12 New Jersey Nicknames Worth Knowing

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New Jersey was one of the original 13 colonies, the third state to ratify the Constitution, and a key battleground during the War of Independence. It also has more diners per capita than anywhere else in the country and grows millions of pounds of tomatoes each year.

That range shows up in the state's nicknames. These 12 New Jersey nicknames say more about the place than most people expect. Keep reading to find out what each name means.

12 Nicknames for New Jersey

The Clam State

A funny name, but an earned one. New Jersey is one of the world's leading suppliers of surf clams and ocean quahogs, a type of hard-shell clam harvested from the Atlantic Ocean and the brackish waters of Delaware Bay. The state's coastal waters provide ideal conditions for clam populations to thrive.

Nobody knows exactly when this nickname first appeared, and it remains one of the less common monikers for the state. Still, variations of the name might show up on souvenirs near the coast and occasionally at seafood restaurants along the shore.

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The Medicine Chest of the World

Not many people know that New Jersey has long been called the "Medicine Chest of the World." The nickname gained traction in the mid-20th century, though its roots go back further.

When Johnson & Johnson set up in New Brunswick in 1886, and Merck established its Rahway campus in 1891, they helped build what became the world's densest concentration of pharmaceutical companies. The state's location between New York City and Philadelphia made it an attractive base for the industry.

Today, this moniker is mostly used among people in the medical and pharmaceutical industries. New Jersey remains home to a significant concentration of drug manufacturers and biotech firms.

The Crossroads of the American Revolution

Perhaps the most historically significant of all the state's monikers, this title reflects New Jersey's central role in the War of Independence. With British forces based in New York and Patriot forces headquartered in Philadelphia, New Jersey sat directly between the two, making it a constant corridor of military movement.

More military action took place on New Jersey soil than in any other colony. This nickname appears regularly in historical texts about the Revolution. It is also written on souvenirs around patriotic holidays, such as Independence Day and National New Jersey Day, which is observed on July 27.

The Mosquito State

"Mosquito State" is one of the less endearing New Jersey names, but it has a history behind it. In the 1880s, New Jersey noticed an increase in mosquitoes coming from the state's marshlands. As these wetlands were developed into cities like Atlantic City, more and more people came into contact with the insects, and the nickname stuck.

By 1957, the state had lost the title after successfully reducing mosquito populations through research and pest control efforts. Since it wasn't a complimentary name to begin with, it never appeared in official tourism literature. However, you might find the nickname on novelty items and humorous souvenirs here and there.

The Switzerland of America

Several US states have been called the "Switzerland of America" over the years, and New Jersey is one of them. The nickname was inspired by the state's natural landscape, which features forests and mountainous terrain in the north.

Because the name is shared with places such as Colorado, Maine, and New Hampshire, it has never been adopted in any official tourism materials.

It does occasionally surface in promotional material for mountain resorts, but for the most part, it is a nickname that lives in conversation and the occasional article about the state.

The Armpit of America

Nobody is entirely sure how New Jersey acquired this unflattering title, but some residents have surprisingly embraced it.

The most common explanation points to the state's shape, which loosely resembles the crook of an arm. Less generous interpretations cite the odors from oil refineries and factories in the northern industrial corridor.

The nickname attracted national attention in 2014 when Dove planned a billboard reading, "Dear New Jersey, when people call you "The Armpit of America," take it as a compliment."

The ad was pulled before it ever went up after residents pushed back online. Despite the lack of any official endorsement, the name shows up in articles and on novelty merchandise.

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The Diner Capital of the World

With an estimated 450 to 500 diners still operating within its borders, New Jersey has more diners than any other state. While no one is entirely certain why so many diners opened up here, a few theories stand out.

One of the most widely cited reasons is the state's population. New Jersey has a proud working-class history, with many residents commuting long distances and needing affordable, accessible meals during breaks.

The state was also home to several major diner manufacturers during the 20th century, including Jerry O'Mahony in Elizabeth, which built more than 2,000 prefabricated diners and helped make New Jersey a production hub for the industry.

Locals have fully embraced the title. You can find it referenced in articles about the state, on diner menus, and on souvenir items.

The Camden & Amboy State

Few people recognize this name today, but it dates back to the 1830s, when the Camden and Amboy Railroad began operating across the state.

Incorporated in 1830 and running its first trains by 1832, the railroad connected Bordentown on the Delaware River to South Amboy on the Raritan Bay, becoming one of the earliest in North America.

The railroad companies that controlled these routes held enormous political and economic power in the state, which is how the nickname came about. With rail travel long past its peak, this one survives almost entirely in 19th-century history books.

The Exit State

Ask a New Jerseyan where they live, and there is a good chance they will answer with a number. That is because residents often define their location by which exit they use on the Garden State Parkway, the highway that runs the length of the state.

For many locals, exit numbers are a more natural reference point than town names or county lines. The habit became so well known that it earned New Jersey the unofficial nickname of the "Exit State."

More recently, the name has taken on a second meaning, referring to the large number of residents leaving the state for other parts of the country.

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The Pizza Capital of the World

New Jersey might not be the first state that comes to mind when people think of pizza, but it probably should be. The state consistently ranks among the best in the country for pizza quality and is home to many independent pizzerias from north to south.

In February 2020, even the state's official government Twitter account declared New Jersey the "Pizza Capital of the World" ahead of National Pizza Day, setting off a lighthearted argument with New York and other states. The label turns up regularly in food writing and on signage at local shops.

The Innovation State

New Jersey has a long history of groundbreaking inventions, which earned it the nickname "Innovation State." Much of that reputation traces back to Thomas Edison, who held 1,093 patents and built his famous laboratory in Menlo Park, New Jersey. Edison's work on the phonograph and the light bulb helped establish the state as a hub for research and development.

That legacy continued into the pharmaceutical industry. New Jersey is home to labs and manufacturing sites for many of the country's largest drug companies. The state also has several research universities that contribute to ongoing scientific research, particularly in the life sciences.

The Garden State

No nickname is more closely tied to New Jersey than the "Garden State." The name is traditionally credited to Abraham Browning of Camden, a former state attorney general, who reportedly used it during a speech at the Philadelphia Centennial Exhibition on August 24, 1876. At the time, farming dominated the state's economy, and the label fit.

The phrase circulated informally for decades before it became official. In 1954, the state legislature passed a law requiring it on all license plates. Governor Robert Meyner vetoed the bill, but lawmakers overrode him.

Alongside license plates, the moniker has also appeared on government documents, tourism guides, and merchandise.

In Summary

New Jersey's nicknames cover a lot of ground, from colonial history to tomato harvests to the eternal question of which exit you take off the Parkway.

They reflect a state that played an outsized role in the country's founding, built major industries, and manufactured everything from pharmaceuticals to prefabricated diners. Not every name is flattering, but that has never stopped anyone from using them.

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