Dumont is a borough in Bergen County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 17,479, reflecting a decrease of 24 from the 17,503 counted in the 2000 Census, which had in turn increased by 316 from the 17,187 counted in the 1990 Census.The borough was originally formed on July 20, 1894, as the Borough of Schraalenburgh from portions of Harrington Township and Palisades Township, based on the results of a referendum held the previous day. The borough was formed during the "Boroughitis" phenomenon then sweeping through Bergen County, in which 26 boroughs were formed in the county in 1894 alone. On March 7, 1898, portions of the borough were annexed to Palisades Township. On June 13, 1898, the borough's name was changed to Dumont in honor of Dumont Clarke, the borough's first mayor.