Paterson ( PAT-ər-sən) is the largest city in and the county seat of Passaic County, in the U.S. state of New Jersey. As of the 2020 United States census, Paterson was the state's third-most-populous municipality, with a population of 159,732. an increase of 13,533 (+9.3%) from the 2010 census count of 146,199, which in turn reflected a decline of 3,023 (-2.0%) from the 149,222 counted in the 2000 census. The Census Bureau's Population Estimates Program calculated a population of 156,452 for 2023, making it the 168th-most populous municipality in the nation. A prominent mill town within the New York–New Jersey metropolitan area, Paterson has been known as Silk City for its once-dominant role in silk production during the latter half of 19th century. It has since evolved into a major destination for Hispanic immigrants as well as for immigrants from Turkey, the Arab world, and South Asia. Paterson has the nation's second-largest per capita Muslim population.