Lodi is a borough in Bergen County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 24,136, reflecting an increase of 165 from the 23,971 counted in the 2000 Census, which had in turn increased by 1,616 from the 22,355 counted in the 1990 Census.Lodi owes its name to the Italian city of Lodi, Lombardy. It was incorporated as a borough on December 22, 1894, from portions of the now-defunct municipalities of Lodi Township and Saddle River Township, at the height of Bergen County's "Boroughitis" phenomenon then sweeping through Bergen County, based on the results of a referendum held on the previous day.