Unattended Death and Biohazard Cleanup in Union City, NJ

Union City is a city in northern Hudson County, New Jersey, incorporated on June 1, 1925, through the merger of Union Hill and West Hoboken Township — a union its name commemorates.

The 2020 census counted 68,589 residents in Union City, making it New Jersey's 18th-most-populous municipality, up 3.2% from 66,455 in 2010.

In the 2010 census, Union City was the most densely populated city in the United States with more than 50,000 residents, at roughly 54,138 people per square mile.

German, Swiss and Austrian immigrants brought European lace-making skills to the city, and its Schiffli embroidery machines made Union City the nation's embroidery capital.

Union City is nicknamed the "Embroidery Capital of the United States," and Embroidery Square was dedicated at New York Avenue in May 2014 to honor that heritage.

The city is also known as "Havana on the Hudson" for its large Cuban American community.

The first Cubans arrived in Union City in the late 1940s to work in the embroidery factories, many of them from Villa Clara Province, and for years the city had the largest Cuban population in the United States after Miami.

Mallomars, the chocolate-covered marshmallow cookies, were first sold in Union City.

Union City was the site of the first lunch wagon, built by Jerry and Daniel O'Mahoney and John Hanf, an invention that helped spark New Jersey's diner-manufacturing golden age.

Union City hosts the nation's longest-running passion play, which draws thousands of visitors each year.