Donalsonville, the county seat for Seminole County, was incorporated December 8, 1897. The city was named for Jonathan E. Donalson, a member of a prominent family who had pioneered Decatur County.

Seminole State Park, located 16 miles south of Donalsonville, offers picnic sites, a swimming beach, camping, cottages, and fishing docks to its visitors. The Jim Woodruff Lock and Dam creates the lake and 500-mile-long shoreline of Lake Seminole. Lake Seminole is one of the most highly regarded fishing lakes in North America.