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Country :
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United States
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State :
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New Jersey
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County :
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Bergen
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Incorporated :
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March 25, 1898 as TownshipApril 24, 1923 as Borough
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• Type :
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Borough
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• Body :
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Borough Council
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• Mayor :
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John J. Ruocco (R, term ends December 31, 2023)[3][4]
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• Administrator :
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Christopher J. Tietjen[5]
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• Municipal clerk :
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Denise Kohan[5]
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• Total :
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10,219
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• Land :
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2.90 sq mi (7.52 km2)
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• Water :
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0.04 sq mi (0.09 km2) 1.19%
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Area rank :
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336th of 565 in state27th of 70 in county[1]
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Elevation[7] :
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62 ft (19 m)
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• Estimate (2019)[11] :
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10,307
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• Rank :
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240th of 566 in state36th of 70 in county[12]
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• Density :
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3,464.8/sq mi (1,337.8/km2)
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• Density rank :
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184th of 566 in state38th of 70 in county[12]
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Time zone :
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UTC−05:00 (Eastern (EST))
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• Summer (DST) :
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UTC−04:00 (Eastern (EDT))
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ZIP Code :
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07642[13][14]
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Area code(s) :
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201[15]
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FIPS code :
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3400331920[1][16][17]
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GNIS feature ID :
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0885255[1][18]
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Website :
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www.hillsdalenj.org
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