Collierville is in Shelby County.
Collierville emerged as a dairy town in the early 20th century and Swift and Company opened a cheese plant in 1934 giving Collierville the title of Cheese Making Capital of West Tennessee.
According to the United States Census Bureau, the town has a total area of 24.6 square miles (64 km2), of which 24.5 square miles (63 km2) is land and 0.1 square miles (0.26 km2), or 0.41%, is water.
More inforamation about can be found in this link.
Shelby County
Shelby County is a county in the U.S. state of Tennessee.
Shelby County is the state’s largest county both in terms of geographic area and population.
According to the 2010 census, Shelby County has a population size of 927,644 people (accordint to estimations done on 2017 Shelby population is 936,961).
Shelby County was named after the first governor of Kentucky Isaac Shelby and was organized in 1821.
Shelby County is part of the Memphis metropolitan area.
Shelby County was established by European-American migrants in 1819. The county was part of the lands acquired by the United States government from the Chickasaw as part of the Jackson Purchase of 1818.
More information about the Shelby County can be found in this link.
