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. The township was named for the surrounding hills.The township is split between area codes 908 and 973.
reviews (2)
Because it has all social amenities and/or not too far from the ones that are not available, and of course, it's also age-friendly.
It is a very friendly community