1 day ago · Baltimore [a] is the most populous city in the U.S. state of Maryland.With a population of 585,708 at the 2020 census, it is the 30th-most populous US city. [15] Baltimore was designated as an independent city by the Constitution of Maryland [b] in 1851. It is the most populous independent city in the nation. As of 2020, the population of the Baltimore …