Princeton, New Jersey

Princeton is a community located in Mercer County, New Jersey, United States. Princeton University has been located in the community since 1756. Although Princeton is a "college town", there are other institutions in its territory, including the Institute for Advanced Study, the Educational Testing Service (ETS), Opinion Research Corporation, Siemens Corporate Research , Bristol-Myers Squibb, Sarnoff Corporation, FMC Corporation, Robert Wood Johnson Foundation, Amrep, Church and Dwight, Berlitz International, and Dow Jones & Company.

The community is equidistant between New York and Philadelphia and has been connected to both since the 19th century. You can go to both cities by highway.

The capital of New Jersey is the city of Trenton, but the official residence of the governor has been in Princeton since 1945.

Although Princetonians traditionally have a strong identity, the community is made up of two separate entities: a township and a borough. The central borough is completely surrounded by the municipality. The borough was separated from the borough in 1894 in a dispute over school fees; the two municipalities later formed Princeton Regional Schools, and other public services are jointly controlled. There were three referendums proposing reunification, but it was rejected each time. The borough contains Nassau Street, the main shopping street, most of the university campus, and most of the suburbs created after World War II. The borough and the municipality have a similar population of approximately 30,000.

 

Getting here

By plane
The nearest airports are Newark Liberty International Airport (IATA: EWR) and Philadelphia Airport (IATA: PHL).

Small airfields at Princeton itself and Teterboro serve private and business flyers.

By train
Princeton has a small train station Princeton train station. A commuter train (popularly known as the Dinkie) runs to Princeton Junction on the Northeast Corridor every half hour, and every hour during off-peak hours. There are connections to Philadelphia via Trenton and New York City via Newark.

In the street
The New Jersey Turnpike (here also Interstate 95), which is subject to a toll, runs east of Princeton about 15 kilometers away. The intersection-free US1 highway touches the city in the south-east.

 

City transport

You can walk within Princeton. Parking the car is no fun anyway, unless you want to end up in comparatively insignificant residential areas. Parking fees in the city are steep.

 

Sights

Buildings
1 Nassau Hall. Oldest and largest university building in North America when it was built in 1756. Big enough to house the US government for a few months of the Revolutionary War in 1777. Today the seat of the university administration and as such can only be viewed from the outside.
2 Albert Einstein House, 112 Mercer Street. Einstein lived here from 1935 until his death in 1955. Cannot be visited as a private residence.

Monuments
3 Princeton Battle Monument commemorating the 1777 Battle of Princeton in the American Revolutionary War.

Museums
4 Princeton University Art Museum, McCosh Walk. Tel: +1 (609) 258-3788, Email: tmuseum@princeton.edu. Collection right through human and cultural history. Open: Tue~Sun 10~17 (Sun from 12). Price: Admission free.

Various
Carnegie Lake Industrialist and patron Andrew Carnegie donated a lake, artificially created by damming the Millstone River, to Princeton University, which seemed to have it all. The rowing team of the university trains here, paddle and pedal boats, ice skating in winter.

 

Local legends

Ghosts of Princeton University Campus
Princeton University's campus, particularly its oldest buildings, is said to be haunted by figures from its early days. Nassau Hall, the university's iconic central building constructed in 1756, plays a key role in several tales. It served as a barracks and hospital during the Revolutionary War, where soldiers died from wounds and disease, potentially leaving restless spirits behind.
One enduring legend involves Aaron Burr Sr., the university's second president (then called the College of New Jersey) who died in 1757. As the father of the infamous Aaron Burr Jr., he is believed to linger in Nassau Hall, checking on the institution's progress. Sightings describe him as a benevolent presence, manifesting as a shadowy figure or a sudden gust of inspiration felt by administrators buried in paperwork. Though no recent apparitions have been reported, folklore suggests his spirit ensures the college thrives, perhaps influencing decisions or providing subtle guidance during times of institutional stress.
His son, Aaron Burr Jr. (Class of 1772), is perhaps the most famous spectral resident. Burr, the former U.S. Vice President notorious for killing Alexander Hamilton in a duel, is buried in the Princeton Cemetery. Legends claim his ghost wanders the campus, especially during exam periods when student stress summons him. He's often spotted on moony evenings along McCosh Walk, a tree-lined path, or near his grave. Traditions among sophomores include midnight trips to the cemetery on the first rainy night of fall to "summon" him, though these are more ritualistic fun than actual hauntings. Burr's spirit reportedly extends beyond Princeton; he's said to frequent One if by Land, Two if by Sea, a New York City restaurant built on his former stables, where diners report cold spots and unexplained movements. In Princeton, his appearances are tied to themes of ambition and regret, reflecting his controversial life.
A more modern, whimsical legend involves Bill Bradley '65, the basketball star and former U.S. Senator—who is very much alive but has achieved ghostly status in campus lore. Known for his prowess on the court, Bradley's "ghost" is said to haunt Dillon Gymnasium after dark. Teammates from his era joked about passing the ball to an invisible Bradley during games, leading to the term "Bradley-ball." Over time, this evolved into reports of a spectral presence inspiring athletes—a feeling of unfamiliar greatness or phantom dribbling echoes in the empty gym. It's less a traditional haunting and more a metaphor for his enduring legacy in Princeton athletics.

