The remaining Wilkinson and Bleckley County portions are not part of any metropolitan or micropolitan area.

Allentown was named in 1891 when the Macon, Dublin & Savannah Railroad was extended to that point.

Interstate 16 passes through the south end of the city, with access from Exit 32 (State Route 112).

State Route 112 passes through the center of Allentown as Balls Ferry Road, leading northeast 10 miles (16 km) to U.S. Route 441 at Nicklesville and southwest 18 miles (29 km) to Cochran.

[7] The north side of Allentown drains to Devils Branch, a tributary of Turkey Creek and part of the Oconee River watershed.