Nassau County » Callahan
Place » City
| Callahan | |
| Callahan is a town in Nassau County, Florida, bordering Duval County. Its population is 1,972 according to the 2020 census, up from 1,123 according to the 2010 census. The town's main industries are forestry and agriculture. It is also home to one of the largest sawdust production plants in the country. | |
