BrentwoodΒ is a large affluent community to the south of Nashville. Part of the city resides in Davidson County in the vicinity of Old Hickory Boulevard and Interstate 65, but the majority of the city is located just south of Old Hickory Blvd inside the Williamson County limits. Brentwood is noted for being Tennessee’s best educated city with nearly 70% of the population over 25 years of age holding a bachelor’s degree or higher.