Reedsburg is a city in Sauk County, Wisconsin, United States within the Baraboo micropolitan area. Its population in 2020 was 9,984. The city is surrounded by the Town of Reedsburg and is situated along the Baraboo River. Prior to the arrival of non-indigenous people in the 19th century, the region was home to groups of Ho-Chunk. Established as a village in 1868, the community was named after early settler David C. Reed.