Haunted Residences in Princeton Town
Beyond the campus, Princeton's historic homes harbor their own eerie tales, often linked to personal tragedies or wartime events.
The ghost of "The Hessian" is one of the town's most poignant legends, rooted in the Battle of Princeton. This apparition is believed to be a young German mercenary soldier fighting for the British, who died during the chaotic retreat from Trenton in 1777. Described as a slight figure in an oversized burlap coat, he haunts a house on Edgehill Street. Each Christmas Eve at midnight, he's said to appear, smile briefly, and ascend the chimney like a reverse Santa Claus. In 1939, Rev. Arthur Kinsolving attempted an exorcism using a Church of England prayer book, but it failed, suggesting the spirit is harmless or even benevolent. The Hessian's story evokes sympathy, portraying him as a boy caught in a man's war, forever trapped in a foreign land.
Another Victorian-era haunting centers on "Old Mr. Seeger," a banker who built and lived in a mansion on Prospect Avenue during the Civil War period. After his wife died in childbirth, Seeger left her third-floor room untouched, forbidding anyone to enter, and descended into depression, neglecting the house he had crafted with his own carpentry skills. His ghost is described as a tall, gaunt shadow appearing against hallway walls after midnight, accompanied by eerie tapping sounds from a fret saw—as if he's still woodworking in the afterlife. Residents report phantom footsteps on stairs, strange noises from the sealed room (possibly his wife's spirit as well), and vanishing shadows in doorways. Current occupants, including Professor Andrew Moravcsik and former SPIA dean Anne-Marie Slaughter '80, have embraced the legend, viewing it as part of the home's charm rather than a menace.

Ghost Tours and Other Supernatural Sites
For those eager to explore these legends firsthand, Princeton offers a self-guided ghost tour called "Whispers in the Ivy: Haunted Princeton," organized by Let's Roam. This 1.5-hour walking adventure covers 1.22 miles through downtown, blending trivia, riddles, and photo challenges with supernatural folklore. Key stops include the Nassau Inn, where paranormal activity like cold drafts and whispers are reported; Rockefeller College, tied to campus hauntings; McCarter Theatre and Theatre Intime, known for eerie backstage presences and local lore; the Princeton Battle Monument, near Revolutionary War sites with tales of soldier spirits; and Nassau Street, a hub for mysterious hotspots. The tour highlights urban myths and haunted history without delving into specific ghosts, focusing instead on the town's overall spooky vibe to engage all ages.

 

History

Pre-Colonial and Early Settlement (Pre-17th Century to Late 1600s)
The land now known as Princeton was originally inhabited by the Lenni Lenape (also called Delaware) Native Americans for thousands of years. They created paths across the narrow "waist" of New Jersey between the Delaware and Raritan rivers, which later became key routes for European travelers. European settlement began in the late 17th century, around 1696, when Quaker families established communities along Stony Brook. The area was initially called Stony Brook after one settler's Long Island home. In 1681, Captain Henry Greenland established a plantation nearby, marking one of the earliest European presences.
By the early 1700s, the settlement grew along the King's Highway (now Nassau Street), a vital stagecoach route connecting New York and Philadelphia. The town was renamed "Prince-Town" in 1724 to honor Prince William of Orange and Nassau, who became King William III of England. Administratively, it fell under Piscataway Township in Middlesex County (established 1683), with northern parts later in Somerset County (1688).

