Alabaster is a city and southern suburb of Birmingham in Shelby County, Alabama, United States. At the 2010 census, the population was 30,352. According to the 2019 Census Estimates, the city had a population of 33,487. Alabaster is the 16th largest city in Alabama by number of residents.
Alabaster is located at 33°13′52″N 86°49′26″W (33.231162, −86.823829).
Alabaster mostly occupies the Cahaba and Opossum Valleys, which are divided by the Pine Ridge that runs north to south. To the east and west, both valleys are flanked by parallel mountain ridges that locally run north to south, but are a part of a larger system of ridges that generally runs north-east to south-west (the tailing ends of the Appalachian foothills). The valleys are drained by small creeks (Buck Creek, Beaverdam Creek) which flow into the Cahaba River.
Access to the city from major highways is found from U.S. Route 31, which runs through the city, and via I-65 exit 238. Downtown Birmingham is 23 mi (37 km) north, and Montgomery is 69 mi (111 km) south, both via US-31 or I-65.
According to the U.S. Census Bureau, the city has a total area of 20.6 square miles (53 km2), of which 20.5 square miles (53 km2) is land and 0.1 square miles (0.26 km2) (0.24%) is water.
George L. Scott, Sr., an Alabaster pioneer, owned and operated Alabaster Lime Co., which mined this mineral. His shipping point was known as “Scott Rock.” Later, worker housing was built to accommodate some of the mine employees.