"Township of Hillside"@en . "908and973" . . "1913-04-29Z"^^ . . "07205" . "7.12247e+06"^^ . "28489.9"^^ . "Clerk"@en . . "Mayor"@en . . . "0.39"^^ . "28000.0"^^ . . "3005.42"^^ . "121"^^ . . "7.122e+06"^^ . "-4" . "17.0688"^^ . . "-5" . "Hillside is a township in Union County, New Jersey, United States. As of the 2010 United States Census, the township's population was 21,404, reflecting a decline of 343 (-1.6%) from the 21,747 counted in the 2000 Census, which had in turn increased by 703 (+3.3%) from the 21,044 counted in the 1990 Census.Hillside was incorporated as a township on April 3, 1913, from portions of Union Township, based on the results of a referendum held on April 29, 1913."@en . "Hillside, New Jersey"@en . "7.15096e+06"^^ . "21404"^^ . "7.15e+06"^^ . . "10"^^ .