Colonial Period and the Founding of Educational Institutions (1700s)
Princeton's growth accelerated in the mid-18th century with the relocation of the College of New Jersey (chartered in 1746 in Elizabeth, briefly in Newark) to the town in 1756. Nassau Hall, completed that year, was the largest academic building in the colonies and housed the entire college for nearly 50 years. The institution, renamed Princeton University in 1896, was founded to train Presbyterian ministers but evolved into a leading research university. Debating societies like the American Whig (1769) and Cliosophic (1770) formed, fostering intellectual discourse.
The town's Quaker roots and strategic location made it a cultural center. In 1812, the Princeton Theological Seminary was established to counter perceived secularization at the university.

Revolutionary War Era (1770s–1780s)
Princeton played a crucial role in the American Revolution. It produced three signers of the Declaration of Independence: Richard Stockton and John Witherspoon (for New Jersey) and Joseph Hewes (for North Carolina). In July 1776, the Declaration was read on Nassau Hall's lawn, and the building served as New Jersey's first capitol.
The Battle of Princeton on January 3, 1777, was a turning point. Following victories at the Battles of Trenton, General George Washington led a surprise night march from Trenton to attack British forces under Colonel Charles Mawhood in Princeton. The Americans defeated the British detachment, with fighting ending inside Nassau Hall, where British troops had barricaded themselves. Alexander Hamilton reportedly fired cannons at the building. This victory boosted morale and forced British retreats, freeing much of New Jersey.
Post-battle, Nassau Hall housed British prisoners and later the Continental Congress from June to November 1783, making Princeton the nation's temporary capital. The New Jersey legislature also met there in the summer of 1777.

19th Century Growth and Division (1800s)
The 19th century saw Princeton's expansion tied to its educational institutions. The university rebuilt Nassau Hall after fires in 1802 and 1855. Commodore Robert Field Stockton (1795–1866) influenced development, including transportation improvements. In 1838, the township was incorporated, surrounding the borough (incorporated 1813), creating a divided municipality that lasted until 2013.
Cultural milestones included the founding of the Westminster Choir College (1926, though later) and performing arts venues like The Casino in 1895. Princeton became a stop for notable figures, including U.S. Presidents Grover Cleveland and Woodrow Wilson, the latter serving as university president before his presidency.

20th Century: Intellectual Hub and Modern Developments (1900s–2000s)
The 20th century cemented Princeton's reputation as an intellectual center. In 1930, the Institute for Advanced Study was founded, attracting Albert Einstein as its first faculty member in 1933; he lived there until his death in 1955. Other institutions like the Princeton Plasma Physics Laboratory, Educational Testing Service, and corporate research facilities (e.g., Bristol-Myers Squibb, Siemens) emerged.
The town hosted governors at Morven (1945–1981) and Drumthwacket (from 1982). Notable residents included Paul Robeson, Aaron Burr, and Michael Graves. In 1950, the American Boychoir School relocated to Princeton.

Contemporary Princeton (2010s–Present)
The 2013 merger unified governance, enhancing efficiency. Today, Princeton thrives on education, research, and tourism, with historic sites like Princeton Battlefield State Park, Morven Museum, and the university campus drawing visitors. The economy includes pharmaceuticals, publishing, and tech, with over 50 corporations maintaining research facilities.

 

Geography

Princeton, New Jersey, is a consolidated municipality in Mercer County, situated in central New Jersey within the Piedmont physiographic province. It lies roughly equidistant between New York City and Philadelphia, approximately 50 miles from each major metropolitan area, making it a key suburban hub in the Northeast Corridor. The town is positioned along major transportation routes, including U.S. Route 1 and close to Interstate 95, with nearby cities such as Trenton (the state capital) to the southwest, New Brunswick to the northeast, and Edison further east. Geographically, Princeton encompasses a total area of 18.41 square miles (47.69 km²), of which 17.95 square miles (46.48 km²) is land and 0.47 square miles (1.21 km²) is water, representing about 2.53% of the total area. Its coordinates are approximately 40.3562° N latitude and 74.6693° W longitude. Princeton borders several neighboring municipalities: Hopewell Township, Lawrence Township, and West Windsor in Mercer County; Plainsboro Township and South Brunswick Township in Middlesex County; and Franklin Township and Montgomery Township in Somerset County. Unincorporated communities within or absorbed into the greater Princeton area include Cedar Grove, Port Mercer, Princeton Basin, and Jugtown, each retaining some local identity.

