Millbrook is a city in Autauga and Elmore counties in the State of Alabama. The population was 14,640 at the 2010 census. It is part of the Montgomery Metropolitan Statistical Area.
Millbrook is located at 32°30′07″N 86°22′28″W (32.502054, -86.374456).
According to the United States Census Bureau, the city has a total area of 13.1 square miles (34 km2), of which 12.8 square miles (33 km2) is land and 0.3 square miles (0.78 km2) (1.75%) is water.
Millbrook includes the former village of Robinson Springs within its boundaries. Numerous eras delineate Millbrook's past.
The area's first permanent home "Ellerslie" was completed in 1818 by Georgia Congressman, and Revolutionary War Veteran Bolling Hall. The area's second permanent home "Thornfield" was started the following year, and completed in 1820 by pioneer Archibald McKeithen. Both homes still stand, and are private residences.
After its initial settlement, Robinson Springs was known as an early summer resort for wealthy families of Montgomery, and the vicinity.