parsippany-Troy Hills, Dover, and Madison. The Passaic River rises near Mendham Township, and the Great Swamp National Wildlife Refuge protects wetlands south of Morristown.

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Passaic County

Passaic County has 524,118 residents and an area of approximately 510 square kilometres in northern New Jersey. Paterson, the county seat, stands on the Passaic River and contains the Great Falls of the Passaic, a National Historical Park site.

The Great Falls powered textile mills during the Industrial Revolution and form one of the largest waterfalls in the northeastern United States. The county also includes Wayne, Clifton, and the mountain communities around Wanaque and Ringwood.

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Sussex County

Sussex County has 144,221 residents and covers approximately 1,388 square kilometres in the northernmost part of New Jersey. Newton is the county seat, and the county contains the highest point in the state at High Point in High Point State Park.

The Delaware River forms the county’s western boundary, while the Wallkill River flows north through the agricultural Kittatinny Valley. Stokes State Forest and portions of the Delaware Water Gap region protect large areas of the Appalachian landscape.

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Warren County

Warren County lies in northwestern New Jersey along the Delaware River and has 109,632 residents. Belvidere is the county seat, and the county includes Phillipsburg at the confluence of the Delaware River and the Lehigh River.

Delaware Water Gap National Recreation Area extends along the Delaware River near the county’s western edge. The Pequest River runs through the county, while the Kittatinny Ridge and farmland around Washington define major parts of its interior.

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