Callahan is a town in Nassau County, Florida, United States, located along US Highway 1 and the CSX Transportation rail line. The town was established in the late 1800s and incorporated in 1925. Callahan is known for its annual Spring Festival and the Nassau County Fair, which takes place at the Olustee Park and Fairgrounds, a notable landmark in the town. The town's economy is largely based on agriculture, particularly peanuts, cotton, and tobacco.
Dollar General takes the top spot among Dollar Stores and Deep Discount Stores in Callahan, Florida with 2 locations as of April 12, 2024.