Union Population 2026

Union has a population of 56,771, making it the #741 biggest city in 🇺🇸 United States, located in New Jersey. It is about 155× smaller than New York City, the country's biggest city.

Location of Union (capital Washington shown for reference). Boundaries: Natural Earth.

Population (city proper)

56,771

Rank in United States

#741

Coordinates

40.70°N, 74.26°W

~30 m elevation · America/New_York

Distance to capital (Washington)

310 km

193 miles, straight line

Other big cities in New Jersey

City	Population	Rank in United States
Newark	281,944	#73
Jersey City	264,290	#78
Paterson	147,754	#188
Elizabeth	129,007	#224
Edison	102,548	#314
Trenton	89,620	#380
Toms River	88,791	#382
Clifton	86,334	#412

Cities near Union

Irvington61,323 people · ~5 km away
Elizabeth129,007 people · ~6 km away
Westfield30,548 people · ~8 km away
Linden42,021 people · ~9 km away
Newark281,944 people · ~9 km away
East Orange64,949 people · ~9 km away

FAQ

What is the population of Union?

Union has a population of 56,771 (city proper, latest official figure via GeoNames), making it the #741 biggest city in United States.

What state is Union in?

Union is located in New Jersey, United States.

Is Union the capital of United States?

No, the capital of United States is Washington D.C., about 310 km away.

Sources & notes

Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.

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