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is a borough in Union County, New Jersey, United States. As of the United States 2000 Census, the borough population was 7,174.
Fanwood was incorporated as a borough by an Act of the New Jersey Legislature on October 2, 1895, from portions of Fanwood Township (now known as Scotch Plains), based on the results of a referendum held the previous day.
The borough is bordered by Plainfield in the southwest and by Scotch Plains in all other directions.
According to the United States Census Bureau, the borough has a total area of 1.3 square miles (3.5 km