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South Plainfield

borough in Middlesex County, New Jersey

Key facts

Country: United States
State: New Jersey
County: Middlesex
Incorporated: April 6, 1926
Type: Borough
Body: Borough Council
Mayor: Matthew P. Anesh ( R , term ends December 31, 2026)
Administrator: Glenn Cullen
Municipal clerk: Amy L. Antonides
Total: 8.33 sq mi (21.58 km )
Land: 8.30 sq mi (21.49 km )
Water: 0.035 sq mi (0.09 km ) 0.42%
Rank: 228th of 565 in state, 12th of 25 in county
Elevation: 82 ft (25 m)
Estimate 2023: 24,131
Density: 2,933.7/sq mi (1,132.7/km )
Time zone: UTC−05:00 ( Eastern (EST) )
Summer dst: UTC−04:00 ( Eastern (EDT) )

via Wikipedia infobox

Article

South Plainfield is a borough in northern Middlesex County, in the U.S. state of New Jersey. The borough is situated on the border with Union County in the Raritan Valley region, within the New York metropolitan area. As of the 2020 United States census, the borough's population was 24,338, its highest decennial count ever and an increase of 953 (+4.1%) from the 23,385 recorded at the 2010 census, which in turn reflected an increase of 1,575 (+7.2%) from the 21,810 counted in the 2000 census.

South Plainfield was incorporated by an act of the New Jersey Legislature on March 12, 1926, from portions of Piscataway, based on the results of a referendum passed on April 6, 1926. The borough's name derives from Plainfield, which derived its name from a local estate or from its scenic location.