What decade was Scott joplin popular in?

Scott Joplin was most popular during the 1890s and early 1900s, a period when ragtime music gained significant traction in the United States. His compositions, including the famous "Maple Leaf Rag," helped define the genre and contributed to its widespread appeal. Although he continued to compose into the 1910s, his peak popularity was primarily in the late 19th and early 20th centuries.