This county was formed in 1818, and named in honor of Governor Wm. G. Blount, of Tennessee. It is noted for the abundance of its minerals, the diversity of its soils, the variety of its productions, and mineral waters. In its progress, it is keeping pace with the surrounding counties, and is ranked among the best in the State. Its area is 700 square miles.
Jefferson county is located in the north-central portion of the state, on the southernmost edge of the Appalachian Mountains. It is in the center of the (former) iron, coal, and limestone mining belt of the Southern United States.
Jefferson County is the most populous county in the state of Alabama. As of the 2010 census, its population was 658,466. Its county seat is Birmingham, which is the most populous city in the state.
If you’re looking to cool off from the sweltering summer temperatures or warm up during those cold winter months, the underground wonder maintains a constant 58-62 degree temperature year round as you travel 175 feet beneath the earth. Visit year round to experience the wonder of Rickwood Caverns Cave Tours.