Topography and Elevation
Princeton's topography is characterized by a mix of low-lying areas and gentle ridges, typical of the Piedmont region. The municipality is located just south of Princeton Ridge, a prominent long, curving ridge that forms a natural boundary and influences local landscapes. This positioning in a relatively low-lying basin has historically led to practical issues, such as poor cell phone reception in certain neighborhoods due to the terrain's interference. Elevations vary significantly across the area, ranging from about 80 feet above sea level in the southern portions to up to 400 feet in the north, with the highest points found on Mount Rose, a notable ridge feature. The average elevation for the region is around 148 feet. The landscape includes wooded hills, former farmlands, and open spaces, blending suburban development with rural elements. Surrounding areas feature additional ridges and valleys, contributing to a varied terrain that supports both urban expansion and natural preservation.

Geology
Geologically, Princeton sits within the Piedmont province, part of a broader belt of metamorphic rocks known as the Trenton Prong, which extends northeastward from Pennsylvania into New Jersey. The surficial geology of the Princeton quadrangle includes a diverse array of materials such as wetland deposits, hillslope colluvium, windblown (eolian) sediments, multiple generations of alluvial deposits along river valleys, and weathered bedrock. Bedrock in the area primarily consists of Triassic-age formations, including the Lockatong Formation, which features cyclic lacustrine (lake-deposited) sediments from ancient rift basins. These deposits are arranged in asymmetrical "detrital" and "chemical" cycles, reflecting periodic expansions and contractions of ancient lakes due to climatic variations. Notable finds in nearby Triassic rocks include dinosaur footprints, worm tubes, fossil fish, and castings, particularly around Princeton. The region also contains fossiliferous pebbles in the "Pensauken gravel," derived from Paleozoic sources, indicating complex sediment transport histories. Overall, New Jersey's geology in this area reflects a transition from sedimentary rocks in the Piedmont to more unconsolidated Cretaceous sediments in the adjacent Coastal Plain.

Hydrography and Bodies of Water
Princeton's hydrography is defined by several key bodies of water that contribute to its scenic and ecological character. The most prominent is Lake Carnegie, a 244-acre man-made reservoir created in 1906 by damming the Millstone River at its confluence with Stony Brook. Owned by Princeton University, it serves as a vital resource for rowing, recreation, and wildlife, bordering the southern edge of the campus. The Millstone River, a major waterway, flows through the area and feeds into Lake Carnegie, offering a "backyard wilderness" with rich history and diverse ecology, including hidden brooks that run underground through parts of town. Stony Brook, a tributary, adds to the network, supporting wetlands and alluvial deposits. Other nearby natural features include Mountain Lakes in the Billy Johnson Mountain Lakes Nature Preserve, a series of small ponds within a 75-acre wooded tract with over 8 miles of trails. Colonial Lake and other smaller lakes in surrounding parks provide additional aquatic habitats. These waters support fishing (e.g., trout-stocked areas), boating, and biodiversity, though some are spring-fed swimming holes in more rural spots.

Climate
Princeton experiences a humid continental climate (Köppen classification: Dfa), with hot, humid summers and cold, snowy winters. Temperatures typically range from an average low of 24°F (-4°C) in January to a high of 86°F (30°C) in July, with extremes occasionally dipping below 11°F (-12°C) or exceeding 94°F (34°C). Annual precipitation averages 45-49 inches (1,143-1,245 mm), distributed fairly evenly throughout the year, though summers are wetter. Snowfall occurs in winter, with variable amounts, and the area sees partial cloud cover year-round. The best period for outdoor activities is late May to early October, with September, June, and August being the most pleasant months. Climate variability includes frequent rain and distinct seasons, influenced by its mid-Atlantic location.

