Trenton, New Jersey, the state capital and the seat of Mercer County. It is in western New Jersey, about 30 miles (48 km) northeast of downtown Philadelphia at the head of deepwater nagivation of the Delaware River. Trenton is a commercial and industrial city that produces a wide range of items, including ceramics, fabricated steel products, chemicals, and rubber goods. Trenton State College, Princeton University, and Rider College are nearby.

Trent House, built by William Trent in 1719, is the oldest house in the city. The Old Barracks, which housed troops during both the French and Indian War and the Revolutionary War, is now a museum. The Battle Monument, 155 feet (47 m) high, commemorates George Washington's victory at the battle of Trenton in 1776. Overlooking the Delaware River is the State Cultural Center, which includes the state museum, the state library, a planetarium, and an auditorium. Nearby is the gold-domed state capitol. The New Jersey State Fair is held at Trenton. The city is also the site of several championship auto races, held at the Trenton International Speedway.

Trenton has the mayor-council form of government.

The site of Trenton was settled in 1679 by Mahlon Stacy and a small band of Quakers. In 1714 a large tract of Stacy land was sold to William Trent. The town that Trent had planned was first called Trent's Town, then Trenton. During 1784–85, the Continental Congress met here.

Trenton was designated the capital of New Jersey in 1790. It was incorporated as a city in 1792. Growth of the city was most rapid between 1880 and 1920, when the population reached 119,000.

Population: 85,403.