Hamlin, South Dakota, is a small county located in the east-central part of the state. It was established in 1873 and is named after Hannibal Hamlin, who served as Vice President under Abraham Lincoln. The county seat is Hayti, which is also the largest town in the area. The region is primarily rural, with agriculture playing a significant role in the local economy. Hamlin County is known for its scenic landscapes, including lakes and rolling hills, making it a peaceful place for residents and visitors alike. The population is small, fostering a close-knit community atmosphere.