Mt. Juliet (also known as Mount Juliet) is a city located in western Wilson County, Tennessee. A suburb of Nashville, it is approximately 17 miles (27 km) east of downtown Nashville. Mt. Juliet is located mostly between two major national east-west routes, Interstate 40 and U.S. Route 70. As of 2010, Mount Juliet has a population of approximately 23,671 people. Mt. Juliet is the largest city in Wilson County, and remains one of the fastest growing places in Tennessee.