Vegetation, Land Use, and Environmental Aspects
Princeton's vegetation reflects a transition between urban landscaping and preserved natural habitats, with a focus on native species restoration amid challenges from invasives and overabundant deer. Native trees and shrubs include red maple, white oak, American hornbeam, tulip poplar, blackgum, sweet pepperbush, and nannyberry, often featured in community projects like microforests (e.g., the first at Quarry Park, using Miyawaki methods for rapid growth). Efforts include native meadows, corridors, and forest restoration at sites like Elm Drive Woods and the 18-acre Billy Johnson Mountain Lakes Nature Preserve, combating invasives such as multiflora rose, Japanese honeysuckle, and stiltgrass. These initiatives support biodiversity, including over 150 bird species, pollinators, and mammals, while deer exclosures protect regeneration. Land use is a blend of residential neighborhoods, institutional grounds (e.g., Princeton University owning significant tracts), parks, and remnant farmlands. Environmental priorities align with Princeton's Climate Action Plan, emphasizing tree canopy protection (via the Community Forestry Management Plan), habitat regeneration, and sustainability to combat rising heat and forest degradation. Preserves like Institute Woods and the Delaware and Raritan Canal State Park offer extensive trails for engagement with nature.

 

Politics

City administration
The first female mayor of reunited Princeton is Democrat Liz Lempert.

town twinning
Princeton has partnerships with France's Colmar, Italy's Pettoranello del Molise and India's Kalianpur.

 

Economy and Infrastructure

educational institutions
The renowned Princeton University has been based in Princeton since 1756; it was founded in Elizabeth in 1746 as the College of New Jersey (until 1896). The Institute for Advanced Study, where Albert Einstein worked, is also based in Princeton. Other colleges in Princeton include Westminster Choir College (Rider University) and Princeton Theological Seminary. Princeton is also home to one of New Jersey's most renowned theaters, the McCarter Theatre.

Established businesses
Although Princeton is best known for its university, a number of well-known business and industrial companies are also based there. Examples include Opinion Research Corporation, Siemens Corporate Research, Bristol-Myers Squibb, Sarnoff Corporation, FMC Corporation, The Robert Wood Johnson Foundation , Amrep, Church & Dwight, Berlitz Corporation and Dow Jones & Company have their headquarters or significant offices in Princeton. In neighboring Lawrenceville there is also a BASF agricultural research facility. German companies are also increasingly settling in Princeton. They are looked after by the Princeton Institute, which has set up its own department for this purpose.

 

Traffic

In the north of Princeton there is a privately operated airport, Princeton Airport (FAA identifier: 39N), which also has a rental car agency, two charter companies and two flight schools - one only for helicopters - are located. The airport serves private air traffic.

 

Princeton Cemetery

Established in 1757, Princeton Cemetery is the final resting place of a number of notable figures, most notably scholars from Princeton University. Among other things, there are the graves of

Aaron Burr (1756–1836), 3rd Vice President of the United States (under Thomas Jefferson); killed Alexander Hamilton in a duel
Kurt Gödel (1906–1978), Austrian-American mathematician, logician, and philosopher
Arnold Henri Guyot (1807–1884), Swiss-American naturalist and geographer
Donald Lambert (1904–1962), American jazz pianist
Solomon Lefschetz (1884–1972), American mathematician
Lyman Spitzer (1914–1997), American astrophysicist
William Milligan Sloane (1850–1928), American philologist and historian
John von Neumann (1903-1957), Hungarian-born mathematician, physicist and computer scientist
Eugene Paul Wigner (1902–1995), Hungarian-American physicist

 

Shopping

The main shopping street is Nassau Street with a few boutiques pp. that appeal to conservative, sophisticated tastes.

1 Wawa, 152, Alexander Street (opposite the train station). Phone: (609) 924-2845. Supermarket with an impressive selection of potato chips, sandwiches, beverages, junk food, ice cream, coffee and two alibi shelves for greens and fresh fruit. Institution in Princeton, an undetermined number of university degrees would have failed if Wawa had not secured supplies during the hot phase of exam preparation at half past two in the night. Open: 24 hours a day.
2 Princeton University Store, 36 University Pl, Princeton, NJ 08540. Tel: +1 609-921-8500. Student-run store that stocks everything students need from notepads to shaving cream, as well as university merchandise. Another store on Nassau Street. Open: daily 0800 - 0400.