What party was urban workers in Mid Atlantic states from?

Urban workers in the Mid-Atlantic states were primarily associated with the Democratic Party, especially during the late 19th and early 20th centuries. This alignment was largely due to the party's support for labor rights, social reforms, and immigrant communities, which were prevalent in urban areas. The Democratic Party's platform resonated with the needs and aspirations of these workers, who sought better wages, working conditions, and political representation.