Roselle's
Daily Encourager

Roselle is a borough located in Union County in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 22,695, an increase of 1,610 (+7.6%) from the 2010 census count of 21,085, which in turn reflected a decline of 189 (−0.9%) from the 21,274 counted in the 2000 census. The Population Estimates Program calculated a population of 22,342 in 2023, a decrease of 353 (−1.6%).