Middlesex, New Jersey Map and Directory

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Middlesex County, New Jersey locator map

According to the United States Census Bureau, Middlesex is a Borough that is located in Middlesex County, New Jersey at 40.57 degrees North and 74.49 degrees West. The borough's time zone is America/New York, and the borough's primary telephone area code is 848. The land area of Middlesex is about 3.52 square miles, whereas the water area of the borough is about 0.02 square miles. Middlesex County's land area is about 309 square miles, so the borough occupies about 1.1 percent of the county's total land area.

The Census Bureau estimates that Middlesex had about 13,679 residents in 2019, which is approximately 3,886 people per square mile of land area.

According to recent American Community Survey data, the median household income in Middlesex was about $75,460 per year.

The New Jersey counties map at upper right shows Middlesex County, highlighted in red. Use the menu below to display interactive maps of Middlesex, either in a frame on this page or in full-screen mode.

Use the menu below to display categorized Middlesex directories.