Biohazard Cleanup Near West Middlesex Middlesex, NJ

Middlesex is a borough in Middlesex County, New Jersey, located within the Raritan Valley region.

Middlesex was incorporated as a borough by an act of the New Jersey Legislature on April 9, 1913, from portions of Piscataway, based on the results of a referendum held on May 6, 1913.

The borough was named after Middlesex, England.

George Harris was elected as Middlesex's first mayor when the borough was formed in 1913.

The 2020 census counted 14,636 residents in Middlesex — the borough's highest decennial count ever — up 7.3% from 13,635 in 2010.

Middlesex covers about 3.51 square miles in total, of which about 3.49 square miles is land.

The borough's Harris Lane School was a one-room schoolhouse built in the 1790s that was the oldest school in Middlesex County.

Before Middlesex became a borough, its Lincoln section had organized a volunteer fire company in 1905.

Our Lady of Mount Virgin School, built in 1954, was the borough's first parochial school.

Middlesex borders Bound Brook, Bridgewater Township, Green Brook Township and South Bound Brook in Somerset County, and Dunellen and Piscataway Township in Middlesex County.